WO2022193811A1 - 配对方法和配对系统 - Google Patents

配对方法和配对系统 Download PDF

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Publication number
WO2022193811A1
WO2022193811A1 PCT/CN2022/072016 CN2022072016W WO2022193811A1 WO 2022193811 A1 WO2022193811 A1 WO 2022193811A1 CN 2022072016 W CN2022072016 W CN 2022072016W WO 2022193811 A1 WO2022193811 A1 WO 2022193811A1
Authority
WO
WIPO (PCT)
Prior art keywords
stylus
electronic device
wireless keyboard
coil
pairing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2022/072016
Other languages
English (en)
French (fr)
Other versions
WO2022193811A9 (zh
Inventor
张北航
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honor Device Co Ltd
Original Assignee
Honor Device Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Honor Device Co Ltd filed Critical Honor Device Co Ltd
Priority to EP22770173.7A priority Critical patent/EP4262255B1/en
Priority to US18/273,741 priority patent/US12216839B2/en
Publication of WO2022193811A1 publication Critical patent/WO2022193811A1/zh
Publication of WO2022193811A9 publication Critical patent/WO2022193811A9/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Definitions

  • the embodiments of the present application relate to communication technologies, and in particular, to a pairing method and a pairing system.
  • touch technology With the development of touch technology, more and more electronic devices use touch for human-computer interaction.
  • the user can provide input to the electronic device by touching the touch screen of the electronic device with a finger, and can also provide input to the electronic device by operating the touch screen of the electronic device through a stylus pen, and the electronic device performs corresponding operations based on the user's input.
  • the electronic device can detect the input of the stylus only after the stylus and the electronic device are paired and connected.
  • the stylus and electronic device can be paired and connected based on Bluetooth.
  • the stylus can broadcast a message, and the message includes a media access control (media access control, MAC) address of the stylus, and the electronic device can scan and receive the message through Bluetooth.
  • the electronic device parses the message to obtain the MAC address of the stylus, and then displays a pairing pop-up box to remind the user to pair and connect the electronic device and the stylus.
  • media access control media access control
  • the multiple electronic devices can receive the message broadcasted by the stylus, and all of them can realize the pop-up frame, causing trouble to the user.
  • Embodiments of the present application provide a pairing method and a pairing system, which can prevent other electronic devices around the stylus from displaying a pairing popup when an electronic device and a stylus are paired.
  • an embodiment of the present application provides a pairing method, which is applied to a pairing system.
  • the pairing system includes: a stylus, a wireless keyboard, and an electronic device.
  • the stylus includes a first coil
  • the wireless keyboard includes a first coil. Two coils.
  • the wireless keyboard can charge the stylus through the second coil and the first coil, and in response to the wireless keyboard charging the stylus through the second coil and the first coil, the touch
  • the control pen sends a pairing request to the wireless keyboard through the first coil and the second coil; the wireless keyboard sends the pairing request to the electronic device; the electronic device displays a display based on the pairing request
  • a pairing pop-up box is used to prompt the user to trigger the electronic device and the stylus to pair.
  • the pairing request is used to instruct the electronic device to display a pairing popup, and the pairing request may include the media access control MAC address of the stylus.
  • the pairing request may further include: the model of the stylus, the factory information, and the like.
  • the stylus uses the wireless keyboard as an intermediate device for pairing the electronic device and the stylus, and the wireless keyboard can transmit the pairing request of the stylus to the electronic device in a directional manner, thereby realizing the pop-up frame of the electronic device, and can Avoid pop-ups of other electronic devices around the stylus to improve user experience.
  • the stylus passes through the first coil and the first coil.
  • the second coil sends a pairing request to the wireless keyboard, wherein in response to the wireless keyboard charging the stylus through the second coil and the first coil, the stylus can obtain the connection between the stylus and all
  • the connection state of the electronic device when the stylus is not connected to the electronic device, the stylus sends a pairing request to the wireless keyboard through the first coil and the second coil.
  • the stylus does not send a pairing request to the wireless keyboard.
  • the stylus can intelligently determine whether to send a pairing request to the wireless keyboard based on the connection state with the electronic device, thereby improving the intelligence of the stylus.
  • the stylus can detect the connection state with the electronic device by itself.
  • the electronic device can detect the connection state with the stylus, and then broadcast the connection state; correspondingly, the stylus can receive the connection state from the electronic device.
  • the electronic device can broadcast the connection status through a Bluetooth channel, and the stylus can scan through the Bluetooth to obtain the connection status from the electronic device.
  • the wireless keyboard can charge the stylus through the second coil and the first coil.
  • the wireless keyboard can be based on a wireless protocol, and the second coil and the first coil can be used to charge the stylus.
  • the first coil charges the stylus.
  • the wireless protocol may be the Qi protocol, or a proprietary protocol.
  • the stylus may send a pairing request to the wireless keyboard based on the wireless protocol.
  • the pairing request is included in any data packet in which the touch pen interacts with the wireless keyboard based on the wireless protocol.
  • the wireless keyboard may charge the stylus based on the Qi protocol, and the stylus may send a pairing request to the wireless keyboard based on a proprietary protocol.
  • the wireless keyboard is connected to the electronic device by wireless communication, and the wireless communication connection may be, but not limited to, Bluetooth connection, WIFI connection, and the like.
  • the wireless keyboard can convert the pairing request sent based on the wireless protocol into a pairing request that supports a wireless communication format .
  • the wireless keyboard can parse the pairing request to obtain the MAC address of the stylus; encapsulate the MAC address in a data packet with the format of the wireless communication; The device transmits data packets in the format of the wireless communication.
  • the electronic device receives the pairing request from the wireless keyboard based on the wireless communication connection, and can display the pairing popup.
  • the wireless keyboard includes a third coil
  • the electronic device includes a fourth coil
  • the electronic device charges the wireless keyboard through the fourth coil and the third coil, or the wireless keyboard
  • the electronic device is charged through the third coil and the fourth coil. In this manner, the wireless keyboard sends the pairing request to the electronic device through the third coil and the fourth coil.
  • the wireless keyboard sends the pairing request to the electronic device based on a wireless protocol.
  • the wireless protocol may be the same as or different from the wireless protocol used by the stylus to send the pairing request.
  • the pairing request is included in any data packet that the wireless keyboard interacts with the electronic device based on the wireless protocol.
  • the electronic device receives a pairing request from the wireless keyboard based on the fourth coil, and can detect whether the electronic device has the wireless communication function enabled, because the electronic device needs to be paired and connected to the stylus based on the wireless communication function.
  • the wireless communication function may be a Bluetooth function, a WIFI function, or the like. Wherein, if the electronic device does not have the wireless communication function turned on, a prompt pop-up box may be output, and the prompt pop-up box is used to prompt the user to turn on the wireless communication function of the electronic device. If the wireless communication function is enabled on the electronic device, a pairing popup can be output.
  • an embodiment of the present application provides a pairing method, which is applied to a stylus, where the stylus includes a first coil and a wireless keyboard includes a second coil.
  • the method includes: in response to the wireless keyboard passing the The second coil and the first coil charge the stylus, and the stylus sends a pairing request to the wireless keyboard through the first coil and the second coil.
  • the method before the stylus sends a pairing request to the wireless keyboard through the first coil and the second coil, the method further includes: acquiring, by the stylus, the touch The connection status of the pen with the electronic device.
  • the sending a pairing request to the wireless keyboard includes: in response to the stylus being disconnected from the electronic device, the stylus sends the wireless keyboard to the wireless keyboard through the first coil and the second coil.
  • the keyboard sends a pairing request.
  • acquiring, by the stylus pen, a connection state between the stylus pen and the electronic device includes: the stylus pen detecting the connection state.
  • acquiring, by the stylus, a connection state between the stylus and the electronic device includes: receiving, by the stylus, the connection state broadcast by the electronic device.
  • the sending a pairing request to the wireless keyboard includes: the touch pen sends a pairing request to the wireless keyboard based on the wireless protocol.
  • any data packet in which the stylus interacts with the wireless keyboard based on the wireless protocol includes the pairing request.
  • the pairing request includes a media access control MAC address of the stylus.
  • an embodiment of the present application provides a pairing method, which is applied to a wireless keyboard.
  • the touch pen includes a first coil, and the wireless keyboard includes a second coil.
  • the method includes:
  • the wireless keyboard receives a pairing request from the stylus through the second coil, and sends the pairing request to the electronic device.
  • the wireless keyboard charges the stylus through the second coil and the first coil, including: the wireless keyboard is based on a wireless protocol, and the second coil and the first coil are used to charge the stylus.
  • the first coil charges the stylus; the wireless keyboard receives a pairing request from the stylus through the second coil, including: the stylus receives through the second coil based on the wireless protocol A pairing request from the stylus.
  • any data packet in which the stylus interacts with the wireless keyboard based on the wireless protocol includes the pairing request.
  • the pairing request includes a media access control MAC address of the stylus.
  • the wireless keyboard is connected in wireless communication with the electronic device; before the wireless keyboard sends the pairing request to the electronic device, the method further includes: parsing the pairing request by the wireless keyboard , obtain the MAC address of the stylus; encapsulate the MAC address in a data packet with the wireless communication format; the wireless keyboard sends the pairing request to the electronic device, including: the wireless The keyboard sends data packets in the format of the wireless communication to the electronic device.
  • the wireless keyboard includes a third coil
  • the electronic device includes a fourth coil
  • the electronic device charges the wireless keyboard through the fourth coil and the third coil
  • Sending the pairing request from the wireless keyboard to the electronic device includes: the wireless keyboard sends the pairing request to the electronic device through the third coil and the fourth coil.
  • the sending the pairing request to the electronic device includes: the wireless keyboard sends the pairing request to the electronic device based on a wireless protocol.
  • any data packet that the wireless keyboard interacts with the electronic device based on the wireless protocol includes the pairing request.
  • an embodiment of the present application provides a pairing method, which is applied to an electronic device, and the method includes:
  • the electronic device receives a pairing request from the wireless keyboard; the electronic device displays a pairing pop-up box based on the pairing request, and the pairing pop-up box is used to prompt the user to trigger pairing between the electronic device and the stylus.
  • the electronic device detects the connection state and broadcasts the connection state.
  • the wireless keyboard is connected to the electronic device in wireless communication; the electronic device receiving a pairing request from the wireless keyboard includes: the electronic device receiving data in a format of the wireless communication package, wherein the pairing request is included in the data package.
  • the wireless keyboard includes a third coil
  • the electronic device includes a fourth coil
  • the electronic device charges the wireless keyboard through the fourth coil and the third coil, ;
  • the electronic device receives the pairing request from the wireless keyboard, comprising: the electronic device receives the pairing request from the wireless keyboard through the fourth coil.
  • the pairing request is sent by the wireless keyboard to the electronic device based on a wireless protocol.
  • any data packet that the wireless keyboard interacts with the electronic device based on the wireless protocol includes the pairing request.
  • the method further includes: in response to receiving the pairing request from the wireless keyboard, the electronic device detects whether the electronic device has a wireless communication function enabled; The electronic device outputs a prompt pop-up box, and the prompt pop-up box is used to prompt the user to turn on the wireless communication function of the electronic device.
  • the pairing request includes a media access control MAC address of the stylus.
  • an embodiment of the present application provides a touch pen, including: a processor and a memory; the memory stores computer-executed instructions; the processor executes the computer-executed instructions stored in the memory, so that the processor executes The method of the second aspect.
  • an embodiment of the present application provides a wireless keyboard, comprising: a processor and a memory; the memory stores computer-executed instructions; the processor executes the computer-executed instructions stored in the memory, so that the processor executes the The method described in the third aspect.
  • an embodiment of the present application provides an electronic device, including: a processor and a memory; the memory stores computer-executable instructions; the processor executes the computer-executable instructions stored in the memory, so that the processor executes the following: The method described in the fourth aspect.
  • an embodiment of the present application provides a pairing system, where the pairing system includes the touch pen described in the fifth aspect, the wireless keyboard described in the sixth aspect, and the electronic device described in the seventh aspect.
  • the system The method of the first aspect above may be performed.
  • embodiments of the present application provide a computer program product including instructions, which, when executed on a computer, cause the computer to execute the methods of the second to fourth aspects above.
  • an embodiment of the present application provides a computer-readable storage medium, where instructions are stored in the computer-readable storage medium, and when the computer-readable storage medium runs on a computer, the computer executes the methods of the second to fourth aspects.
  • Embodiments of the present application provide a pairing method and a pairing system.
  • the pairing system includes: a stylus, a wireless keyboard, and an electronic device.
  • the stylus includes a first coil
  • the wireless keyboard includes a second coil.
  • the method includes: responding to a wireless The keyboard charges the stylus through the second coil and the first coil, and the stylus sends a pairing request to the wireless keyboard through the first coil and the second coil; the wireless keyboard sends a pairing request to the electronic device; the electronic device displays a display based on the pairing request Pairing pop-up box, the pairing pop-up box is used to prompt the user to trigger the pairing of the electronic device and the stylus.
  • the stylus uses the wireless keyboard as an intermediate device for pairing the electronic device and the stylus, and the wireless keyboard can transmit the pairing request of the stylus to the electronic device in a directional manner, thereby reaching the pop-up frame of the electronic device and avoiding touching the touch pen.
  • the purpose of the bullet box of other electronic devices around the stylus is to improve the user experience.
  • FIG. 1 is a schematic diagram of a scenario provided by an embodiment of the present application.
  • FIG. 2A is a schematic structural diagram of a touch pen provided by an embodiment of the present application.
  • FIG. 2B is a schematic diagram of a partially disassembled structure of a touch pen provided by an embodiment of the present application.
  • FIG. 3 is a schematic diagram of interaction between a touch pen and an electronic device according to an embodiment of the present application
  • FIG. 4 is a schematic diagram of the assembly of a touch pen and a wireless keyboard according to an embodiment of the present application
  • 5A is a schematic diagram of a stylus provided in an embodiment of the application being accommodated in a storage portion of a wireless keyboard;
  • 5B is a schematic side view of an electronic device, a touch pen, and a wireless keyboard provided by an embodiment of the present application;
  • FIG. 6 is a schematic diagram of a hardware structure of a touch pen provided by an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a hardware structure of an electronic device provided by an embodiment of the present application.
  • FIG. 8 is a schematic diagram of a hardware structure of a wireless keyboard provided by an embodiment of the present application.
  • FIG. 9 is a schematic diagram of a pairing of a stylus pen and an electronic device at present.
  • 10A is a schematic structural diagram of a touch pen and a wireless keyboard provided by an embodiment of the application.
  • FIG. 10B is a schematic structural diagram of a touch pen, a wireless keyboard, and an electronic device according to an embodiment of the application;
  • FIG. 11 is a schematic flowchart of an embodiment of a method for pairing a stylus pen and an electronic device according to an embodiment of the present application
  • FIG. 12 is a schematic diagram of interaction between an electronic device, a stylus pen, and a wireless keyboard provided by an embodiment of the application;
  • FIG. 13 is a schematic diagram of interaction between an electronic device, a touch pen, and a wireless keyboard provided by an embodiment of the application;
  • FIG. 14 is a schematic diagram of an interface of an electronic device provided by an embodiment of the present application.
  • FIG. 15 is another interface schematic diagram of an electronic device provided by an embodiment of the present application.
  • FIG. 1 is a schematic diagram of a scenario to which an embodiment of the present application is applicable.
  • the scene includes a stylus 100 , an electronic device 200 and a wireless keyboard 300 .
  • the electronic device 200 is a tablet computer as an example for description.
  • the stylus 100 and the wireless keyboard 300 may provide input to the electronic device 200 , and the electronic device 200 performs operations in response to the input based on the input of the stylus 100 or the wireless keyboard 300 .
  • a touch area can be set on the wireless keyboard 300 , the touch pen 100 can operate the touch area of the wireless keyboard 300 to provide input to the wireless keyboard 300 , and the wireless keyboard 300 can perform operations in response to the input based on the input of the touch pen 100 .
  • the stylus 100 and the electronic device 200, between the stylus 100 and the wireless keyboard 300, and between the electronic device 200 and the wireless keyboard 300 may be interconnected through a communication network to realize wireless Interaction of signals.
  • the communication network can be, but is not limited to, a WI-FI hotspot network, a WI-FI peer-to-peer (P2P) network, a Bluetooth network, a zigbee network, or a near field communication (NFC) network, etc. Communications network.
  • the stylus 100 can be, but is not limited to, an inductive pen and a capacitive pen.
  • the electronic device 200 has a touch screen 201 .
  • an electromagnetic induction board needs to be integrated on the touch screen 201 of the electronic device 200 that interacts with the touch pen 100 .
  • Coils are distributed on the electromagnetic induction board, and coils are also integrated in the inductive pen. Based on the principle of electromagnetic induction, within the range of the magnetic field generated by the electromagnetic induction board, with the movement of the inductive pen, the inductive pen can store electrical energy.
