WO2015139410A1 - 近场通信系统和终端 - Google Patents
近场通信系统和终端 Download PDFInfo
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- WO2015139410A1 WO2015139410A1 PCT/CN2014/084148 CN2014084148W WO2015139410A1 WO 2015139410 A1 WO2015139410 A1 WO 2015139410A1 CN 2014084148 W CN2014084148 W CN 2014084148W WO 2015139410 A1 WO2015139410 A1 WO 2015139410A1
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- WIPO (PCT)
- Prior art keywords
- field communication
- near field
- terminal
- subunit
- communication area
- 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.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/72—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for local intradevice communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/22—Capacitive coupling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
- G09G5/006—Details of the interface to the display terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2370/00—Aspects of data communication
- G09G2370/16—Use of wireless transmission of display information
Definitions
- the present invention relates to the field of communications technologies, and in particular, to a near field communication system and a terminal. Background technique
- Near-field communication is a short-range high-frequency wireless communication method, and non-contact point-to-point data transmission can be performed between terminals by near-field communication in a range of about ten centimeters.
- the near field communication module and the touch detection module are distributed on different integrated chips.
- the near field communication module uses a dedicated antenna to realize data transmission with other terminals, and the touch detection module detects whether there is a trigger operation and a trigger operation on the touch screen of the touch terminal through the driving electrode and the sensing electrode on the touch sensor. Due to the use of two integrated chips, the hardware circuit structure is complicated and bulky.
- the near field communication function can be implemented on the touch chip by detecting the electric field. Specifically, after the first terminal having the first capacitive touch screen converts the data to be transmitted into binary data, a voltage is applied to the electrodes participating in the data transmission on the first capacitive touch screen to form a corresponding electric field distribution. When the second terminal having the second capacitive touch screen contacts the first terminal, the second terminal detects the electric field distribution, thereby parsing the data sent by the corresponding first terminal.
- the current problem is that, because the electric field detection method is adopted, if the size difference between the first capacitive touch screen and the second capacitive touch screen is large, the communication quality is degraded, and the data cannot be transmitted. In addition, due to the mismatch between the terminal of the capacitive touch screen having a larger size and the terminal of the capacitive touch screen having a smaller size, the communication signal is attenuated more and is susceptible to external interference, and the detection complexity is also increased. degree.
- the present invention aims to solve at least one of the above technical problems.
- a first object of the present invention is to propose a near field communication system.
- the system uses a designated area in the near field communication area of the second terminal as a dedicated communication area, and when the second terminal detects that the first terminal is close, data transmission is performed through the designated area and the first terminal. Thereby, it can be reduced Signal attenuation and external interference in data transmission improve communication quality.
- a second object of the present invention is to propose a terminal.
- a near field communication system includes: a first terminal, the first terminal has a first near field communication area; and a second terminal, the second terminal has a second a near field communication area, wherein the second near field communication area has a first subunit and a second subunit, the first subunit and the second subunit being configured to detect the first near field communication area and a distance between the second near field communication areas, wherein the second subunit is configured to be when the distance between the first near field communication area and the second near field communication area is less than or equal to a preset distance, and The first near field communication area establishes communication; or the second subunit is configured to detect a distance between the first near field communication area and the second near field communication area, the second subunit setting And establishing communication with the first near field communication area when a distance between the first near field communication area and the second near field communication area is less than or equal to a preset distance.
- the designated area in the near field communication area of the second terminal is used as a dedicated communication area, and when the second terminal detects that the first terminal is close, the designated area and the first terminal perform data transmission. Thereby, signal attenuation and external interference in data transmission can be reduced, and communication quality is improved.
- a terminal of a second aspect of the present invention includes: a near field communication area, wherein the near field communication area has a first subunit and a second subunit; the first subunit and the second a subunit is arranged to detect a distance between the first near field communication area and the second near field communication area, the second subunit being arranged to be in the first near field communication area and the second near Establishing communication with the first near field communication area when the distance between the field communication areas is less than or equal to a preset distance; or the second subunit is configured to detect the first near field communication area and the second near a distance between the field communication areas, the second subunit being configured to be when the distance between the first near field communication area and the second near field communication area is less than or equal to a preset distance
- the near field communication area establishes communication.