  • the inductive pen can transmit the accumulated electric energy to the electromagnetic induction board through the coil in the inductive pen through free oscillation.
  • the electromagnetic induction board can scan the coils on the electromagnetic induction board based on the power from the inductive pen to calculate the position of the inductive pen on the touch screen 201 .
  • the touch screen 201 in the electronic device 200 may also be referred to as a touch screen, and the touch pen 201 may be referred to as a stylus.
  • the capacitive stylus may include: passive capacitive stylus and active capacitive stylus.
  • Passive capacitive pens can be called passive capacitive pens
  • active capacitive pens can be called active capacitive pens.
  • One or more electrodes may be provided in the active capacitive pen (eg, in the tip of the pen), and the active capacitive pen may transmit signals through the electrodes.
  • the stylus 100 is an active capacitive pen
  • an integrated electrode array is required on the touch screen 201 of the electronic device 200 that interacts with the stylus 100 .
  • the electrode array may be a capacitive electrode array.
  • the electronic device 200 can receive the signal from the active capacitive pen through the electrode array, and then, when receiving the signal, recognize the position of the active capacitive pen on the touch screen based on the change of the capacitance value on the touch screen 201, and the active capacitive pen. tilt angle of the capacitive pen.
  • FIG. 2A is a schematic structural diagram of a touch pen according to an embodiment of the present application.
  • the stylus 100 may include a tip 10 , a barrel 20 and a back cover 30 .
  • the inside of the pen holder 20 is a hollow structure.
  • the pen tip 10 and the back cover 30 are located at two ends of the pen holder 20 respectively.
  • the back cover 30 and the pen holder 20 can be plugged or snapped together. See the description for Figure 2B.
  • FIG. 2B is a schematic diagram of a partially disassembled structure of the touch pen according to an embodiment of the present application.
  • the stylus 100 further includes a main shaft assembly 50 , the main shaft assembly 50 is located in the pen holder 20 , and the main shaft assembly 50 is slidably arranged in the pen holder 20 .
  • the main shaft assembly 50 has an external thread 51
  • the pen tip 10 includes a writing end 11 and a connecting end 12
  • the connecting end 12 of the pen tip 10 has an internal thread (not shown) matched with the external thread 51 .
  • the connecting end 12 of the pen tip 10 When the main shaft assembly 50 is assembled into the pen barrel 20 , the connecting end 12 of the pen tip 10 extends into the pen barrel 20 and is threadedly connected with the external thread 51 of the main shaft assembly 50 .
  • the connection between the connecting end 12 of the pen tip 10 and the spindle assembly 50 may also be detachably connected by snapping or the like.
  • the connection end 12 of the pen nib 10 is detachably connected with the spindle assembly 50, so that the replacement of the nib 10 is realized.
  • the main shaft assembly 50 is provided with a pressure sensing assembly 60 , a part of the pressure sensing assembly 60 is fixedly connected with the fixed structure in the pen barrel 20 , and a part of the pressure sensing assembly 60 is connected with the main shaft assembly 50 Fixed connection.
  • the circuit board 70 can detect the pressure of the writing end 11 of the pen tip 10 according to the deformation of the pressure-sensitive component 60 , thereby The line thickness of the writing end 11 is controlled according to the pressure of the writing end 11 of the pen tip 10 .
  • the pressure detection of the pen tip 10 includes but is not limited to the above methods.
  • the pressure of the pen tip 10 can be detected by the pressure sensor.
  • the stylus 100 further includes a plurality of electrodes, and the plurality of electrodes may be, for example, a first emission electrode 41 , a ground electrode 43 and a second emission electrode 42 .
  • the first emitter electrode 41 , the ground electrode 43 and the second emitter electrode 42 are all electrically connected to the circuit board 70 .
  • the first emitter electrode 41 may be located within the pen tip 10 and close to the writing end 11, and the circuit board 70 may be configured as a control board that can provide signals to the first emitter electrode 41 and the second emitter electrode 42, respectively.
  • the first emitter electrode 41 is used for To transmit the first signal, when the first transmitting electrode 41 is close to the touch screen 201 of the electronic device 200, a coupling capacitance can be formed between the first transmitting electrode 41 and the touch screen 201 of the electronic device 200, so that the electronic device 200 can receive first signal.
  • the second transmitting electrode 42 is used for transmitting a second signal, and the electronic device 200 can determine the tilt angle of the stylus 100 according to the received second signal.
  • the second emitter electrode 42 may be located on the inner wall of the pen holder 20 . In one example, the second emitter electrode 42 may also be located on the spindle assembly 50 .
  • the ground electrode 43 may be located between the first emitter electrode 41 and the second emitter electrode 42, or the ground electrode 43 may be located around the outer periphery of the first emitter electrode 41 and the second emitter electrode 42, and the ground electrode 43 is used to reduce the first emitter electrode 43.
  • the electrode 41 and the second emitter electrode 42 are coupled to each other.
  • the electronic device 200 When the electronic device 200 receives the first signal from the touch pen 100 , the capacitance value at the corresponding position of the touch screen 201 will change. Accordingly, the electronic device 200 can determine the position of the stylus 100 (or the tip of the stylus 100 ) on the touch screen 201 based on the change of the capacitance value on the touch screen 201 . In addition, the electronic device 200 may acquire the inclination angle of the stylus 100 by using the double-tip projection method in the inclination angle detection algorithm. The positions of the first transmitting electrode 41 and the second transmitting electrode 42 in the stylus 100 are different. Therefore, when the electronic device 200 receives the first signal and the second signal from the stylus 100, two signals on the touch screen 201 The capacitance value at each location will change.
  • the electronic device 200 can obtain the inclination angle of the stylus 100 according to the distance between the first emitter electrode 41 and the second emitter electrode 42 and the distance between two positions on the touch screen 201 where the capacitance value changes, For more detailed acquisition of the inclination angle of the stylus 100, reference may be made to the related description of the dual-tip projection method in the prior art.
  • the stylus 100 further includes: a battery assembly 80 , and the battery assembly 80 is used to provide power to the circuit board 70 .
  • the battery assembly 80 may include a lithium-ion battery, or the battery assembly 80 may include a nickel-chromium battery, an alkaline battery, or a nickel-metal hydride battery, or the like.
  • the battery included in the battery assembly 80 may be a rechargeable battery or a disposable battery, wherein, when the battery included in the battery assembly 80 is a rechargeable battery, the stylus 100 can charge the battery assembly wirelessly. 80 in the battery to charge.
  • the electronic device 200 can send an uplink to the stylus 100 through the electrode array integrated on the touch screen 201 Signal.
  • the stylus 100 can receive the uplink signal through the receiving electrodes, and the stylus 100 transmits the downlink signal through the transmitting electrodes (eg, the first transmitting electrode 41 and the second transmitting electrode 42 ).
  • the downlink signal includes the above-mentioned first signal and second signal.
  • the electronic device 200 can determine the tip of the stylus 100 based on the capacitance value on the touch screen 201 The position of 10 on the touch screen 201 .
  • the uplink signal and the downlink signal may be square wave signals.
  • the wireless keyboard 300 may include a first part 301 and a second part 302 .
  • the wireless keyboard 300 may include: a keyboard body and a keyboard cover.
  • the first part 301 can be a keyboard cover
  • the second part 302 can be a keyboard body.
  • the first part 301 is used for placing the electronic device 200
  • the second part 302 may be provided with buttons, touch pads, etc. for user operations.
  • the first part 301 and the second part 302 of the wireless keyboard 300 need to be opened, and when the wireless keyboard 300 is not in use, the first part 301 and the second part 302 of the wireless keyboard 300 can be closed.
  • the first part 301 and the second part 302 of the wireless keyboard 300 are rotatably connected.
  • the first part 301 and the second part 302 can be connected by a rotating shaft or a hinge, or, in some examples, the first part 301 and the second part 302 can be rotationally connected by a flexible material (such as a leather material or a cloth material) .
  • the first part 301 and the second part 302 may be integrally formed, and the connection between the first part 301 and the second part 302 is processed by thinning, so that the connection between the first part 301 and the second part 302 is The connection can be bent.
  • the connection manner between the first part 301 and the second part 302 may include but not limited to the above-mentioned several rotational connection manners.
  • the first part 301 may include at least two rotatably connected brackets.
  • the first part 301 includes a first bracket 301a and a second bracket 301b, and the first bracket 301a and the second bracket 301b are rotatably connected to each other.
  • the first bracket 301a and the second bracket can be used 301b collectively supports the electronic device 200 (refer to FIG. 1 ).
  • the first bracket 301a provides support to the second bracket 301b
  • the second bracket 301b supports the electronic device 200 .
  • the second bracket 301b and the second part 302 are rotatably connected.
  • the wireless keyboard 300 may be provided with a storage portion 303 for storing the stylus 100 .
  • the accommodating portion 303 is a cylindrical cavity.
  • the connecting part 304 is provided with a receiving part 303 .
  • the connecting portion 304 may be a rotating shaft.
  • FIG. 5A is a schematic diagram of a stylus provided in an embodiment of the present application being stored in a storage portion of a wireless keyboard
  • FIG. 5B is a schematic side view of the stylus pen provided by an embodiment of the present application when stored in the storage portion of the wireless keyboard.
  • the accommodating portion 303 is a circular cavity, and the inner diameter of the accommodating portion 303 is larger than the outer diameter of the stylus 100 .
  • a magnetic material may be provided on the inner wall of the receiving portion 303 , and a magnetic material may be provided in the stylus 100 .
  • the stylus 100 is adsorbed in the receiving portion 303 by the magnetic adsorption between the magnetic materials.
  • the stylus 100 and the receiving part 303 can also be fixed by means of snapping .
  • a pop-up structure may be provided in the storage portion 303 .
  • the eject mechanism can drive one end of the stylus 100 to move outward from the storage portion 303 . pop up.
  • FIG. 6 is a schematic diagram of a hardware structure of a touch pen according to an embodiment of the present application.
  • the stylus 100 may have a processor 110 .
  • Processor 110 may include storage and processing circuitry for supporting the operation of stylus 100 .
  • the storage and processing circuitry may include storage devices such as non-volatile memory (eg, flash memory or other electrically programmable read-only memory configured as solid state drives), volatile memory (eg, static or dynamic random access memory) Wait.
  • Processing circuitry in the processor 110 may be used to control the operation of the stylus 100 .
  • the processing circuitry may be based on one or more microprocessors, microcontrollers, digital signal processors, baseband processors, power management units, audio chips, application specific integrated circuits, and the like.
  • the sensors may include pressure sensor 120 .
  • the pressure sensor 120 may be disposed on the writing end 11 of the stylus 100 (as shown in FIG. 2B ).
  • the pressure sensor 120 may also be disposed in the pen holder 20 of the stylus 100 , so that after one end of the pen tip 10 of the stylus 100 is subjected to force, the other end of the pen tip 10 moves to act on the pressure sensor 120 .
  • the processor 110 can adjust the line thickness of the pen tip 10 of the stylus 100 when writing according to the pressure detected by the pressure sensor 120 .
  • the sensors may also include inertial sensors 130 .
  • Inertial sensor 130 may include a three-axis accelerometer and a three-axis gyroscope, and/or other components for measuring movement of stylus 100, for example, a three-axis magnetometer may be included in a nine-axis inertial sensor configuration in the sensor.
  • the sensors may also include additional sensors, such as temperature sensors, ambient light sensors, light-based proximity sensors, contact sensors, magnetic sensors, pressure sensors, and/or other sensors.
  • Stylus 100 may include status indicators 140 such as light emitting diodes and buttons 150 therein.
  • the status indicator 140 is used to inform the user of the status of the stylus 100 .
  • Buttons 150 which may include mechanical buttons and non-mechanical buttons, may be used to collect button press information from a user.
  • the stylus 100 may include one or more electrodes 160 (for details, please refer to the description in FIG. 2B ), one of the electrodes 160 may be located at the writing end of the stylus 100 , and one of the electrodes 160 may be Located inside the pen tip 10, reference can be made to the above related description.
  • the stylus 100 may include a sensing circuit 170 therein.
  • the sensing circuit 170 can sense capacitive coupling between the electrodes 160 and the drive lines of the capacitive touch sensor panel that interacts with the stylus 100 .
  • Sensing circuit 170 may include an amplifier to receive capacitance readings from a capacitive touch sensor panel, a clock to generate a demodulated signal, a phase shifter to generate a phase shifted demodulated signal, to use an in-phase demodulation frequency components to demodulate capacitance readings, and mixers to demodulate capacitance readings using quadrature demodulation frequency components, etc.
  • the results of the mixer demodulation can be used to determine an amplitude proportional to capacitance so that the stylus 100 can sense contact with the capacitive touch sensor panel.
  • the stylus 100 may include a microphone, a speaker, an audio generator, a vibrator, a camera, a data port, and other devices.
  • a user may control the operation of the stylus 100 and the electronic device 200 with which the stylus 100 interacts by providing commands with these devices, and receive status information and other output.
  • the processor 110 may be used to run software on the stylus 100 that controls the operation of the stylus 100 .
  • software running on processor 110 may process sensor inputs, button inputs, and inputs from other devices to monitor stylus 100 movement and other user inputs.
  • Software running on the processor 110 can detect user commands and can communicate with the electronic device 200 .
  • the stylus 100 may include a wireless module.
  • the wireless module is the Bluetooth module 180 as an example for description.
  • the wireless module may also be a WI-FI hotspot module, a WI-FI point-to-point module, and the like.
  • the Bluetooth module 180 may include a radio frequency transceiver, such as a transceiver.
  • the Bluetooth module 180 may also include one or more antennas.
  • the transceiver may utilize the antenna to transmit and/or receive wireless signals, which may be Bluetooth signals, wireless local area network signals, long-range signals such as cellular telephone signals, near field communication signals, or other wireless signals based on the type of wireless module.
  • the stylus 100 may further include a charging module 190 , and the charging module 190 may support the charging of the stylus 100 and provide power for the stylus 100 .
  • the electronic device 200 in this embodiment of the present application may be referred to as a user equipment (user equipment, UE), a terminal (terminal), etc.
  • the electronic device 200 may be a tablet computer (portable android device, PAD), a personal digital processing (personal digital assistant, PDA), handheld devices, computing devices, in-vehicle devices or wearable devices with wireless communication functions, virtual reality (virtual reality, VR) terminal equipment, augmented reality (augmented reality, AR) terminal equipment, industrial control Wireless terminals in (industrial control), wireless terminals in self-driving, wireless terminals in remote medical, wireless terminals in smart grid, and transportation safety
  • a mobile terminal or a fixed terminal with a touch screen such as a wireless terminal in a smart city, a wireless terminal in a smart city, and a wireless terminal in a smart home.
  • the form of the terminal device is not specifically limited in the embodiments of the present application.
  • FIG. 7 is a schematic diagram of a hardware structure of an electronic device according to an embodiment of the present application.
  • the electronic device 200 may include multiple subsystems that cooperate to perform, coordinate, or monitor one or more operations or functions of the electronic device 202 .
  • Electronic device 200 includes processor 210 , input surface 220 , coordination engine 230 , power subsystem 240 , power connector 250 , wireless interface 260 , and display 270 .
  • coordination engine 230 may be used to communicate and/or process data with other subsystems of electronic device 200; communicate and/or transact data with stylus 100; measure and/or obtain one or more analog or digital output of a sensor (such as a touch sensor); measuring and/or obtaining the output of one or more sensor nodes of an array of sensor nodes (such as an array of capacitive sensing nodes); receiving and locating tip and ring signals from stylus 100 ; Position the stylus 100 and the like based on the positions of the tip signal intersection area and the ring signal intersection area.
  • a sensor such as a touch sensor
  • sensor nodes such as an array of sensor nodes
  • receiving and locating tip and ring signals from stylus 100 Position the stylus 100 and the like based on the positions of the tip signal intersection area and the ring signal intersection area.
  • the coordination engine 230 of the electronic device 200 includes or is otherwise communicatively coupled to a sensor layer underlying or integral with the input surface 220 .
  • the coordination engine 230 utilizes the sensor layer to position the stylus 100 on the input surface 220 and uses the techniques described herein to estimate the angular position of the stylus 100 relative to the plane of the input surface 220 .
  • input surface 220 may be referred to as touch screen 201 .
  • the sensor layer of the coordination engine 230 of the electronic device 200 is a grid of capacitive sensing nodes arranged in columns and rows. More specifically, the array of column traces is arranged perpendicular to the array of row traces.
  • the sensor layer may be separate from other layers of the electronic device, or the sensor layer may be disposed directly on another layer, such as but not limited to: display stack layers, force sensor layers, digitizer layers, polarizer layers, battery layers , structural or decorative shell layers, etc.
  • the sensor layer can operate in various modes. If operating in mutual capacitance mode, the column and row traces form a single capacitive sensing node at each overlapping point (e.g., "vertical" mutual capacitance). If operating in self-capacitance mode, the column and row traces form two (vertically aligned) capacitive sensing nodes at each overlapping point. In another embodiment, if operating in mutual capacitance mode, adjacent column traces and/or adjacent row traces may each form a single capacitive sensing node (eg, "horizontal" mutual capacitance).
  • the sensor layer may detect the presence of the tip 10 of the stylus 100 and/or the touch of a user's finger by monitoring changes in capacitance (eg, mutual capacitance or self-capacitance) presented at each capacitive sensing node.
  • coordination engine 230 may be configured to detect tip and ring signals received from stylus 100 through the sensor layer via capacitive coupling.
  • the tip signal and/or the ring signal may include specific information and/or data that may be configured to cause the electronic device 200 to recognize the stylus 100 .
  • Such information is generally referred to herein as "stylus identity" information.
  • This information and/or data may be received by the sensor layer and interpreted, decoded and/or demodulated by the coordination engine 230 .
  • the processor 210 may use the stylus identity information to simultaneously receive input from more than one stylus.
  • the coordination engine 230 may be configured to transmit to the processor 210 the position and/or angular position of each of a number of styluses detected by the coordination engine 230 .
  • the coordination engine 230 may also transmit information to the processor 210 regarding the relative positions and/or relative angular positions of the plurality of styluses detected by the coordination engine 230 .
  • the coordination engine 220 may notify the processor 210 that the detected first stylus is located at a distance from the detected second stylus.
  • the end signal and/or the ring signal may also include specific information and/or data for enabling the electronic device 200 to identify a specific user. Such information is generally referred to herein as "User Identity” information.
  • Reconciliation engine 230 may forward user identity information (if detected and/or recoverable) to processor 210 . If the user identification information cannot be recovered from the tip signal and/or the ring signal, the coordination engine 230 may optionally indicate to the processor 210 that user identification information is not available. Processor 210 can utilize user identity information (or the absence of such information) in any suitable manner, including but not limited to accepting or denying input from a particular user, allowing or denying access to particular functions of the electronic device, and the like. The processor 210 may use the user identity information to simultaneously receive input from more than one user.
  • the tip signal and/or ring signal may include specific information and/or data that may be configured to cause the electronic device 200 to identify settings or preferences of the user or stylus 100 .
  • Such information is generally referred to herein as "stylus settings" information.
  • Coordination engine 230 may forward stylus setting information (if detected and/or recoverable) to processor 210 . If the stylus setting information cannot be recovered from the tip signal and/or the ring signal, the coordination engine 230 may optionally indicate to the processor 210 that the stylus setting information is not available.
  • Electronic device 200 can utilize the stylus setting information (or the absence of such information) in any suitable manner, including but not limited to: applying settings to the electronic device, applying settings to programs running on the electronic device, changing The line thickness, color, pattern presented by the graphics program of the electronic device, changing the settings of the video game operated on the electronic device, etc.
  • the processor 210 may be configured to perform, coordinate and/or manage the functions of the electronic device 200 .
  • Such functions may include, but are not limited to, communicating and/or transacting data with other subsystems of electronic device 200, communicating and/or transacting data with stylus 100, communicating and/or transacting data over a wireless interface, over wired
  • the interface communicates and/or trades data, facilitates the exchange of power through a wireless (eg, inductive, resonant, etc.) or wired interface, receives the position and angular position of one or more styluses, and the like.
  • the processor 210 may be implemented as any electronic device capable of processing, receiving or transmitting data or instructions.
  • a processor may be a microprocessor, a central processing unit, an application specific integrated circuit, a field programmable gate array, a digital signal processor, an analog circuit, a digital circuit, or a combination of these devices.
  • Processors can be single-threaded or multi-threaded.
  • the processor can be a single-core or multi-core processor.
  • the processor 210 may be configured to access memory in which instructions are stored.
  • the instructions may be configured to cause the processor to perform, coordinate or monitor one or more operations or functions of the electronic device 200.
  • the instructions stored in memory may be configured to control or coordinate the operation of other components of electronic device 200, such as, but not limited to, another processor, analog or digital circuits, volatile or nonvolatile memory modules, Displays, speakers, microphones, rotary input devices, buttons or other physical input devices, biometric authentication sensors and/or systems, force or touch input/output components, communication modules (such as wireless interfaces and/or power connectors), and/or Haptic or haptic feedback devices.
  • the memory may also store electronic data usable by the stylus or the processor.
  • memory may store electronic data or content (such as media files, documents, and applications), device settings and preferences, timing and control signals, or data, data structures, or databases for various modules, and detection tip signals and/or Or ring signal related files or configurations, etc.
  • the memory can be configured as any type of memory.
  • the memory may be implemented as random access memory, read only memory, flash memory, removable memory, other types of storage elements, or a combination of such devices.
  • Electronic device 200 also includes power subsystem 240 .
  • Power subsystem 240 may include a battery or other power source. Power subsystem 240 may be configured to provide power to electronic device 200 .
  • Power subsystem 240 may also be coupled to power connector 250 .
  • Power connector 250 may be any suitable connector or port that may be configured to receive power from an external power source and/or configured to provide power to an external load. For example, in some embodiments, power connector 250 may be used to recharge a battery within power subsystem 240 . In another embodiment, power connector 250 may be used to transfer power stored (or available to) within power subsystem 240 to stylus 100 .
  • the electronic device 200 also includes a wireless interface 260 to facilitate electronic communication between the electronic device 200 and the stylus 100 .
  • the electronic device 200 may be configured to communicate with the stylus 100 via a low energy Bluetooth communication interface or a near field communication interface.
  • the communication interface facilitates electronic communication between the electronic device 200 and an external communication network, device or platform.
  • Wireless interface 260 may be implemented as one or more wireless interfaces, Bluetooth interfaces, near field communication interfaces, magnetic interfaces, universal serial Bus interface, inductive interface, resonant interface, capacitive coupling interface, Wi-Fi interface, TCP/IP interface, network communication interface, optical interface, acoustic interface or any traditional communication interface.
  • Electronic device 200 also includes display 270 .
  • Display 270 may be located behind input surface 220, or may be integrated therewith.
  • Display 270 may be communicatively coupled to processor 210 .
  • Processor 210 may use display 270 to present information to a user. In many cases, processor 210 uses display 270 to present an interface with which a user can interact. In many cases, the user manipulates the stylus 100 to interact with the interface.
  • FIG. 8 is a schematic diagram of a hardware structure of a wireless keyboard according to an embodiment of the present application.
  • the wireless keyboard 300 may include a processor 310 , a memory 320 , a charging interface 330 , a charging management module 340 , a wireless charging coil 350 , a battery 360 , a wireless communication module 370 , a touch panel 380 , and a keyboard 390 .
  • the processor 310, the memory 320, the charging interface 330, the charging management module 340, the battery 360, the wireless communication module 370, the touch panel 380, the keyboard 390, etc. can all be arranged on the keyboard body of the wireless keyboard 300 (ie, as shown in FIG. 4 ). shown on the second portion 302).
  • the above-mentioned wireless charging coil 350 may be provided in the connecting portion 304 (as shown in FIG. 4 ) for movably connecting the keyboard body and the bracket. It can be understood that the structure illustrated in this embodiment does not constitute a specific limitation on the wireless keyboard 300 . In other embodiments, the wireless keyboard 300 may include more or fewer components than shown, or some components may be combined, or some components may be split, or a different arrangement of components.
  • the illustrated components may be implemented in hardware, software, or a combination of software and hardware.
  • the memory 320 may be used for storing program codes, such as program codes for wirelessly charging the stylus 100, and the like.
  • the memory 320 may also store a Bluetooth address for uniquely identifying the wireless keyboard 300 .
  • the memory 320 may also store connection data of the electronic device that has been successfully paired with the wireless keyboard 300 before.
  • the connection data may be the Bluetooth address of the electronic device that has been successfully paired with the wireless keyboard 300 .
  • the wireless keyboard 300 can be automatically paired with the electronic device without having to configure the connection therewith, such as performing legality verification.
  • the above Bluetooth address may be a media access control (media access control, MAC) address.
  • the processor 310 may be configured to execute the above-mentioned application code, and invoke relevant modules to implement the functions of the wireless keyboard 300 in the embodiment of the present application.
  • the processor 310 may include one or more processing units, and different processing units may be independent devices, or may be integrated into one or more processors 310 .
  • the processor 310 may specifically be an integrated control chip, or may be composed of a circuit including various active and/or passive components, and the circuit is configured to perform the functions of the processor 310 described in the embodiments of the present application.
  • the processor of the wireless keyboard 300 may be a microprocessor.
  • the wireless communication module 370 may be used to support the communication between the wireless keyboard 300 and other electronic devices, including Bluetooth (bluetooth, BT), global navigation satellite system (GNSS), wireless local area networks (wireless local area networks, WLAN) (such as Wireless fidelity (wireless fidelity, Wi-Fi) network), frequency modulation (frequency modulation, FM), near field communication technology (near field communication, NFC), infrared technology (infrared, IR) and other wireless communication data exchange.
  • Bluetooth bluetooth, BT
  • GNSS global navigation satellite system
  • WLAN wireless local area networks
  • FM wireless fidelity
  • NFC near field communication technology
  • infrared technology infrared, IR
  • the wireless communication module 370 may be a Bluetooth chip.
  • the wireless keyboard 300 may be a Bluetooth keyboard.
  • the wireless keyboard 300 can be paired with the Bluetooth chips of other electronic devices through the Bluetooth chip and establish a wireless connection, so as to realize wireless communication between the wireless keyboard 300 and other electronic devices through the wireless connection.
  • the wireless communication module 370 may further include an antenna.
  • the wireless communication module 370 receives electromagnetic waves via the antenna, frequency modulates and filters the electromagnetic wave signals, and sends the processed signals to the processor 310 .
  • the wireless communication module 370 can also receive the signal to be sent from the processor 310, perform frequency modulation on it, amplify it, and convert it into electromagnetic waves for radiation through the antenna.
  • the wireless keyboard 300 may support wired charging.
  • the charging management module 340 may receive the charging input of the wired charger through the charging interface 330 .
  • the wireless keyboard 300 may support forward wireless charging.
  • the charging management module 340 may receive wireless charging input through the wireless charging coil 350 of the wireless keyboard 300 .
  • the charging management module 340 is connected with the wireless charging coil 350 through a matching circuit.
  • the wireless charging coil 350 can be coupled with the wireless charging coil of the above-mentioned wireless charger, and induce an alternating electromagnetic field emitted by the wireless charging coil 350 of the wireless charger to generate an alternating electric signal.
  • the alternating electrical signal generated by the wireless charging coil 350 is transmitted to the charging management module 340 through the matching circuit, so as to charge the battery 330 wirelessly.
  • the charging management module 340 can also provide power for the wireless keyboard 300 while charging the battery 330 .
  • the charging management module 340 receives the input of the battery 330 and supplies power to the processor 310 , the memory 320 , the external memory and the wireless communication module 370 .
  • the charging management module 340 can also be used to monitor the battery capacity of the battery 360, the number of battery cycles, the battery health status (leakage, impedance) and other parameters. In some other embodiments, the charging management module 340 may also be provided in the processor 310 .
  • the wireless keyboard 300 may support reverse wireless charging.
  • the charging management module 340 may also receive an input from the charging interface 330 or the battery 360, and convert the DC signal input from the charging interface 330 or the battery 360 into an AC signal.
  • the AC signal is transmitted to the wireless charging coil 350 through the matching circuit.
  • the wireless charging coil 350 can generate an alternating electromagnetic field upon receiving the alternating current signal.
  • the wireless charging coils of other mobile terminals sense the alternating electromagnetic field and can perform wireless charging. That is, the wireless keyboard 300 can also wirelessly charge other mobile terminals.
  • the wireless charging coil 350 may be disposed in the receiving portion 303 of the wireless keyboard 300 , and the wireless charging coil is disposed in the pen holder 20 of the stylus 100 . When the stylus 100 is placed in the receiving portion 303 , the The wireless keyboard 300 can charge the stylus 100 through the wireless charging coil 350 .
  • FIG. 8 shows a schematic diagram of the hardware structure of the wireless keyboard 300 by taking as an example that the matching circuit can be integrated in the charging management module 340 .
  • the charging interface 350 can be used to provide a wired connection for charging or communication between the wireless keyboard 300 and other electronic devices (eg, a wired charger of the wireless keyboard 300 ).
  • a touch sensor is integrated into the above-mentioned touch panel 380 .
  • the notebook computer can receive user control commands on the notebook computer through the touchpad 380 and the keyboard 390 .
  • the structures illustrated in the embodiments of the present application do not constitute a specific limitation on the wireless keyboard 300 . It may have more or fewer components than those shown in Figure 8, may combine two or more components, or may have a different configuration of components.
  • the housing of the wireless keyboard 300 may also be provided with a storage cavity for storing the stylus 100 .
  • the wireless charging coil 350 is disposed in the receiving cavity, and is used for wirelessly charging the stylus 100 after the stylus 100 is stored in the receiving cavity.
  • the outer surface of the wireless keyboard 300 may also include buttons, indicator lights (which can indicate states such as battery level, incoming/outgoing calls, pairing mode, etc.), and a display screen (which can prompt the user for relevant information) and other components.
  • the key may be a physical key or a touch key (used in conjunction with a touch sensor), etc., for triggering operations such as power-on, power-off, charging start, and charging stop.
  • the stylus can send a downlink signal to the electronic device, and the electronic device can determine the position and inclination of the stylus based on the downlink signal, and then based on the The position and inclination show the handwriting on the touch screen.
  • the stylus cannot interact with the electronic device.
  • the premise of wireless connection between the stylus and the electronic device is pairing. Therefore, before the stylus provides input to the electronic device, it needs to be paired and connected with the electronic device.
  • the pairing process of the electronic device and the stylus is a process of mutual authentication between the two devices. After the electronic device is paired with the stylus, the subsequent connection between the electronic device and the stylus does not need to be paired every time.
  • the pairing of the electronic device and the stylus can be mutually authenticated by means of a personal identification number (PIN) authentication. After the electronic device is paired with the stylus, the electronic device may establish a connection according to a media access control (MAC) address of the stylus.
  • PIN personal identification number
  • MAC media access control
  • the electronic device and the stylus have a Bluetooth function.
  • the user can operate on the electronic device to turn on the Bluetooth of the electronic device, so as to scan the surrounding devices with the Bluetooth turned on.
  • the electronic device can display the identification of the stylus found by scanning on the interface, and the user clicks the identification of the stylus to be paired on the interface, thereby realizing pairing of the electronic device and the stylus. After the pairing of the electronic device and the stylus is completed, the two can establish a Bluetooth connection.
  • the stylus can broadcast a message. Based on the message, the electronic device can actively discover the stylus, and when the stylus is found, communicate with the stylus. Pair and connect. Referring to FIG. 9 , the stylus can be adsorbed on the electronic device. When the stylus is attached to the electronic device, if the electronic device has turned on the Bluetooth function, the electronic device can display the pairing popup 400 .
  • the process of displaying the pairing popup on the electronic device may be as follows: when the stylus is adsorbed on the electronic device, the stylus broadcasts a message through a Bluetooth public channel, and the message includes the MAC address of the stylus.
  • the electronic device can scan the message broadcast by the stylus through Bluetooth low energy (BLE), and then parse the message to obtain the MAC address of the stylus. Based on the MAC address of the stylus, the electronic device displays the pairing A pop-up box is displayed to remind the user to pair and connect the stylus and the electronic device. The user can operate the pop-up frame to trigger the electronic device to pair and connect with the stylus based on the MAC address of the stylus.
  • the pairing connection between the stylus pen and the electronic device is performed together. For details, reference may be made to the relevant description of the prior art.
  • the premise of the pairing connection between the stylus pen and the electronic device is that the electronic device obtains the MAC address of the stylus pen. address, and the pairing pop-up box is displayed.
  • the stylus when the stylus is paired with an electronic device, it uses Bluetooth to broadcast the MAC address of the stylus. If there are multiple electronic devices with Bluetooth turned on around the stylus, a pairing popup will appear on the multiple electronic devices. inconvenience to users.
  • the electronic device, the wireless keyboard, and the stylus all have Bluetooth capabilities.
  • the stylus can be paired and connected with the electronic device by broadcasting a message, but it will still cause a pop-up frame around the stylus of other electronic devices with Bluetooth turned on.
  • An embodiment of the present application provides a method for pairing a stylus pen and an electronic device.
  • the stylus pen uses the wireless keyboard as an intermediate device for transmitting the MAC address of the stylus pen to transmit to the electronic device.
  • the MAC address of the stylus is used to display the pairing popup on the electronic device. Because the stylus can directionally transmit the MAC address of the stylus to the electronic device through the wireless keyboard, it can avoid the pop-up of other electronic devices with Bluetooth turned on around the stylus, and improve the user experience.
  • the method for pairing a touch pen and an electronic device can be applied to the first pairing process of the electronic device and the touch pen, or the process of pairing again.