- the terminal in the embodiment of the present invention uses the designated area of the near field communication area in the terminal as a dedicated communication area, and performs data transmission through the designated area and other terminals when the terminal detects that the other terminal is close. Thereby, signal attenuation and external interference in data transmission can be reduced, and communication quality is improved.
- FIG. 1 is a schematic diagram of a near field communication interaction manner between a large screen terminal and a small screen mobile terminal in the prior art
- FIG. 2 is a schematic structural diagram of a near field communication system according to an embodiment of the present invention.
- FIG. 3 is a flow chart of a method for detecting a second terminal fixed split position channel switching according to an embodiment of the present invention
- 3-1 is a schematic diagram of a second terminal fixed split position channel switching according to an embodiment of the present invention.
- 3-2 is a flowchart of a method for detecting a split position and performing channel switching by a second terminal according to an embodiment of the present invention
- 3-3 and 3-4 are schematic diagrams of automatically detecting a split position and performing channel switching according to a second terminal display screen (omitting part of the channel) according to an embodiment of the present invention
- FIG. 4 is a schematic structural diagram of a near field communication system according to another embodiment of the present invention.
- FIG. 5 is a flowchart of a method for detecting a display screen of a second terminal into two blocks according to an embodiment of the present invention
- FIG. 5-1 is a schematic diagram of dividing a display screen of a second terminal into two blocks according to an embodiment of the present invention
- FIG. 5-2 is a display screen of the second terminal (omitted part of the channel) according to an embodiment of the present invention; Divided into two pieces;
- FIG. 6 is a schematic structural diagram of a near field communication system according to still another embodiment of the present invention.
- FIG. 7 is a schematic diagram showing a second terminal displaying a near field communication identifier according to an embodiment of the present invention
- FIG. 8 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
- FIG. 9 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
- connection should be understood broadly, and may be either a fixed connection or a detachable connection, or one, unless otherwise specifically defined and defined.
- Ground connection can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium.
- multiple means two or more unless otherwise stated.
- Any process or method description in the flowcharts or otherwise described herein may be understood as a module, segment or module representing code comprising one or more executable instructions for implementing a particular logical function or process.
- the scope of the preferred embodiments of the invention includes additional implementations, in which the functions may be performed in a substantially simultaneous manner or in the reverse order, depending on the order in which they are illustrated. It should be understood by those skilled in the art to which the embodiments of the present invention pertain.
- the sizes between the first capacitive touch screen of the second terminal and the second capacitive touch screen of the first terminal often vary greatly, and thus the communication quality is degraded, and the data cannot be transmitted.
- the notebook computer communicates with the mobile phone in the near field, the notebook computer is in the state of opening the screen, waiting for the mobile phone to approach; the data transmission can be realized at any position on the screen of the mobile phone close to the notebook computer.
- the other receiving areas of the notebook computer are not only unable to effectively receive data transmission signals, but also receive To the noise.
- the inactive portion of the receiving area in the notebook (such as the portion of the area that does not correspond to the cell's launch area) may also be coupled to the system's ground GND, thus causing the effective signal to be cancelled, when the phone is near the laptop.
- the signal received by the notebook computer is weak, the communication quality is low, and it is difficult to achieve stable transmission.
- the present invention proposes a system for communication across terminals.
- the near field communication system includes a first terminal 100 and a second terminal 200, where the first terminal 100 includes
- the first near field communication area 110 includes a second near field communication area 210, a first subunit 211, and a second subunit 212.
- the first terminal 100 has a first near field communication area 110, wherein the first terminal 100 can be a mobile phone or the like.
- the second terminal 200 has a second near field communication area 210, wherein the second terminal 200 can be a notebook computer, a palmtop computer, a television, a display, or the like.
- the second near field communication area 210 has a first subunit 211 and a second subunit 212, a first subunit 211 and a second subunit 212, or only the second subunit 212 is configured to detect the first near field communication area 110. Whether the distance between the first near field communication area 110 and the second near field communication area 210 is less than or equal to the preset distance is less than or equal to the preset distance.
- first near field communication area 110 In the case of distance, communication is established with the first near field communication area 110, wherein the second subunit 212 of the first near field communication area 110 and the second near field communication area 210 can communicate by means of near field communication. Whether the distance between the first near field communication area 110 and the second near field communication area 210 is less than or equal to the preset distance can be implemented by the prior art. To avoid redundancy, it will not be described in detail herein.
- the first terminal 100 (such as a mobile phone) has a small area near field communication area
- the second terminal 200 (such as a notebook computer, a tablet computer) has a large area near field communication area.
- the first terminal 100 is a mobile phone
- the second terminal 200 is a tablet computer
- the first terminal 100 is a handheld computer
- the second terminal 200 is a notebook computer or the like.
- the first terminal 100 and the second terminal 200 have a first near field communication area 110 and a second near field communication area 210, respectively.
- the first near field communication area 110 is a display screen of the mobile phone
- the second near field communication area 210 is a display screen of the notebook computer
- the first near field communication area 110 is a display screen of the mobile phone
- the second near field communication area 210 For touchpads, etc.
- the communication process between the first terminal 100 and the second terminal 200 can be split into proximity detection and data communication; proximity detection is a preparation phase of data communication.
- proximity detection is a preparation phase of data communication.
- touch detection and proximity detection are performed in a time-sharing manner, and the proximity detection is successful before entering the data communication phase.
- Touch detection and proximity detection can be referred to as a first detection phase, and data near field communication is referred to as a second detection phase.
- the touch device can simultaneously support the touch function and the proximity detection function. The following mainly discusses the touch detection in the first detection stage, and the proximity detection is handled in a similar manner to the touch detection.
- the purpose of the proximity detection is to enable the second terminal 200 to sense whether there is a first terminal 100 that communicates with the second terminal 200. Since the second terminal 200 does not need to perform data transmission with the first terminal 100, the communication quality is lower. .
- FIG. 3 is a flowchart of processing a fixed channel switching by a near field communication system according to an embodiment of the present invention, and the specific process is:
- the second near field communication area 210 of the second terminal 200 may have a first sub-unit 211 and a second sub-unit 212.
- the second near field communication area 210 may be divided into two areas of different sizes by using software partitioning, that is, the first subunit 211 (outside the dotted line frame) and the second subunit 212 (the area inside the dotted line frame) ).
- the second subunit 212 and the first near field communication area 110 of the first terminal 100 are established. Communication.
- the first subunit 211 all or part of the channels in the second near field communication area 210 is controlled to stop operating.
- the stop work mainly refers to a state in which the channel keeps less interference to other channels, such as a disconnected (suspended) state or a DC fixed-level state, especially a state in which a DC fixed-level state is maintained.
- ⁇ 7 is a longitudinal channel and ⁇ 9 is a lateral channel.
- These electrodes are used as touch and near-field communication electrode channels (typical mutual capacitive touch screens.
- 1 to 12 are sensing channels).
- a detection channel can also have both a driving function and a sensing function, and the detecting channel mainly refers to an electrode channel with a sensing function).
- ⁇ 7 is the drive channel
- ⁇ 9 is a second induction channel region 210 for near field communication, the near field communication when the second touch area detected by scanning the first stage 210, should all of the electrodes of the second near field communication channel region 210 Both are scanned.
- the first stage of proximity detection may be completed according to the above-described touch detection similar processing manner; if only the second subunit needs to be detected by proximity, only the second sub All of the drive channels and partial sense channels of cell 212 (such as channel ⁇ in the dashed area of Figure 3) are scanned to complete the proximity detection process.
- the second near field communication area 210 When the second near field communication area 210 performs data near field detection of the second phase detection, only all detection channels (such as the channel ⁇ in the dotted line area in FIG. 3) of the designated second subunit 212 are scanned. The obtained data is used for communication processing of the second near field communication area 210.
- the near field communication of the second terminal 200 for receiving the valid signal remains unchanged only by the specified area (ie, the second subunit 212) and the first terminal 100, and the area for overall reception is reduced. Therefore, the communication quality of the signal is improved.
- the ⁇ 9 in the second terminal 200 has both the driving and sensing functions, it is also possible to use only the ⁇ 9 channels of the second sub-unit 212 for driving and receiving during data transmission, thereby saving the second The amount of power of the terminal 200.
- Fixing the second terminal 200 can support software divided regions, the second terminal on the specified channel detection area (in FIG. 3 ⁇ 9) as a second subunit, the rest of the detection channel is a first subunit
- the detection channel overlapping the first near field communication area on the second terminal may be dynamically set as the second subunit, and the remaining detection channels are set as the first subunit.