  • the electronic device and the stylus remain in a paired state, and subsequent connections between the electronic device and the stylus do not need to be paired every time.
  • the stylus needs to be reconnected.
  • the electronic device and stylus need to be paired again.
  • a first coil 90 is provided in the pen holder 20 of the stylus 100
  • a second coil 3031 is provided in the connecting portion 304 of the wireless keyboard 300
  • the second coil 3031 is located in the space between the connecting part 304 and the receiving part 303 , or the second coil 3031 is located in the receiving part 303 , and the position of the second coil 3031 is not limited in this embodiment of the present application .
  • the wireless keyboard 300 can transmit power to the stylus 100 through the second coil 3031 , and the stylus 100 receives the power from the second coil 3031 through the first coil 90 to realize the wireless keyboard 300 to charge the stylus 100.
  • the relevant description of the Qi protocol for the charging of the stylus 100 by the wireless keyboard 300.
  • the first coil 90 may be understood to be included in the charging module 190 shown in FIG. 6 , and in one embodiment, the first coil 90 may be connected to the processor 110 .
  • the second coil 3031 is included in the wireless charging coil 350 shown in FIG. 8 . In one embodiment, the second coil 3031 can be connected to the processor 310 . It should be understood that other portions of wireless keyboard 300 are not shown in FIG. 10A.
  • the first bracket 301 a of the wireless keyboard 300 is provided with a third coil 3032
  • the electronic device 200 is provided with a fourth coil 202 .
  • the third coil 3032 and the fourth coil 202 overlap, so that the electronic device 200 can charge the wireless keyboard 300.
  • the third coil 3032 is included in the wireless charging coil 350 shown in FIG. 8
  • the third coil 3032 can be connected to the processor 310 .
  • the fourth coil 202 is included in the power subsystem 240 shown in FIG. 7 , and the fourth coil 202 may be connected to the processor 210.
  • the first coil 90 in the stylus 100 described in FIG. 10B and the second coil 3031 in the wireless keyboard 300 can refer to the relevant description in FIG. 10A . In both Figures 10A and 10B, the coils are represented by arc-shaped dashed lines.
  • FIG. 11 is a schematic flowchart of an embodiment of a method for pairing a stylus pen and an electronic device according to an embodiment of the present application.
  • the pairing method of the touch pen and the electronic device may include:
  • the touch pen sends a pairing request to the wireless keyboard through the first coil and the second coil.
  • an alternating current exists in the second coil of the wireless keyboard, and the second coil can generate an alternating electromagnetic field based on the alternating current.
  • the first coil can induce the alternating electromagnetic field generated by the second coil, and an induced current is generated in the first coil, and electrical energy can be transmitted from the wireless keyboard to The stylus can achieve the purpose of charging the stylus with the wireless keyboard.
  • the stylus can send a pairing request to the wireless keyboard through the first coil, and the wireless keyboard can receive the pairing request from the first coil through the second coil.
  • the pairing request is used to instruct the electronic device to output a pairing popup.
  • the pairing request may include an identifier of the stylus, and the identifier is used to uniquely characterize the stylus.
  • the identifier of the stylus may be the MAC address of the stylus, that is, the pairing request may include the MAC address of the stylus.
  • the pairing request may further include the model of the stylus, factory information, and the like.
  • the factory information may include the production batch of the stylus and the manufacturer's information.
  • the processor in the stylus is configured to control the first coil to send a pairing request to the wireless keyboard in response to the wireless keyboard charging the stylus.
  • a in Figure 12 represents the transfer of electrical energy with a dashed line.
  • the processor and the Bluetooth module in the stylus in a in FIG. 12 can be respectively understood as the processor 110 and the Bluetooth module 180 in the above-mentioned FIG. 6 ; the processor and the Bluetooth module in the wireless keyboard can be respectively understood as the above-mentioned FIG. 8 .
  • the processor 310, the wireless communication module 370; the processor and the Bluetooth module in the electronic device can be respectively understood as the processor 210 and the wireless interface 260 in the above-mentioned FIG. 7 .
  • the wireless communication module 370 is exemplified by a Bluetooth module
  • the wireless interface 260 is exemplified by a Bluetooth module.
  • all the Bluetooth modules in FIG. 12 can be replaced with other wireless communication modules.
  • the stylus can communicate with the wireless keyboard based on the Qi protocol.
  • the process of charging the stylus with the wireless keyboard can include three stages, which are the ping stage, the identification and configuration stage, and the power transmission stage.
  • packets of data can be exchanged between the stylus and the wireless keyboard.
  • the stylus and the wireless keyboard can exchange signal strength data packets and terminate transmission data packets.
  • the identification and configuration phase configuration data packets, identification data packets and termination transmission data packets can be exchanged between the stylus and the wireless keyboard.
  • the error data packets and received power packets can be interactively controlled between the stylus and the wireless keyboard.
  • the stylus may carry a pairing request in a data packet at any stage of the above-mentioned charging process.
  • the data packet at any stage in the charging process may include: a preamble part, a header part, a data part and a checksum part.
  • the stylus may carry the pairing request in the data part of the data packet.
  • the data part may carry the pairing request in the form of a field, for example, the field may be "11:22:33:44:55:66" to represent the MAC address of the stylus.
  • the stylus can communicate with the wireless keyboard based on a proprietary protocol.
  • the communication process between the touch pen and the wireless keyboard based on the proprietary protocol may include: a handshake phase and a pairing phase.
  • the stylus and the wireless keyboard can exchange data packets.
  • the stylus can carry a pairing request in a data packet at any stage of the communication.
  • the data packets at any stage of the communication may include: a header part (header), a command part (command) and a data part (data).
  • the stylus may carry the pairing request in the data part of the data packet, and the data part may carry the pairing request in the form of a field.
  • the stylus in response to the wireless keyboard charging the stylus, may acquire a connection state between the stylus and the electronic device, the connection state representing whether the stylus and the electronic device are wirelessly connected.
  • the stylus in response to the wireless keyboard charging the stylus, can detect whether it is connected to the electronic device, and then obtain the connection state.
  • the electronic device can detect the connection state, and if the electronic device and the stylus are wirelessly connected, the electronic device can send the connection state to the stylus. If the electronic device and the stylus are not wirelessly connected, the electronic device can broadcast the connection state, so that the stylus can receive the connection state. For example, if the electronic device broadcasts the connection state through a Bluetooth channel, the stylus can receive the connection state the connection status.
  • the following embodiments are described by taking the wireless connection between the touch pen and the electronic device as a Bluetooth connection as an example.
  • the stylus may not send a pairing request to the wireless keyboard.
  • a pairing button may be provided on the stylus, and the pairing button is used to trigger the stylus to send a pairing request.
  • the wireless keyboard is charging the stylus, if the stylus is not connected to the electronic device via Bluetooth and the stylus detects that the user operates the pairing button, it can send a pairing request to the wireless keyboard through the first coil.
  • the stylus can store information of the electronic device.
  • the information of the electronic device may include, but is not limited to, the MAC address of the electronic device. It should be understood that during the pairing and connection process between the stylus history and the electronic device, the electronic device may feed back the MAC address of the electronic device to the stylus.
  • the wireless keyboard is charging the stylus
  • the stylus can determine whether it is necessary to send a pairing request to the wireless keyboard through the first coil based on the information of the electronic device.
  • the stylus can send a connection request to the electronic device based on the stored MAC address of the electronic device.
  • the stylus can receive a connection response from the electronic device, the stylus can A connection is established with an electronic device, and the stylus does not send a pairing request to the wireless keyboard. If the stylus does not receive a connection response from the electronic device, the stylus determines that it needs to re-establish a pairing connection with the electronic device, and the stylus can send a pairing request to the wireless keyboard through the first coil.
  • the wireless keyboard sends a pairing request to the electronic device.
  • the pairing request is used to instruct the wireless keyboard to send the pairing request to the electronic device, that is, when the wireless keyboard receives the pairing request from the electronic device, it can forward the pairing request to the electronic device.
  • the wireless keyboard is pre-connected with the electronic device for wireless communication (eg, a Bluetooth connection). Because the pairing request from the stylus can be sent based on the Qi protocol or other proprietary protocols, the format of the data packet carrying the pairing request is: the data packet format supported by the Qi protocol or other proprietary protocols. In order to enable the electronic device to recognize the pairing request from the wireless keyboard, the wireless keyboard can convert the format of the data packet from the stylus to the format of the data packet that can be recognized by the electronic device based on the connection method between the wireless keyboard and the electronic device.
  • the wireless keyboard can convert the format of the data packet from the stylus to the format of the data packet that can be recognized by the electronic device based on the connection method between the wireless keyboard and the electronic device.
  • the wireless keyboard can convert the data packet from the stylus into a Bluetooth data packet that the electronic device can recognize, and then send the Bluetooth data packet carrying the pairing request to the electronic device. data pack.
  • the wireless keyboard can parse the data packet carrying the pairing request from the stylus to obtain the MAC address of the stylus, the model and factory information of the stylus, and the like.
  • the wireless keyboard can encapsulate the MAC address of the stylus, the model and factory information of the stylus into a data packet in the Bluetooth format.
  • the wireless keyboard can receive a pairing request from the stylus based on the second coil, the processor in the wireless keyboard can send a pairing request to the electronic device through the Bluetooth module in the wireless keyboard, and the electronic device can be based on the electronic device.
  • the Bluetooth module in receives the pairing request. It should be understood that when the wireless keyboard is exemplarily shown in b in FIG. 12 sending a pairing request to the electronic device, the wireless keyboard can charge the stylus. Correspondingly, the user can also take out the stylus from the storage part, and the wireless keyboard in b in FIG. 12 may not charge the stylus.
  • the structure of the wireless keyboard and the electronic device can be referred to as shown in FIG. 10B .
  • the electronic device when the electronic device is placed on the bracket B of the wireless keyboard, the electronic device can transmit electrical energy to the third coil through the fourth coil, or the wireless keyboard can transmit electrical energy to the fourth coil through the third coil.
  • the wireless charging principle of the wireless keyboard in FIG. 8 when the wireless keyboard receives the pairing request from the touch pen, it may not process the pairing request, but directly send the pairing request to the electronic device through the third coil.
  • the wireless keyboard can use the Qi protocol or other proprietary protocols, and send the data packet carrying the pairing request from the stylus to the electronic device through the third coil. Send a description of the pairing request.
  • the wireless keyboard can receive a pairing request from the stylus based on the second coil, the processor in the wireless keyboard can send a pairing request to the electronic device through the third coil, and the electronic device can receive pairing based on the fourth coil. ask.
  • the wireless keyboard can receive a pairing request from the stylus based on the second coil
  • the processor in the wireless keyboard can send a pairing request to the electronic device through the third coil
  • the electronic device can receive pairing based on the fourth coil. ask.
  • FIG. 13 reference may be made to the related description of a in FIG. 12 .
  • the wireless keyboard can be used as an intermediate device to forward the pairing request from the stylus to the electronic device.
  • the electronic device in FIG. 12 does not need to be placed on the wireless keyboard.
  • the pairing request from the stylus can also be forwarded to the electronic device, which is applicable to a wider range.
  • the electronic device displays a pairing popup based on the pairing request.
  • the electronic device receives the pairing request from the wireless keyboard, and can parse the pairing request to obtain the MAC address of the stylus.
  • the electronic device receives the pairing request forwarded from the wireless keyboard based on Bluetooth, or the electronic device receives the pairing request forwarded from the wireless keyboard based on the fourth coil, and the electronic device has turned on Bluetooth, the electronic device can parse the pairing request to obtain
  • the electronic device may display a pairing popup 600, and the pairing popup is used to remind the user that there is a stylus to be paired.
  • the interface of the electronic device may display a prompt message 601 "whether to pair with a stylus", as well as an "OK" control 602 and a "Cancel” control 603 .
  • the embodiment of the present application does not limit the form in which the electronic device displays the pairing popup.
  • the electronic device may output pairing information based on the pairing request.
  • the manner of outputting the pairing information may be, but not limited to, displaying a pairing pop-up box, or prompting the user to trigger pairing between the electronic device and the stylus in a voice manner.
  • the embodiments of the present application do not specifically limit the manner in which the electronic device outputs the pairing information.
  • the electronic device can detect whether the electronic device has turned on the Bluetooth when receiving the pairing request, and "whether the bluetooth is turned on” can be understood as whether Turn on the Bluetooth function.
  • the electronic device may display a pop-up box 500 as shown in FIG. 15 for prompting the user to turn on the bluetooth, so as to prompt the user to turn on the bluetooth of the electronic device.
  • the electronic device can display the interface shown in FIG. 14 , and reference can be made to the above related description.
  • “Bluetooth” in the embodiments of the present application is for illustration, and may also be replaced with other wireless connection functions or wireless connection manners.
  • the electronic device when the pairing request includes the model and factory information of the stylus, the electronic device can obtain an image of the stylus based on the model of the stylus, and then can display the touchscreen when displaying the pairing popup. Image 604 of the pen.
  • the electronic device may store a mapping relationship between the model of the stylus and the image, and the mapping relationship may include the models of different stylus and the image of each model of the stylus.
  • the electronic device may acquire an image of the stylus based on the model of the stylus and the mapping relationship.
  • the electronic device may further determine the manufacturer's identification based on the factory-delivery information, and then display the manufacturer's identification when the pairing pop-up box is displayed. Brand A in Figure 15 can represent the manufacturer's logo, and X1 can represent the model of the stylus.
  • the user can operate the "OK" control to trigger the electronic device and the stylus to be paired and connected.
  • the electronic device and the stylus can be paired and connected based on Bluetooth, which is not repeated in this embodiment of the present application, and reference can be made to the related description of the existing pairing connection.
  • the stylus can send a pairing request to the wireless keyboard through the first coil, the wireless keyboard can forward the pairing request to the electronic device, and the electronic device displays a display based on the pairing request. Pairing popup.
  • the stylus uses the wireless keyboard as an intermediate device for pairing the electronic device and the stylus, and the wireless keyboard can transmit a pairing request from the stylus to the electronic device, thereby enabling the electronic device to display a pairing popup, which can achieve The purpose of pairing an electronic device and a stylus.
  • the stylus can transmit the MAC address of the stylus to the electronic device through the wireless keyboard, it can achieve the purpose of directional transmission of the MAC address of the stylus to the electronic device, thereby avoiding the pop-up of other electronic devices around the stylus, and improving the user experience.
  • the embodiment of the present application further provides a stylus as shown in FIG. 6 .
  • the processor in the stylus can read the program stored in the memory to execute the actions performed by the stylus in the aforementioned pairing method. It should be understood that memory is not shown in FIG. 6 .
  • An embodiment of the present application further provides an electronic device as shown in FIG. 7 , where a processor in the electronic device can read a program stored in a memory to execute the actions performed by the electronic device in the aforementioned pairing method. It should be understood that the memory is not shown in FIG. 7 .
  • the embodiment of the present application further provides a wireless keyboard as shown in FIG. 8 , where the processor in the wireless keyboard can read the program stored in the memory to execute the actions performed by the wireless keyboard in the aforementioned pairing method. It should be understood that the memory is not shown in FIG. 8 .
  • the embodiment of the present application further provides a pairing system including a touch pen as shown in FIG. 6 , an electronic device as shown in FIG. 7 , and a wireless keyboard as shown in FIG. 8 , and the pairing system can perform the above implementation.
  • pairing method in the example.
  • the stylus can perform the actions performed by the touch pen in the above pairing method
  • the electronic device can perform the actions performed by the electronic device in the above pairing method
  • the wireless keyboard can perform the actions performed by the wireless keyboard in the above pairing method
  • plural refers to two or more.
  • the term “and/or” in this article is only an association relationship to describe the associated objects, indicating that there can be three kinds of relationships, for example, A and/or B, it can mean that A exists alone, A and B exist at the same time, and A and B exist independently B these three cases.
  • the character "/" in this article generally indicates that the related objects before and after are an “or” relationship; in the formula, the character "/" indicates that the related objects are a "division" relationship.

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Abstract

本申请实施例提供了一种配对方法和配对系统，配对系统包括：触控笔、无线键盘和电子设备，触控笔包括第一线圈，无线键盘包括第二线圈，该方法包括：响应于无线键盘通过第二线圈和第一线圈为触控笔充电，触控笔通过第一线圈和第二线圈，向无线键盘发送配对请求；无线键盘向电子设备发送配对请求；电子设备基于配对请求，显示配对弹框，配对弹框用于提示用户触发电子设备和触控笔进行配对。本申请实施例中，触控笔将无线键盘作为电子设备和触控笔配对的中间装置，无线键盘可以定向地向电子设备传输触控笔的配对请求，进而达到电子设备弹框，且避免触控笔周围的其他电子设备的弹框的目的，提高用户体验。

Description

配对方法和配对系统
本申请要求于2021年03月15日提交中国国家知识产权局、申请号为202110293428.X、申请名称为“一种手写笔及其使用方法”的中国专利申请的优先权，以及于2021年04月01日提交中国国家知识产权局、申请号为202110357928.5、申请名称为“配对方法和配对系统”的中国专利申请的优先权，该两个中国专利申请的全部或部分内容通过引用结合在本申请中。
技术领域
本申请实施例涉及通信技术，尤其涉及一种配对方法和配对系统。
背景技术
随着触控技术的发展，越来越多的电子设备采用触控方式进行人机交互。用户可以通过手指触摸电子设备的触摸屏向电子设备提供输入，还可以通过触控笔操作电子设备的触摸屏向电子设备提供输入，电子设备基于用户的输入执行相应的操作。
目前，触控笔和电子设备配对连接后，电子设备才能够检测到触控笔的输入。触控笔和电子设备可以基于蓝牙方式进行配对连接。其中，触控笔可以广播报文，报文中包括触控笔的媒体访问控制(media access control，MAC)地址，电子设备可以通过蓝牙扫描接收该报文。电子设备解析该报文得到触控笔的MAC地址，进而显示配对弹框，提醒用户对电子设备和触控笔进行配对连接。
但若触控笔周围存在多个已开启蓝牙的电子设备，该多个电子设备能够接收到触控笔广播的报文，均可以实现弹框，造成用户困扰。
发明内容
本申请实施例提供一种配对方法和配对系统，在电子设备和触控笔配对时，可以避免触控笔周围的其他电子设备显示配对弹框。
第一方面，本申请实施例提供一种配对方法，应用于配对系统，该配对系统包括：触控笔、无线键盘和电子设备，所述触控笔包括第一线圈，所述无线键盘包括第二线圈。其中，无线键盘可以通过第二线圈和第一线圈为所述触控笔充电，响应于所述无线键盘通过所述第二线圈和所述第一线圈为所述触控笔充电，所述触控笔通过所述第一线圈和所述第二线圈，向所述无线键盘发送配对请求；所述无线键盘向所述电子设备发送所述配对请求；所述电子设备基于所述配对请求，显示配对弹框，所述配对弹框用于提示用户触发所述电子设备和所述触控笔进行配对。其中，所述配对请求用于指示电子设备显示配对弹框，该配对请求中可以包括所述触控笔的媒体访问控制MAC地址。在一种实施例中，配对请求中还可以包括：触控笔的型号，以及出厂信息等。
本申请实施例中，触控笔将无线键盘作为电子设备和触控笔配对的中间装置，无线键盘可以定向地向电子设备传输触控笔的配对请求，进而实现电子设备的弹框，且能够避免触控笔周围的其他电子设备的弹框，提高用户体验。
在一种可能的实现方式中，并非所述无线键盘通过所述第二线圈和所述第一线圈每次为所述触控笔充电，触控笔就通过所述第一线圈和所述第二线圈向无线键盘发送配对请求，其中，触控笔响应于无线键盘通过所述第二线圈和所述第一线圈为所述触控笔充电，触控笔可 以获取所述触控笔与所述电子设备的连接状态，当所述触控笔与所述电子设备未连接，所述触控笔通过所述第一线圈和所述第二线圈，向所述无线键盘发送配对请求。当所述触控笔与所述电子设备连接，所述触控笔不向所述无线键盘发送配对请求。
本申请实施例中，触控笔可以智能地基于与所述电子设备的连接状态，确定是否向无线键盘发送配对请求，提高触控笔的智能性。
在该种实现方式中，触控笔可以自己检测与所述电子设备的连接状态。或者，电子设备可以检测与触控笔的连接状态，进而广播该连接状态；相应的，所述触控笔可以接收到来自电子设备的连接状态。示例性的，电子设备可以通过蓝牙信道广播连接状态，触控笔可以通过蓝牙扫描，得到来自电子设备的连接状态。
无线键盘可以通过所述第二线圈和所述第一线圈为所述触控笔充电，在一种可能的实现方式中，所述无线键盘可以基于无线协议，通过所述第二线圈和所述第一线圈为所述触控笔充电。示例性的，该无线协议可以为Qi协议，或者私有协议。
在该种实施例中，所述触控笔可以基于所述无线协议向所述无线键盘发送配对请求。其中，所述触控笔基于所述无线协议与所述无线键盘交互的任一数据包中包括所述配对请求。应理解的是，在一种可能的实现方式中，无线键盘可以基于Qi协议为触控笔充电，触控笔可以基于私有协议向所述无线键盘发送配对请求。
下述从两种可能实现的方式说明无线键盘向所述电子设备发送所述配对请求的方式：
方式一：所述无线键盘与所述电子设备无线通信连接，无线通信连接可以但不限于为：蓝牙连接、WIFI连接等。该种方式中，无线键盘在接收到来自触控笔的配对请求时，为了使得电子设备能够解析该配对请求，无线键盘可以将基于无线协议发送的配对请求，转换成为支持无线通信格式的配对请求。
其中，所述无线键盘可以解析所述配对请求，获取所述触控笔的MAC地址；将所述MAC地址封装在具有所述无线通信的格式的数据包中；所述无线键盘向所述电子设备发送具有所述无线通信的格式的数据包。
在该种方式中，电子设备基于无线通信连接接收到来自无线键盘的配对请求，可以显示配对弹框。
方式二：所述无线键盘包括第三线圈，所述电子设备包括第四线圈，所述电子设备通过所述第四线圈和所述第三线圈为所述无线键盘充电，或者，所述无线键盘通过所述第三线圈和所述第四线圈为所述电子设备充电。该种方式中，所述无线键盘通过所述第三线圈和所述第四线圈，向所述电子设备发送所述配对请求。
其中，所述无线键盘基于无线协议向所述电子设备发送所述配对请求。该无线协议可以与上述触控笔发送配对请求采用的无线协议相同或不同。所述无线键盘基于所述无线协议与所述电子设备交互的任一数据包中包括所述配对请求。
在该种方式中，电子设备基于第四线圈接收到来自无线键盘的配对请求，可以检测所述电子设备是否打开无线通信功能，因为电子设备需要基于该无线通信功能与触控笔配对连接。其中，无线通信功能可以为蓝牙功能、WIFI功能等。其中，若电子设备未打开无线通信功能，则可以输出提示弹框，该提示弹框用于提示用户打开所述电子设备的无线通信功能。若电子设备打开无线通信功能，则可以输出配对弹框。
第二方面，本申请实施例提供一种配对方法，应用于触控笔，所述触控笔包括第一线圈，无线键盘包括第二线圈，该方法包括：响应于所述无线键盘通过所述第二线圈和所述第一线圈为所述触控笔充电，所述触控笔通过所述第一线圈和所述第二线圈，向所述无线键盘发送 配对请求。
在一种可能的实现方式中，所述触控笔通过所述第一线圈和所述第二线圈，向所述无线键盘发送配对请求之前，还包括：所述触控笔获取所述触控笔与所述电子设备的连接状态。
所述向所述无线键盘发送配对请求，包括：响应于所述触控笔与所述电子设备未连接，所述触控笔通过所述第一线圈和所述第二线圈，向所述无线键盘发送配对请求。
在一种可能的实现方式中，所述触控笔获取所述触控笔与所述电子设备的连接状态，包括：所述触控笔检测所述连接状态。
在一种可能的实现方式中，所述触控笔获取所述触控笔与所述电子设备的连接状态，包括：所述触控笔接收所述电子设备广播的所述连接状态。
在一种可能的实现方式中，所述向所述无线键盘发送配对请求，包括：所述触控笔基于所述无线协议向所述无线键盘发送配对请求。
在一种可能的实现方式中，所述触控笔基于所述无线协议与所述无线键盘交互的任一数据包中包括所述配对请求。
在一种可能的实现方式中，所述配对请求包括所述触控笔的媒体访问控制MAC地址。
第三方面，本申请实施例提供一种配对方法，应用于无线键盘，触控笔包括第一线圈，所述无线键盘包括第二线圈，该方法包括：
所述无线键盘通过第二线圈接收来自所述触控笔的配对请求，向所述电子设备发送所述配对请求。
在一种可能的实现方式中，所述无线键盘通过所述第二线圈和所述第一线圈为所述触控笔充电，包括：所述无线键盘基于无线协议，通过所述第二线圈和所述第一线圈为所述触控笔充电；所述无线键盘通过第二线圈接收来自所述触控笔的配对请求，包括：所述触控笔基于所述无线协议，通过第二线圈接收来自所述触控笔的配对请求。
在一种可能的实现方式中，所述触控笔基于所述无线协议与所述无线键盘交互的任一数据包中包括所述配对请求。
在一种可能的实现方式中，所述配对请求包括所述触控笔的媒体访问控制MAC地址。
在一种可能的实现方式中，所述无线键盘与所述电子设备无线通信连接；所述无线键盘向所述电子设备发送所述配对请求之前，还包括：所述无线键盘解析所述配对请求，获取所述触控笔的MAC地址；将所述MAC地址封装在具有所述无线通信的格式的数据包中；所述无线键盘向所述电子设备发送所述配对请求，包括：所述无线键盘向所述电子设备发送具有所述无线通信的格式的数据包。
在一种可能的实现方式中，所述无线键盘包括第三线圈，所述电子设备包括第四线圈，所述电子设备通过所述第四线圈和所述第三线圈为所述无线键盘充电，所述无线键盘向所述电子设备发送所述配对请求，包括：所述无线键盘通过所述第三线圈和所述第四线圈，向所述电子设备发送所述配对请求。
在一种可能的实现方式中，所述向所述电子设备发送所述配对请求，包括：所述无线键盘基于无线协议向所述电子设备发送所述配对请求。
在一种可能的实现方式中，所述无线键盘基于所述无线协议与所述电子设备交互的任一数据包中包括所述配对请求。
第四方面，本申请实施例提供一种配对方法，应用于电子设备，该方法包括：
所述电子设备接收来自无线键盘的配对请求；所述电子设备基于所述配对请求，显示配对弹框，所述配对弹框用于提示用户触发所述电子设备和所述触控笔进行配对。
在一种可能的实现方式中，所述电子设备检测所述连接状态，且广播所述连接状态。
在一种可能的实现方式中，所述无线键盘与所述电子设备无线通信连接；所述电子设备接收来自无线键盘的配对请求，包括：所述电子设备接收具有所述无线通信的格式的数据包，所述数据包中包括所述配对请求。
在一种可能的实现方式中，所述无线键盘包括第三线圈，所述电子设备包括第四线圈，所述电子设备通过所述第四线圈和所述第三线圈为所述无线键盘充电，；所述电子设备接收来自无线键盘的配对请求，包括：所述电子设备通过所述第四线圈，接收来自所述无线键盘的所述配对请求。
在一种可能的实现方式中，所述配对请求是所述无线键盘基于无线协议向所述电子设备发送的。
在一种可能的实现方式中，所述无线键盘基于所述无线协议与所述电子设备交互的任一数据包中包括所述配对请求。
在一种可能的实现方式中，所述方法还包括：所述电子设备响应于接收到来自所述无线键盘的所述配对请求，检测所述电子设备是否打开无线通信功能；若否，则所述电子设备输出提示弹框，所述提示弹框用于提示用户打开所述电子设备的无线通信功能。
在一种可能的实现方式中，所述配对请求包括所述触控笔的媒体访问控制MAC地址。
第五方面，本申请实施例提供一种触控笔，包括：处理器和存储器；所述存储器存储计算机执行指令；所述处理器执行所述存储器存储的计算机执行指令，使得所述处理器执行如第二方面所述的方法。
第六方面，本申请实施例提供一种无线键盘，包括：处理器和存储器；所述存储器存储计算机执行指令；所述处理器执行所述存储器存储的计算机执行指令，使得所述处理器执行如第三方面所述的方法。
第七方面，本申请实施例提供一种电子设备，包括：处理器和存储器；所述存储器存储计算机执行指令；所述处理器执行所述存储器存储的计算机执行指令，使得所述处理器执行如第四方面所述的方法。
第八方面，本申请实施例提供一种配对系统，该配对系统包括如上第五方面所述的触控笔、第六方面所述的无线键盘，以及第七方面所述的电子设备，该系统可以执行上述第一方面的方法。
第九方面，本申请实施例提供一种包含指令的计算机程序产品，当其在计算机上运行时，使得计算机执行上述第二方面至第四方面的方法。
第十方面，本申请实施例提供一种计算机可读存储介质，所述计算机可读存储介质中存储有指令，当其在计算机上运行时，使得计算机执行上述第二方面至第四的方法。
上述第二方面至第十方面的各可能的实现方式，其有益效果可以参见上述第一方面和第一方面的各可能的实现方式所带来的有益效果，在此不加赘述。
本申请实施例提供了一种配对方法和配对系统，配对系统包括：触控笔、无线键盘和电子设备，触控笔包括第一线圈，无线键盘包括第二线圈，该方法包括：响应于无线键盘通过第二线圈和第一线圈为触控笔充电，触控笔通过第一线圈和第二线圈，向无线键盘发送配对请求；无线键盘向电子设备发送配对请求；电子设备基于配对请求，显示配对弹框，配对弹框用于提示用户触发电子设备和触控笔进行配对。本申请实施例中，触控笔将无线键盘作为电子设备和触控笔配对的中间装置，无线键盘可以定向地向电子设备传输触控笔的配对请求，进而达到电子设备弹框，且避免触控笔周围的其他电子设备的弹框的目的，提高用户体验。
附图说明
图1为本申请实施例提供的一种场景示意图；
图2A为本申请实施例提供的触控笔的结构示意图；
图2B为本申请实施例提供的触控笔的部分拆分结构示意图；
图3为本申请实施例提供的触控笔与电子设备交互的示意图；
图4为本申请实施例提供的触控笔与无线键盘的装配示意图；
图5A为本申请实施例提供的触控笔收纳在无线键盘的收纳部中的示意图；
图5B为本申请实施例提供的电子设备、触控笔以及无线键盘的侧面示意图；
图6为本申请实施例提供的触控笔的硬件结构示意图；
图7为本申请实施例提供的电子设备的硬件结构示意图；
图8为本申请实施例提供的无线键盘的硬件结构示意图；
图9为目前触控笔和电子设备的一种配对示意图；
图10A为本申请实施例提供的一种触控笔和无线键盘的结构示意图；
图10B为本申请实施例提供的一种触控笔、无线键盘和电子设备的结构示意图；
图11为本申请实施例提供的一种触控笔和电子设备的配对方法的一实施例的流程示意图；
图12为本申请实施例提供的电子设备、触控笔以及无线键盘交互的一种示意图；
图13为本申请实施例提供的电子设备、触控笔以及无线键盘交互的一种示意图；
图14为本申请实施例提供的电子设备的一种界面示意图；
图15为本申请实施例提供的电子设备的另一种界面示意图。
具体实施方式
图1为本申请实施例适用的一种场景示意图。参照图1，该场景中包括触控笔(stylus)100、电子设备200和无线键盘300。图1中以电子设备200为平板电脑(tablet)为例进行说明。触控笔100和无线键盘300可以向电子设备200提供输入，电子设备200基于触控笔100或无线键盘300的输入，执行响应于该输入的操作。无线键盘300上可以设置触控区域，触控笔100可以操作无线键盘300的触控区域，向无线键盘300提供输入，无线键盘300可以基于触控笔100的输入执行响应于该输入的操作。在一种实施例中，触控笔100和电子设备200之间、触控笔100和无线键盘300之间，以及电子设备200和无线键盘300之间，可以通过通信网络进行互联，以实现无线信号的交互。该通信网络可以但不限于为：WI-FI热点网络、WI-FI点对点(peer-to-peer，P2P)网络、蓝牙网络、zigbee网络或近场通信(near field communication，NFC)网络等近距离通信网络。
触控笔100可以但不限于为：电感笔和电容笔。电子设备200具有触控屏201，触控笔100为电感笔时，与触控笔100交互的电子设备200的触控屏201上需要集成电磁感应板。电磁感应板上的分布有线圈，电感笔中也集成有线圈。基于电磁感应原理，在电磁感应板所产生的磁场范围内，随着电感笔的移动，电感笔能够积蓄电能。电感笔可以将积蓄的电能通过自由震荡，经电感笔中的线圈传输至电磁感应板。电磁感应板可以基于来自电感笔的电能，对电磁感应板上的线圈进行扫描，计算出电感笔在触控屏201上的位置。电子设备200中的触控屏201也可以称为触摸屏，触控笔201可以称为手写笔。
电容笔可以包括：无源电容笔和有源电容笔。无源电容笔可以称为被动式电容笔，有源电容笔可以称为主动式电容笔。
主动式电容笔中(例如笔尖内)可以设置一个或多个电极，主动式电容笔可以通过电极发射信号。触控笔100为主动式电容笔时，与触控笔100交互的电子设备200的触控屏201上需要集成电极阵列。在一种实施例中，电极阵列可以为电容式电极阵列。电子设备200通过电极阵列可以接收来自主动式电容笔的信号，进而在接收到该信号时，基于触控屏201上的电容值的变化识别主动式电容笔在触控屏上的位置，以及主动式电容笔的倾角。
图2A为本申请实施例提供的触控笔的结构示意图。参照图2A所示，触控笔100可以包括笔尖10、笔杆20和后盖30。笔杆20的内部为中空结构，笔尖10和后盖30分别位于笔杆20的两端，后盖30与笔杆20之间可以通过插接或者卡合方式，笔尖10与笔杆20之间的配合关系详见图2B的描述。
图2B为本申请实施例提供的触控笔的部分拆分结构示意图。参照图2B所示，触控笔100还包括主轴组件50，主轴组件50位于笔杆20内，且主轴组件50在笔杆20内可滑动设置。主轴组件50上具有外螺纹51，笔尖10包括书写端11和连接端12，其中，笔尖10的连接端12具有与外螺纹51配合的内螺纹(未示出)。
当主轴组件50装配到笔杆20内时，笔尖10的连接端12伸入笔杆20内且与主轴组件50的外螺纹51螺纹连接。在一些其他示例中，笔尖10的连接端12与主轴组件50之间还可以通过卡合等可拆卸方式实现连接。通过笔尖10的连接端12与主轴组件50之间可拆卸相连，这样实现了对笔尖10的更换。
其中，为了对笔尖10的书写端11受到的压力进行检测，参照图2A所示，笔尖10与笔杆20之间具有间隙10a，这样可以确保笔尖10的书写端11受到外力时，笔尖10可以朝向笔杆20移动，笔尖10的移动会带动主轴组件50在笔杆20内移动。而对外力的检测，参照图2B所示，在主轴组件50上设有压感组件60，压感组件60的部分与笔杆20内的固定结构固定相连，压感组件60的部分与主轴组件50固定相连。这样，主轴组件50随着笔尖10移动时，由于压感组件60的部分与笔杆20内的固定结构固定相连，所以主轴组件50的移动会驱动压感组件60形变，压感组件60的形变传递给电路板70(例如，压感组件60与电路板70之间可以通过导线或者柔性电路板实现电连接)，电路板70根据压感组件60形变检测出笔尖10的书写端11的压力，从而根据笔尖10书写端11的压力控制书写端11的线条粗细。
需要说明的是，笔尖10的压力检测包括但不限于上述方法。例如，还可以通过在笔尖10的书写端11内设置压力传感器，由压力传感器检测笔尖10的压力。
本实施例中，参照图2B所示，触控笔100还包括多个电极，多个电极例如可以为第一发射电极41、接地电极43和第二发射电极42。第一发射电极41、接地电极43和第二发射电极42均与电路板70电连接。第一发射电极41可以位于笔尖10内且靠近书写端11，电路板70可以被配置为可以分别向第一发射电极41和第二发射电极42提供信号的控制板，第一发射电极41用于发射第一信号，当第一发射电极41靠近电子设备200的触控屏201时，第一发射电极41与电子设备200的触控屏201之间可以形成耦合电容，这样电子设备200可以接收到第一信号。其中，第二发射电极42用于发射第二信号，电子设备200根据接收到的第二信号可以判断触控笔100的倾斜角度。本申请实施例中，第二发射电极42可以位于笔杆20的内壁上。在一种示例中，第二发射电极42也可以位于主轴组件50上。
接地电极43可以位于第一发射电极41和第二发射电极42之间，或者，接地电极43可以位于第一发射电极41和第二发射电极42的外周围，接地电极43用于降低第一发射电极41和第二 发射电极42相互之间的耦合。
当电子设备200接收来自触控笔100的第一信号时，触控屏201对应位置处的电容值会发生变化。据此，电子设备200可以基于触控屏201上的电容值的变化，确定触控笔100(或触控笔100的笔尖)在触控屏201上的位置。另外，电子设备200可以采用倾角检测算法中的双笔尖投影方法获取触控笔100的倾斜角度。其中，第一发射电极41和第二发射电极42在触控笔100中的位置不同，因此当电子设备200接收来自触控笔100的第一信号和第二信号时，触控屏201上两个位置处的电容值会发生变化。电子设备200可以根据第一发射电极41和第二发射电极42之间的距离，以及触控屏201上电容值发生变化的两个位置处之间的距离，获取触控笔100的倾斜角度，更为详细的获取触控笔100的倾斜角度可以参照现有技术中双笔尖投影方法的相关描述。
本申请实施例中，参照图2B所示，触控笔100还包括：电池组件80，电池组件80用于向电路板70提供电源。其中，电池组件80可以包括锂离子电池，或者，电池组件80可以包括镍铬电池、碱性电池或镍氢电池等。在一种实施例中，电池组件80包括的电池可以为可充电电池或一次性电池，其中，当电池组件80包括的电池为可充电电池时，触控笔100可以通过无线充电方式对电池组件80中的电池进行充电。
其中，触控笔100为主动式电容笔时，参照图3，电子设备200和触控笔100无线连接后，电子设备200可以通过触控屏201上集成的电极阵列向触控笔100发送上行信号。触控笔100可以通过接收电极接收该上行信号，且触控笔100通过发射电极(例如第一发射电极41和第二发射电极42)发射下行信号。下行信号包括上述的第一信号和第二信号。当触控笔100的笔尖10接触触控屏201时，触控屏201对应位置处的电容值会发生变化，电子设备200可以基于触控屏201上的电容值，确定触控笔100的笔尖10在触控屏201上的位置。在一种实施例中，上行信号和下行信号可以为方波信号。
在一种实施例中，参照图4所示，无线键盘300可以包括第一部分301和第二部分302。示例性的，如无线键盘300可以包括：键盘主体和键盘套。第一部分301可以为键盘套，第二部分302为键盘主体。第一部分301用于放置电子设备200，第二部分302上可以设置有用于用户操作的按键、触控板等。
其中，无线键盘300使用时，需要将无线键盘300的第一部分301和第二部分302打开，而无线键盘300不使用时，无线键盘300的第一部分301和第二部分302能够合上。在一种实施例中，无线键盘300的第一部分301与第二部分302之间可以转动相连。例如，第一部分301与第二部分302之间可以通过转轴或者铰链相连，或者，在一些示例中，第一部分301与第二部分302之间通过柔性材料(例如皮质材料或布材料)实现转动相连。或者，在一些示例中，第一部分301与第二部分302可以一体成型，且第一部分301与第二部分302之间的连接处通过减薄处理，使得第一部分301与第二部分302之间的连接处可以弯折。其中，第一部分301和第二部分302之间的连接方式可以包括但不限于上述的几种转动连接方式。
其中，第一部分301可以包括至少两个转动相连的支架。例如，参照图4所示，第一部分301包括第一支架301a和第二支架301b，第一支架301a和第二支架301b之间转动相连，在使用时，可以采用第一支架301a和第二支架301b共同对电子设备200进行支撑(参照图1)。或者，第一支架301a对第二支架301b提供支撑，第二支架301b对电子设备200进行支撑。参照图4所示，第二支架301b与第二部分302之间转动相连。
其中，参照图4所示，为了便于对触控笔100进行收纳，无线键盘300上可以设置有收纳触控笔100的收纳部303。参照图4所示，收纳部303为筒状的腔体，收纳时，触控笔100沿着图4 中的箭头方向插入收纳腔体中。本实施例中，参照图4所示，第二部分302和第二支架301b之间通过连接部304转动连接，连接部304中设置有收纳部303。其中，连接部304可以为转轴。
图5A为本申请实施例提供的触控笔收纳在无线键盘的收纳部中的示意图，图5B为本申请实施例提供的触控笔收纳在无线键盘的收纳部时的侧面示意图。参照图5B所示，收纳部303为圆形腔体，且收纳部303的内径大于触控笔100的外径。
其中，为了避免触控笔100放置于收纳部303中掉落，在一种实施例中，收纳部303的内壁上可以设置有磁性材料，触控笔100中可以设置磁性材料。触控笔100通过磁性材料之间的磁性吸附作用吸附在收纳部303内。当然，在一些示例中，触控笔100与收纳部303之间固定时，包括但不限于采用磁力吸附实现固定，例如，触控笔100与收纳部303之间还可以通过卡合方式实现固定。
其中，为了方便触控笔100从收纳部303中取出，收纳部303内可以设置弹出结构，例如，按压触控笔100的一端，弹出机构可以驱动触控笔100的一端从收纳部303向外弹出。
图6为本申请实施例提供的一种触控笔的硬件结构示意图。参照图6所示，触控笔100可以具有处理器110。处理器110可以包括用于支持触控笔100的操作的存储和处理电路。存储和处理电路可以包括诸如非易失性存储器的存储装置(例如，闪存存储器或构造为固态驱动器的其它电可编程只读存储器)、易失性存储器(例如，静态或动态随机存取存储器)等。处理器110中的处理电路可以用来控制触控笔100的操作。处理电路可以基于一个或多个微处理器、微控制器、数字信号处理器、基带处理器、电源管理单元、音频芯片、专用集成电路等。
触控笔100中可以包括一个或多个传感器。例如，传感器可以包括压力传感器120。压力传感器120可以设置在触控笔100的书写端11(如图2B所示)。当然，压力传感器120还可以设在触控笔100的笔杆20内，这样，触控笔100的笔尖10一端受力后，笔尖10的另一端移动将力作用到压力传感器120。在一种实施例中，处理器110根据压力传感器120检测到的压力大小可以调整触控笔100的笔尖10书写时的线条粗细。
传感器也可以包括惯性传感器130。惯性传感器130可以包括三轴加速计和三轴陀螺仪，和/或，用于测量触控笔100的运动的其它部件，例如，三-轴磁力计可以以九-轴惯性传感器的构造被包括在传感器中。传感器也可以包括附加的传感器，诸如温度传感器、环境光传感器、基于光的接近传感器、接触传感器、磁传感器、压力传感器和/或其它传感器。
触控笔100中可以包括如发光二极管的状态指示器140和按钮150。状态指示器140用于向用户提示触控笔100的状态。按钮150可以包括机械按钮和非机械按钮，按钮150可以用于从用户收集按钮按压信息。
本申请实施例中，触控笔100中可以包括一个或多个电极160(具体可以参照图2B中的描述)，其中一个电极160可以位于触控笔100的书写端处，其中一个电极160可以位于笔尖10内，可以参照上述的相关描述。
触控笔100中可以包括感测电路170。感测电路170可感测位于电极160和与触控笔100交互的电容触摸传感器面板的驱动线之间的电容耦合。感测电路170可以包括用以接收来自电容触摸传感器面板的电容读数的放大器、用以生成解调信号的时钟、用以生成相移的解调信号的相移器、用以使用同相解调频率分量来解调电容读数的混频器、以及用以使用正交解调频率分量来解调电容读数的混频器等。混频器解调的结果可用于确定与电容成比例的振幅，使得触控笔100可以感测到与电容触摸传感器面板的接触。
可以理解的是，根据实际需求，在触控笔100可以包括麦克风、扬声器、音频发生器、 振动器、相机、数据端口以及其它设备。用户可以通过利用这些设备提供命令来控制触控笔100和与触控笔100交互的电子设备200的操作，并且接收状态信息和其它输出。
处理器110可以用于运行触控笔100上的控制触控笔100的操作的软件。触控笔100的操作过程中，运行在处理器110上的软件可以处理传感器输入、按钮输入和来自其它装置的输入以监视触控笔100的移动和其它用户输入。在处理器110上运行的软件可以检测用户命令并且可以与电子设备200通信。
为了支持触控笔100与电子设备200的无线通信，触控笔100可以包括无线模块。图6中以无线模块为蓝牙模块180为例进行说明。无线模块还可以为WI-FI热点模块、WI-FI点对点模块等。蓝牙模块180可以包括射频收发器，例如收发器。蓝牙模块180也可以包括一个或多个天线。收发器可以利用天线发射和/或接收无线信号，无线信号基于无线模块的类型，可以是蓝牙信号、无线局域网信号、诸如蜂窝电话信号的远程信号、近场通信信号或其它无线信号。
触控笔100还可以包括充电模块190，充电模块190可以支持触控笔100的充电，为触控笔100提供电力。
应理解，本申请实施例中的电子设备200可以称为用户设备(user equipment，UE)、终端(terminal)等，例如，电子设备200可以为平板电脑(portable android device，PAD)、个人数字处理(personal digital assistant，PDA)、具有无线通信功能的手持设备、计算设备、车载设备或可穿戴设备，虚拟现实(virtual reality，VR)终端设备、增强现实(augmented reality，AR)终端设备、工业控制(industrial control)中的无线终端、无人驾驶(self driving)中的无线终端、远程医疗(remote medical)中的无线终端、智能电网(smart grid)中的无线终端、运输安全(transportation safety)中的无线终端、智慧城市(smart city)中的无线终端、智慧家庭(smart home)中的无线终端等具有触控屏的移动终端或固定终端。本申请实施例中对终端设备的形态不做具体限定。
图7为本申请实施例提供的一种电子设备的硬件结构示意图。参照图7，电子设备200可以包括多个子系统，这些子系统协作以执行、协调或监控电子设备202的一个或多个操作或功能。电子设备200包括处理器210、输入表面220、协调引擎230、电源子系统240、电源连接器250、无线接口260和显示器270。
示例性的，协调引擎230可以用于与电子设备200的其他子系统进行通信和/或处理数据；与触控笔100通信和/或交易数据；测量和/或获得一个或多个模拟或数字传感器(诸如触摸传感器)的输出；测量和/或获得传感器节点阵列(诸如电容感测节点的阵列)的一个或多个传感器节点的输出；接收和定位来自触控笔100的尖端信号和环信号；基于尖端信号交叉区域和环形信号交叉区域的位置来定位触控笔100等。
电子设备200的协调引擎230包括或以其他方式可通信地耦接至位于输入表面220下方或与该输入表面集成一体的传感器层。协调引擎230利用传感器层对输入表面220上的触控笔100进行定位，并使用本文所述的技术来估计触控笔100相对于输入表面220的平面的角位置。在一种实施例中，输入表面220可以称为触控屏201。
例如，电子设备200的协调引擎230的传感器层是布置为列和行的电容感测节点网格。更具体地说，列迹线阵列被设置成垂直于行迹线阵列。传感器层可以与电子设备的其他层分开，或者传感器层可以直接设置在另一个层上，其他层诸如但不限于：显示器叠堆层、力传感器层、数字转换器层、偏光器层、电池层、结构性或装饰性外壳层等。
传感器层能够以多种模式操作。如果以互电容模式操作，则列迹线和行迹线在每个重叠 点(例如，“垂直”互电容)处形成单个电容感测节点。如果以自电容模式操作，则列迹线和行迹线在每个重叠点处形成两个(垂直对齐的)电容感测节点。在另一个实施方案中，如果以互电容模式操作，则相邻的列迹线和/或相邻的行迹线可各自形成单个电容感测节点(例如，“水平”互电容)。如上所述，传感器层可以通过监测在每个电容感测节点处呈现的电容(例如，互电容或自电容)变化来检测触控笔100的笔尖10的存在和/或用户手指的触摸。在许多情况下，协调引擎230可被配置为经由电容耦合来检测通过传感器层从触控笔100接收的尖端信号及环信号。
其中，尖端信号和/或环信号可以包括可被配置为令电子设备200识别触控笔100的特定信息和/或数据。此类信息在本文通常被称为“触笔身份”信息。该信息和/或数据可以由传感器层接收，并由协调引擎230解译、解码和/或解调。
处理器210可以使用触笔身份信息来同时接收来自一支以上的触笔的输入。具体地，协调引擎230可被配置为将由协调引擎230检测到的若干触笔中的每个触笔的位置和/或角位置传输给处理器210。在其他情况下，协调引擎230还可以向处理器210传输与由协调引擎230检测到的多个触笔的相对位置和/或相对角位置有关的信息。例如，协调引擎220可以通知处理器210所检测的第一触控笔位于距离所检测的第二触控笔的位置。
在其他情况下，端信号和/或环信号还可以包括用于令电子设备200识别特定用户的特定信息和/或数据。此类信息在本文通常被称为“用户身份”信息。
协调引擎230可以将用户身份信息(如果检测到和/或可复原的话)转发到处理器210。如果用户身份信息不能从尖端信号和/或环信号中复原，则协调引擎230可以可选地向处理器210指示用户身份信息不可用。处理器210能够以任何合适的方式利用用户身份信息(或不存在该信息的情况)，包括但不限于：接受或拒绝来自特定用户的输入，允许或拒绝访问电子设备的特定功能等。处理器210可以使用用户身份信息来同时接收来自一个以上的用户的输入。
在另外的其他情况下，尖端信号和/或环信号可以包括可被配置为令电子设备200识别用户或触控笔100的设置或偏好的特定信息和/或数据。此类信息在本文通常被称为“触笔设置”信息。
协调引擎230可以将触笔设置信息(如果检测到和/或可复原的话)转发到处理器210。如果触笔设置信息不能从尖端信号和/或环信号中复原，则协调引擎230可以可选地向处理器210指示触笔设置信息不可用。电子设备200能够以任何合适的方式利用触笔设置信息(或不存在该信息的情况)，包括但不限于：将设置应用于电子设备，将设置应用于在电子设备上运行的程序，改变由电子设备的图形程序所呈现的线条粗细、颜色、图案，改变在电子设备上操作的视频游戏的设置等。
一般而言，处理器210可被配置为执行、协调和/或管理电子设备200的功能。此类功能可以包括但不限于：与电子设备200的其他子系统通信和/或交易数据，与触控笔100通信和/或交易数据，通过无线接口进行数据通信和/或交易数据，通过有线接口进行数据通信和/或交易数据，促进通过无线(例如，电感式、谐振式等)或有线接口进行电力交换，接收一个或多个触笔的位置和角位置等。
处理器210可被实现为能够处理、接收或发送数据或指令的任何电子设备。例如，处理器可以是微处理器、中央处理单元、专用集成电路、现场可编程门阵列、数字信号处理器、模拟电路、数字电路或这些设备的组合。处理器可以是单线程或多线程处理器。处理器可以是单核或多核处理器。
在使用期间，处理器210可被配置为访问存储有指令的存储器。该指令可被配置为使处 理器执行、协调或监视电子设备200的一个或多个操作或功能。
存储在存储器中的指令可被配置为控制或协调电子设备200的其他部件的操作，该部件诸如但不限于：另一处理器、模拟或数字电路、易失性或非易失性存储器模块、显示器、扬声器、麦克风、旋转输入设备、按钮或其他物理输入设备、生物认证传感器和/或系统、力或触摸输入/输出部件、通信模块(诸如无线接口和/或电源连接器)，和/或触觉或触觉反馈设备。
存储器还可存储可由触笔或处理器使用的电子数据。例如，存储器可以存储电子数据或内容(诸如媒体文件、文档和应用程序)、设备设置和偏好、定时信号和控制信号或者用于各种模块的数据、数据结构或者数据库，与检测尖端信号和/或环信号相关的文件或者配置等等。存储器可被配置为任何类型的存储器。例如，存储器可被实现作为随机存取存储器、只读存储器、闪存存储器、可移动存储器、其他类型的存储元件或此类设备的组合。
电子设备200还包括电源子系统240。电源子系统240可包括电池或其它电源。电源子系统240可被配置为向电子设备200提供电力。电源子系统240还可耦接到电源连接器250。电源连接器250可以是任何合适的连接器或端口，其可被配置为从外部电源接收电力并且/或者被配置为向外部负载提供电力。例如，在一些实施方案中，电源连接器250可以用于对电源子系统240内的电池进行再充电。在另一个实施方案中，电源连接器250可以用于将存储在(或可用于)电源子系统240内的电力传输到触控笔100。
电子设备200还包括无线接口260，以促进电子设备200与触控笔100之间的电子通信。在一个实施方案中，电子设备200可被配置为经由低能量蓝牙通信接口或近场通信接口与触控笔100通信。在其他示例中，通信接口有利于电子设备200与外部通信网络、设备或平台之间的电子通信。
无线接口260(无论是电子设备200与触控笔100之间的通信接口还是另外的通信接口)可被实现为一个或多个无线接口、蓝牙接口、近场通信接口、磁性接口、通用串行总线接口、电感接口、谐振接口，电容耦合接口、Wi-Fi接口、TCP/IP接口、网络通信接口、光学接口、声学接口或任何传统的通信接口。
电子设备200还包括显示器270。显示器270可以位于输入表面220后方，或者可以与其集成一体。显示器270可以通信地耦接至处理器210。处理器210可以使用显示器270向用户呈现信息。在很多情况下，处理器210使用显示器270来呈现用户可以与之交互的界面。在许多情况下，用户操纵触控笔100与界面进行交互。
对于本领域的技术人员而言将显而易见的是，上文关于电子设备200所呈现的具体细节中的一些细节可为实践特定的所述实施方案或其等同物所不需要的。类似地，其他电子设备可以包括更多数量的子系统、模块、部件等。在适当的情况下，一些子模块可以被实现为软件或硬件。因此，应当理解，上述描述并非旨在穷举或将本公开限制于本文所述的精确形式。相反，对于本领域的普通技术人员而言将显而易见的是，根据上述教导内容，许多修改和变型是可能的。
图8为本申请实施例提供的一种无线键盘的硬件结构示意图。参照图8，该无线键盘300可以包括处理器310，存储器320，充电接口330，充电管理模块340，无线充电线圈350，电池360，无线通信模块370，触控板380，键盘390。
其中，上述处理器310，存储器320，充电接口330，充电管理模块340，电池360，无线通信模块370，触控板380，键盘390等均可以设置在无线键盘300的键盘主体(即如图4所示的第二部分302)上。上述无线充电线圈350可以设置在用于活动连接键盘主体和支架 的连接部304(如图4所示)中。可以理解的是，本实施例示意的结构并不构成对无线键盘300的具体限定。在另一些实施例中，无线键盘300可以包括比图示更多或更少的部件，或者组合某些部件，或者拆分某些部件，或者不同的部件布置。图示的部件可以以硬件，软件或软件和硬件的组合实现。
其中，存储器320可以用于存储程序代码，如用于为触控笔100无线充电的程序代码等。存储器320中还可以存储有用于唯一标识无线键盘300的蓝牙地址。另外，该存储器320中还可以存储有与无线键盘300之前成功配对过的电子设备的连接数据。例如，该连接数据可以为与该无线键盘300成功配对过的电子设备的蓝牙地址。基于该连接数据，无线键盘300能够与该电子设备自动配对，而不必配置与其之间的连接，如进行合法性验证等。上述蓝牙地址可以为媒体访问控制(media access control，MAC)地址。
处理器310可以用于执行上述应用程序代码，调用相关模块以实现本申请实施例中无线键盘300的功能。例如，实现无线键盘300有线充电功能，反向无线充电功能，无线通信功能等。处理器310可以包括一个或多个处理单元，不同的处理单元可以是独立的器件，也可以集成在一个或多个处理器310中。处理器310具体可以是集成的控制芯片，也可以由包括各种有源和/或无源部件的电路组成，且该电路被配置为执行本申请实施例描述的属于处理器310的功能。其中，无线键盘300的处理器可以是微处理器。
无线通信模块370可以用于支持无线键盘300与其他电子设备之间包括蓝牙(bluetooth，BT)，全球导航卫星系统(global navigation satellite system，GNSS)，无线局域网(wireless local area networks，WLAN)(如无线保真(wireless fidelity，Wi-Fi)网络)，调频(frequency modulation，FM)，近距离无线通信技术(near field communication，NFC)，红外技术(infrared，IR)等无线通信的数据交换。
在一些实施例中，该无线通信模块370可以为蓝牙芯片。该无线键盘300可以是蓝牙键盘。无线键盘300可以通过该蓝牙芯片与其他电子设备的蓝牙芯片之间进行配对并建立无线连接，以通过该无线连接实现无线键盘300和其他电子设备之间的无线通信。
另外，无线通信模块370还可以包括天线，无线通信模块370经由天线接收电磁波，将电磁波信号调频以及滤波处理，将处理后的信号发送到处理器310。无线通信模块370还可以从处理器310接收待发送的信号，对其进行调频，放大，经天线转为电磁波辐射出去。
在一些实施例中，无线键盘300可以支持有线充电。具体的，充电管理模块340可以通过充电接口330接收有线充电器的充电输入。
在另一些实施例中，无线键盘300可以支持正向无线充电。充电管理模块340可以通过无线键盘300的无线充电线圈350接收无线充电输入。具体的，充电管理模块340与无线充电线圈350通过匹配电路连接。无线充电线圈350可以与上述无线充电器的无线充电线圈耦合，感应无线充电器的无线充电线圈350发出的交变电磁场，产生交变电信号。无线充电线圈350产生的交变电信号经过匹配电路传输至充电管理模块340，以便为电池330无线充电。
其中，充电管理模块340为电池330充电的同时，还可以为无线键盘300供电。充电管理模块340接收电池330的输入，为处理器310，存储器320，外部存储器和无线通信模块370等供电。充电管理模块340还可以用于监测电池360的电池容量，电池循环次数，电池健康状态(漏电，阻抗)等参数。在其他一些实施例中，充电管理模块340也可以设置于处理器310中。
在另一些实施例中，无线键盘300可以支持反向无线充电。具体的，充电管理模块340还可以接收充电接口330或者电池360的输入，将充电接口330或者电池360输入的直流电 信号转换为交流电信号。该交流电信号经过匹配电路传输至无线充电线圈350。无线充电线圈350接收到该交流电信号可以产生交变电磁场。其他移动终端的无线充电线圈感应该交变电磁场，可以进行无线充电。即无线键盘300还可以为其他移动终端无线充电。在一种实施例中，无线充电线圈350可以设置在无线键盘300的收纳部303中，触控笔100的笔杆20内设置有无线充电线圈，当触控笔100放置在收纳部303中时，无线键盘300可以通过无线充电线圈350，为触控笔100进行充电。
需要说明的是，上述匹配电路可以集成在充电管理模块340中，该匹配电路也可以独立于充电管理模块340，本申请实施例对此不作限制。图8以匹配电路可以集成在充电管理模块340中为例，示出无线键盘300的硬件结构示意图。
充电接口350，可以用于提供无线键盘300与其他电子设备(如该无线键盘300的有线充电器)之间进行充电或通信的有线连接。
上述触控板380中集成有触摸传感器。笔记本电脑可以通过触控板380和键盘390接收用户对笔记本电脑的控制命令。
可以理解的是，本申请实施例示意的结构并不构成对无线键盘300的具体限定。其可以具有比图8示出的更多的或者更少的部件，可以组合两个或更多的部件，或者可以具有不同的部件配置。例如，上述无线键盘300的壳体上还可以设置有用于收纳触控笔100的收纳腔。上述无线充电线圈350设置于上述收纳腔内，用于当触控笔100收纳于上述收纳腔内后，为该触控笔100无线充电。
又例如，在无线键盘300的外表面还可以包括按键、指示灯(可以指示电量、呼入/呼出、配对模式等状态)、显示屏(可以提示用户相关信息)等部件。其中，该按键可以是物理按键或触摸按键(与触摸传感器配合使用)等，用于触发开机、关机、开始充电、停止充电等操作。
参照图3的相关描述，触控笔与电子设备无线连接后，触控笔可以向电子设备发送下行信号，电子设备基于下行信号，可以确定触控笔的位置和倾角，进而基于触控笔的位置和倾角在触摸屏上显示书写笔迹。当触控笔未与电子设备无线连接时，触控笔无法与电子设备进行交互。触控笔与电子设备无线连接的前提是进行配对，因此，触控笔向电子设备提供输入之前，需要和电子设备进行配对和连接。
电子设备与触控笔的配对过程，为两个设备之间相互认证的过程。电子设备与触控笔配对后，电子设备与触控笔之后的连接可以不必每次都要进行配对。其中，电子设备与触控笔的配对可以采用个人识别密码(personal identification number，PIN)认证的方式进行相互认证。在电子设备与触控笔的配对后，电子设备可以根据触控笔的媒体访问控制(media access control，MAC)地址建立连接。应理解，此处对电子设备与触控笔之间进行配对和连接的过程为简述，具体可以参考蓝牙配对和连接的标准协议中的相关说明。
在一种实施例中，电子设备与触控笔具备蓝牙功能。电子设备与触控笔进行配对时，用户可以在电子设备上操作，打开电子设备的蓝牙，以扫描周围已打开蓝牙的设备。电子设备可以将扫描发现的触控笔的标识显示在界面上，用户在界面上点击需求配对的触控笔的标识，进而实现电子设备与触控笔的配对。在电子设备与触控笔的配对完成后，二者可以建立蓝牙连接。
上述由用户触发电子设备与触控笔配对的过程复杂，目前触控笔可以广播报文，电子设备基于该报文，可以主动发现触控笔，且在发现触控笔时与触控笔进行配对和连接。参照图9， 触控笔可以吸附在电子设备上。当触控笔吸附在电子设备上时，若电子设备已打开蓝牙功能，则电子设备可以显示配对弹框400。电子设备显示配对弹框的过程可以为：触控笔吸附在电子设备上时，触控笔通过蓝牙公用的信道广播报文，报文中包括触控笔的MAC地址。电子设备可以通过蓝牙低功耗(bluetooth low energy，BLE)扫描到触控笔广播的报文，进而解析该报文得到触控笔的MAC地址，基于触控笔的MAC地址，电子设备显示配对弹框，以提醒用户对触控笔和电子设备进行配对连接。其中，用户可以操作弹框，触发电子设备基于触控笔的MAC地址与触控笔进行配对连接。在这种示例中，触控笔和电子设备的配对连接是一起进行的，具体可以参照现有技术的相关描述，触控笔和电子设备的配对连接的前提是电子设备获取触控笔的MAC地址，显示配对弹框。
如上，触控笔和电子设备在配对时，采用蓝牙广播触控笔的MAC地址，若触控笔周围存在多个已打开蓝牙的电子设备，则该多个电子设备均会出现配对弹框，给用户带来不便。
在图1所示的场景中，电子设备、无线键盘和触控笔均具备蓝牙功能。在一种实施例中，参照图9的相关描述，触控笔可以通过广播报文的方式与电子设备进行配对连接，但仍会造成触控笔周围其他已打开蓝牙的电子设备的弹框。
本申请实施例中提供了一种触控笔和电子设备的配对方法，在图1所示的场景中，触控笔将无线键盘作为传输触控笔的MAC地址的中间装置，向电子设备传输触控笔的MAC地址，进而实现电子设备显示配对弹框。因为触控笔可以通过无线键盘定向地向电子设备传输触控笔的MAC地址，因此能够避免触控笔周围其他已打开蓝牙的电子设备的弹框，提高用户体验。
应理解，本申请提供的触控笔和电子设备的配对方法可以应用于电子设备和触控笔的第一次配对过程中，或者再次配对的过程中。当电子设备和触控笔配对后，电子设备和触控笔会一直保持配对状态，电子设备与触控笔之后的连接可以不必每次都进行配对。在一种实施例中，若用户重启电子设备，或者打开电子设备的飞行模式，或者触控笔与其他电子设备配对，或者电子设备和触控笔长时间断开连接等，触控笔需要重新连接该电子设备时，电子设备和触控笔需要再次配对。
在介绍本申请实施例提供的触控笔和电子设备的配对方法之前，对本申请实施例中的电子设备、无线键盘以及电子设备的结构进行进一步说明。
在一种实施例中，参照图10A，触控笔100的笔杆20中设置有第一线圈90，无线键盘300的连接部304中设置有第二线圈3031。在一种实施例中，第二线圈3031位于连接部304和收纳部303之间的空间中，或者第二线圈3031位于收纳部303中，本申请实施例对第二线圈3031的位置不做限制。当触控笔100收纳至收纳部303时，无线键盘300可以通过第二线圈3031向触控笔100传输电能，触控笔100通过第一线圈90接收来自第二线圈3031的电能，实现无线键盘300对触控笔100的充电。无线键盘300对触控笔100的充电可以参照Qi协议的相关描述。
第一线圈90可以理解为包含于图6所示的充电模块190中，在一种实施例中，第一线圈90可以与处理器110连接。第二线圈3031包含于图8所示的无线充电线圈350中，在一种实施例中，第二线圈3031可以与处理器310连接。应理解，图10A中未示出无线键盘300的其他部分。
在一种实施例中，参照图10B，无线键盘300的第一支架301a中设置有第三线圈3032，电子设备200中设置有第四线圈202。当电子设备200放置在第一支架301a上时，第三线圈3032和第四线圈202重叠，可以实现电子设备200对无线键盘300的充电。在一种实施例中，第三线圈3032包含于图8所示的无线充电线圈350中，在一种实施例中，第三线圈3032可以与处理器310连接。第四线圈202包含于图7所示的电源子系统240中，第四线圈202可以与处理器210连 接。应理解，图10B中所述的触控笔100中的第一线圈90，以及无线键盘300中的第二线圈的3031可以参照图10A中的相关描述。图10A和图10B中均以圆弧形的虚线表征线圈。
下面结合具体的实施例对本申请实施例提供的触控笔和电子设备的配对方法进行说明。下面这几个实施例可以相互结合，对于相同或相似的概念或过程可能在某些实施例不再赘述。
图11为本申请实施例提供的触控笔和电子设备的配对方法的一实施例的流程示意图。如图11所示，该触控笔和电子设备的配对方法可以包括：
S1101，触控笔通过第一线圈和第二线圈向无线键盘发送配对请求。
参照图8的相关描述，无线键盘的第二线圈中存在交流电流，第二线圈基于该交流电流，可以产生交变电磁场。参照图5A，触控笔收纳至无线键盘的收纳部后，基于电磁感应原理，第一线圈可以感应第二线圈产生的交变电磁场，第一线圈中产生感应电流，电能可以从无线键盘传输至触控笔，达到无线键盘为触控笔充电的目的。
无线键盘为触控笔充电时，触控笔可以通过第一线圈向无线键盘发送配对请求，无线键盘可以通过第二线圈接收来自第一线圈的配对请求。配对请求用于指示电子设备输出配对弹框。在一种实施例中，配对请求中可以包括触控笔的标识，该标识用于唯一表征触控笔。示例性的，触控笔的标识可以为触控笔的MAC地址，也就是说，配对请求中可以包括触控笔的MAC地址。在一种实施例中，配对请求中还可以包括触控笔的型号，以及出厂信息等。出厂信息可以包括触控笔的生产批次以及厂家信息。
在一种实施例中，参照图12中的a所示，触控笔中的处理器，用于响应于无线键盘为触控笔充电，控制第一线圈向无线键盘发送配对请求。图12中的a以虚线表征电能的传输。图12中a中触控笔中的处理器、蓝牙模块分别可以理解为上述图6中的处理器110、蓝牙模块180；无线键盘中的处理器、蓝牙模块分别可以理解为上述图8中的处理器310、无线通信模块370；电子设备中的处理器、蓝牙模块分别可以理解为上述图7中的处理器210、无线接口260。应理解，图12中在无线键盘中，以蓝牙模块示例无线通信模块370，在电子设备中，以蓝牙模块示例无线接口260。在一种实施例中，图12中的蓝牙模块均可以替换为其他无线通信模块。
在一种实施例中，触控笔可以基于Qi协议和无线键盘进行通信。目前，基于Qi协议的无线充电方式，无线键盘为触控笔充电的过程中，可以包括三个阶段，依次是ping阶段、识别和配置阶段，以及电能传输阶段。在每个阶段，触控笔和无线键盘之间可以交互数据包。示例性的，在ping阶段，触控笔和无线键盘之间可以交互信号强度数据包和终止传输数据包。在识别和配置阶段，触控笔和无线键盘之间可以交互配置数据包、身份标识数据包和终止传输数据包。在电能传输阶段，触控笔和无线键盘之间可以交互控制误差数据包和已接收功率包。其中，各阶段的数据包可以参照目前Qi协议的相关描述。在一种实施例中，触控笔可以在上述充电过程中的任一阶段的数据包中携带配对请求。
在一种实施例中，充电过程中的任一阶段的数据包中可以包括：前导部分、报头部分、数据部分以及校验和部分。示例性的，触控笔可以将配对请求携带在数据包的数据部分。其中，数据部分中可以以字段的形式携带配对请求，如该字段可以为“11:22:33:44:55:66”，以表征触控笔的MAC地址。
在一种实施例中，触控笔可以基于私有协议与无线键盘进行通信。其中，触控笔基于私有协议与无线键盘的通信的过程可以包括：握手阶段和配对阶段。在握手阶段和配对阶段中，触控笔与无线键盘可以交互数据包。其中，触控笔可以在该通信的任一阶段的数据包中携带配对请求。示例性的，该通信的任一阶段的数据包中可以包括：报头部分(header)、命令 部分(command)和数据部分(data)。示例性的，触控笔可以将配对请求携带在数据包的数据部分，数据部分中可以以字段的形式携带配对请求。
在一种实施例中，响应于无线键盘为触控笔充电，触控笔可以获取触控笔与电子设备的连接状态，该连接状态表征触控笔与电子设备是否已无线连接。在一种实施例中，响应于无线键盘为触控笔充电，触控笔可以检测是否与电子设备连接，进而得到该连接状态。或者，电子设备可以检测该连接状态，若电子设备与触控笔已无线连接，则电子设备可以向触控笔发送该连接状态。若电子设备与触控笔未无线连接，则电子设备可以广播该连接状态，使得触控笔接收该连接状态，示例性的，如电子设备通过蓝牙信道广播该连接状态，触控笔可以接收到该连接状态。下述实施例以触控笔与电子设备的无线连接为蓝牙连接为例进行说明。
若触控笔检测到与电子设备已蓝牙连接，则无线键盘为触控笔充电时，触控笔可以不向无线键盘发送配对请求。
在一种实施例中，触控笔上可以设置有配对按键，配对按键用于触发触控笔发送配对请求。无线键盘为触控笔充电时，若触控笔未与电子设备蓝牙连接，且触控笔检测到用户操作配对按键，可以通过第一线圈向无线键盘发送配对请求。
在一种实施例中，触控笔历史与电子设备配对连接后，触控笔可以存储电子设备的信息。电子设备的信息可以包括但不限于为：电子设备的MAC地址。应理解，触控笔历史与电子设备在配对连接过程中，电子设备可以向触控笔反馈电子设备的MAC地址。无线键盘为触控笔充电时，若触控笔未与电子设备蓝牙连接，则触控笔可以基于电子设备的信息，确定是否需要通过第一线圈向无线键盘发送配对请求。其中，无线键盘为触控笔充电时，触控笔可以基于存储的电子设备的MAC地址，向电子设备发送连接请求，若触控笔能够接收到来自电子设备的连接响应，则触控笔可以与电子设备建立连接，触控笔不向无线键盘发送配对请求。若触控笔未接收到来自电子设备的连接响应，则触控笔确定需要重新与该电子设备建立配对连接，则触控笔可以通过第一线圈向无线键盘发送配对请求。
S1102，无线键盘向电子设备发送配对请求。
配对请求用于指示无线键盘向电子设备发送该配对请求，也就是说，当无线键盘接收来自电子设备的配对请求时，可以向电子设备转发配对请求。
无线键盘和电子设备的结构可以参照图10A所示。在一种实施例中，无线键盘已预先与电子设备无线通信连接(如蓝牙连接)。因为来自触控笔的配对请求可以为基于Qi协议或其他私有协议发送的，因此携带配对请求的数据包格式为：Qi协议或其他私有协议支持的数据包格式。为了使得电子设备能够识别来自无线键盘的配对请求，无线键盘可以基于无线键盘和电子设备的连接方式，将来自触控笔的数据包的格式转换成电子设备能够识别的数据包的格式。在一种实施例中，如无线键盘预先与电子设备蓝牙连接，无线键盘可以将来自触控笔的数据包转换成电子设备可以识别的蓝牙数据包，进而向电子设备发送携带有配对请求的蓝牙数据包。在一种实施例中，无线键盘可以解析自触控笔的携带有配对请求的数据包，得到触控笔的MAC地址、触控笔的型号和出厂信息等。无线键盘可以将触控笔的MAC地址、触控笔的型号和出厂信息封装为蓝牙格式的数据包。
参照图12中的b，无线键盘可以基于第二线圈接收来自触控笔的配对请求，无线键盘中的处理器可以通过无线键盘中的蓝牙模块向电子设备发送配对请求，电子设备可以基于电子设备中的蓝牙模块接收配对请求。应理解，图12中的b中示例性的示出无线键盘在向电子设备发送配对请求时，无线键盘可以为触控笔进行充电。相应的，用户也可以从收纳部中拿出触控笔，图12中的b中无线键盘可以不为触控笔进行充电。
无线键盘和电子设备的结构可以参照图10B所示。在一种实施例中，当电子设备放置在无线键盘的支架B时，电子设备可以通过第四线圈向第三线圈传输电能，或者无线键盘可以通过第三线圈向第四线圈传输电能，具体可以参照图8中无线键盘的无线充电原理。在该种实施例中，无线键盘接收来自触控笔的配对请求时，可以不处理该配对请求，而是通过第三线圈直接向电子设备发送该配对请求。示例性的，无线键盘可以采用Qi协议或其他私有协议，通过第三线圈，向电子设备发送来自触控笔的携带有配对请求的数据包，具体可以参照触控笔通过第一线圈向无线键盘发送配对请求的相关描述。
参照图13中的b，无线键盘可以基于第二线圈接收来自触控笔的配对请求，无线键盘中的处理器可以通过第三线圈向电子设备发送配对请求，电子设备可以基于第四线圈接收配对请求。图13中的a可以参照图12中的a的相关描述。
相较于图12和图13，无线键盘均能够做为中间装置，将来自触控笔的配对请求转发至电子设备，图12相较于图13，图12中的电子设备无需放置在无线键盘的支架B上，也能够实现将来自触控笔的配对请求转发至电子设备，适用范围更广。
S1103，电子设备基于配对请求，显示配对弹框。
电子设备接收到来自无线键盘的配对请求，可以解析配对请求，得到触控笔的MAC地址。
在一种实施例中，电子设备基于蓝牙接收来自无线键盘转发的配对请求，或者电子设备基于第四线圈接收来自无线键盘转发的配对请求，且电子设备已打开蓝牙，电子设备可以解析配对请求得到触控笔的MAC地址时，电子设备可以显示配对弹框600，配对弹框用于提醒用户存在待配对的触控笔。如图14所示，电子设备的界面上可以显示有“是否与触控笔配对”的提示信息601，以及“确定”控件602和“取消”控件603。本申请实施例对电子设备显示配对弹框的形式不做限制。
在一种实施例中，电子设备可以基于配对请求，输出配对信息。其中，输出配对信息的方式可以但不限于为：显示配对弹框，或者以语音的方式提示用户触发电子设备和触控笔进行配对。本申请实施例对电子设备输出配对信息的方式不做具体限制。
在一种实施例中，若电子设备基于第四线圈接收来自无线键盘转发的配对请求，则电子设备可以在接收到配对请求时，检测电子设备是否打开蓝牙，“是否打开蓝牙”可以理解为是否打开蓝牙功能。其中，若电子设备未打开蓝牙，电子设备可以显示如图15所示的用于提示用户打开蓝牙的弹框500，以提示用户打开电子设备的蓝牙。当用户打开电子设备的蓝牙后，电子设备可以显示上述图14所示的界面，可以参照上述的相关描述。应理解，本申请实施例中的“蓝牙”为示例说明，还可以替换为其他无线连接功能或无线连接方式。
在一种实施例中，当配对请求中包括触控笔的型号和出厂信息时，电子设备可以基于触控笔的型号，获取触控笔的图像，进而可以在显示配对弹框时显示触控笔的图像604。在一种实施例中，电子设备中可以存储触控笔的型号和图像的映射关系，该映射关系中可以包括不同触控笔的型号，以及每个型号的触控笔的图像。电子设备可以基于触控笔的型号和该映射关系，获取触控笔的图像。在一种实施例中，电子设备还可以基于出厂信息确定厂家标识，进而在显示配对弹框时，显示厂家标识。图15中的A品牌可以表征厂家标识，X1可以表征触控笔的型号。
其中，电子设备的界面上显示配对弹框时，用户可以操作“确定”控件，触发电子设备与触控笔进行配对连接。在一种实施例中，电子设备与触控笔可以基于蓝牙方式进行配对连接，本申请实施例电对此不做赘述，可以参照现有配对连接的相关描述。
本申请实施例提供的触控笔和电子设备的配对方法中，触控笔可以通过第一线圈向无线 键盘发送配对请求，无线键盘可以向电子设备转发该配对请求，电子设备基于配对请求，显示配对弹框。本申请实施例中，触控笔将无线键盘作为电子设备和触控笔配对的中间装置，无线键盘可以向电子设备传输来自触控笔的配对请求，进而实现电子设备显示配对弹框，能够达到电子设备和触控笔配对的目的。因为触控笔可以通过无线键盘向电子设备传输触控笔的MAC地址，能够达到定向地向电子设备传输触控笔的MAC地址的目的，进而避免触控笔周围其他电子设备的弹框，提高用户体验。
本申请实施例，还提供一种如图6所示的触控笔，触控笔中的处理器可以读取存储器中存储的程序，以执行前述配对方法中触控笔执行的动作。应理解，图6中未示出存储器。
本申请实施例，还提供一种如图7所示的电子设备，电子设备中的处理器可以读取存储器中存储的程序，以执行前述配对方法中电子设备执行的动作。应理解，图7中未示出存储器。
本申请实施例，还提供一种如图8所示的无线键盘，无线键盘中的处理器可以读取存储器中存储的程序，以执行前述配对方法中无线键盘执行的动作。应理解，图8中未示出存储器。
本申请实施例，还提供一种包括如图6所示的触控笔、如图7所示的电子设备，以及如图8所示的无线键盘组成的配对系统，该配对系统可以执行上述实施例中的配对方法。其中，触控笔可以执行上述配对方法中触控笔执行的动作，电子设备可以执行上述配对方法中电子设备执行的动作，以及无线键盘可以执行上述配对方法中无线键盘执行的动作，
本文中的术语“多个”是指两个或两个以上。本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系；在公式中，字符“/”，表示前后关联对象是一种“相除”的关系。
可以理解的是，在本申请的实施例中涉及的各种数字编号仅为描述方便进行的区分，并不用来限制本申请的实施例的范围。
可以理解的是，在本申请的实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请的实施例的实施过程构成任何限定。

Claims (13)

  1. 一种配对方法，其特征在于，应用于配对系统，所述配对系统包括：触控笔、无线键盘和电子设备，所述触控笔包括第一线圈，所述无线键盘包括第二线圈，所述方法包括：
    响应于所述无线键盘通过所述第二线圈和所述第一线圈为所述触控笔充电，所述触控笔通过所述第一线圈和所述第二线圈，向所述无线键盘发送配对请求；
    所述无线键盘向所述电子设备发送所述配对请求；
    所述电子设备基于所述配对请求，显示配对弹框，所述配对弹框用于提示用户触发所述电子设备和所述触控笔进行配对。
  2. 根据权利要求1所述的方法，其特征在于，所述触控笔通过所述第一线圈和所述第二线圈，向所述无线键盘发送配对请求之前，还包括：
    所述触控笔获取所述触控笔与所述电子设备的连接状态；
    所述向所述无线键盘发送配对请求，包括：
    响应于所述触控笔与所述电子设备未连接，所述触控笔通过所述第一线圈和所述第二线圈，向所述无线键盘发送配对请求。
  3. 根据权利要求2所述的方法，其特征在于，所述触控笔获取所述触控笔与所述电子设备的连接状态，包括：
    所述触控笔检测所述连接状态。
  4. 根据权利要求2所述的方法，其特征在于，所述触控笔获取所述触控笔与所述电子设备的连接状态，包括：
    所述电子设备检测所述连接状态，且广播所述连接状态；
    所述触控笔接收所述连接状态。
  5. 根据权利要求1-4中任一项所述的方法，其特征在于，所述无线键盘通过所述第二线圈和所述第一线圈为所述触控笔充电，包括：
    所述无线键盘基于无线协议，通过所述第二线圈和所述第一线圈为所述触控笔充电；
    所述向所述无线键盘发送配对请求，包括：
    所述触控笔基于所述无线协议向所述无线键盘发送配对请求。
  6. 根据权利要求5所述的方法，其特征在于，所述触控笔基于所述无线协议与所述无线键盘交互的任一数据包中包括所述配对请求。
  7. 根据权利要求1-6中任一项所述的方法，其特征在于，所述配对请求包括所述触控笔的媒体访问控制MAC地址。
  8. 根据权利要求7所述的方法，其特征在于，所述无线键盘与所述电子设备无线通信连接；所述无线键盘向所述电子设备发送所述配对请求之前，还包括：
    所述无线键盘解析所述配对请求，获取所述触控笔的MAC地址；
    将所述MAC地址封装在具有所述无线通信的格式的数据包中；
    所述无线键盘向所述电子设备发送所述配对请求，包括：
    所述无线键盘向所述电子设备发送具有所述无线通信的格式的数据包。
  9. 根据权利要求1-7中任一项所述的方法，其特征在于，所述无线键盘包括第三线圈，所述电子设备包括第四线圈，所述电子设备通过所述第四线圈和所述第三线圈为所述无线键盘充电，所述无线键盘向所述电子设备发送所述配对请求，包括：
    所述无线键盘通过所述第三线圈和所述第四线圈，向所述电子设备发送所述配对请求。
  10. 根据权利要求9所述的方法，其特征在于，所述向所述电子设备发送所述配对请求，包括：
    所述无线键盘基于无线协议向所述电子设备发送所述配对请求。
  11. 根据权利要求10所述的方法，其特征在于，所述无线键盘基于所述无线协议与所述电子设备交互的任一数据包中包括所述配对请求。
  12. 根据权利要求9-11中任一项所述的方法，其特征在于，所述方法还包括：
    所述电子设备响应于接收到来自所述无线键盘的所述配对请求，检测所述电子设备是否打开无线通信功能；
    若否，则所述电子设备输出提示弹框，所述提示弹框用于提示用户打开所述电子设备的无线通信功能。
  13. 一种配对系统，其特征在于，包括：触控笔、无线键盘和电子设备，所述配对系统用于实现如权利要求1-12中任一项所述的方法。
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