- FIG. 3-2 is a flowchart of a processing method for automatically detecting a split position and performing channel switching according to a second terminal display screen according to an embodiment of the present invention, where the method includes:
- the contact position of the first terminal 100 can be determined according to the scanning condition of each channel.
- the detection channel in the overlapping range of the two is divided into the second sub-unit 212 for performing subsequent near-field communication, and the other channels outside the range are divided into the first sub-unit 211;
- the second terminal 200 completes communication with the first terminal by using the second subunit 212 according to the area divided by S212.
- the position of the second terminal 100 can be known through the difference of the different channels: scanning all channels on the screen, the proximity detection; differences through the data channels, can be found in the vicinity of the first terminal 100 is placed ⁇ 4.
- the second terminal 200 automatically divides ⁇ 3 and ⁇ 4 of the second communication area 210 into the second sub-unit 212 for subsequent near field communication.
- the other channels constitute the first subunit 211. In the communication phase, only a part of the channels of the second sub-unit 212 specified in the figure are scanned and received, thereby improving the communication quality.
- the designated area in the near field communication area of the second terminal is used as a dedicated communication area by using channel switching, and when the second terminal detects that the first terminal is close
- the near field communication is performed between the designated area and the first terminal to reduce signal attenuation and external interference in data transmission, thereby improving communication quality.
- the second terminal 200 has a larger near field communication area (for example, 20). In the case of inches or more than 20 inches), since the spacing between the driving channels or the sensing channels in the second near field communication area 210 of the second terminal 200 is too long, the first terminal 100 and the second terminal 200 are in data transmission. There is still a problem with weak signals. Therefore, in the following embodiments, the second near field communication area 210 in the second terminal 200 can also be divided into two by hardware division, and the two electrode groups having independent driving channels and sensing channels form a large The second near field communication area 210. Thereby, the problem that the first terminal 100 and the second terminal 200 are weak in signal transmission during data transmission can be better solved.
- the near field communication system includes a first terminal 100 and a second terminal 200, wherein the first terminal 100 includes: a first near field communication area 110, and the second terminal 200 includes: a second near field communication area 210.
- the second near field communication area 210 includes a first subunit 211 and a second subunit 212, the first subunit 211 and the second subunit 212, or only the second subunit 212 is configured to detect the first near field. Whether the distance between the communication area 110 and the second near field communication area 210 is less than or equal to a preset distance, and the second subunit 212 is configured to detect between the first near field communication area 110 and the second near field communication area 210. When the distance is less than or equal to the preset distance, communication is established with the first near field communication area 110.
- the second terminal 200 does not detect the first near field communication area 110 and the second When the distance between the near field communication areas 210 is less than or equal to the preset distance, it is necessary to perform touch detection and proximity detection on the second near field communication area 210 of the second terminal 200 in a time-sharing manner, and the data communication phase is entered only after the proximity detection is successful.
- Touch detection + proximity detection can be referred to as first stage detection
- data near field communication is referred to as second stage detection.
- FIG. 5 is a flowchart of a processing method for dividing a display screen of a second terminal into two blocks according to an embodiment of the present invention, where the specific process is:
- the second near field communication area 210 of the second terminal 200 can be divided into two blocks, that is, the first subunit 21 1 of the non-communication area and the first part of the communication area.
- Two subunits 212 Different from FIG. 2, the second sub-unit 212 has independent electrode channels (typically, for example, the driving channel is a sensing channel, it should be understood that each channel can also have both a driving function and a sensing function). That is, the electrode channel in the first sub-unit 211 does not cover the second sub-unit 212, and the second near-field communication area 210 of the second terminal 200 is equivalent to two electrode regions combined with each other.
- the area of the area in which the second near field communication area 210 communicates with the first near field communication area 110 can be further reduced to improve the communication quality.
- the driving channel and the sensing channel in the first sub-unit 211 and the second sub-unit 212 are simultaneously controlled, and data of two electrode areas are respectively acquired, and then the two electrode areas are The data is stitched to obtain data of the second near field communication area 210 for touch processing of the second near field communication area 210.
- the second subunit needs to be controlled
- the drive channel and the sense channel in 212 obtain the data of the second subunit 212 for communication processing of the second near field communication area 210.
- ⁇ ( ⁇ 10, ⁇ ( ⁇ 10, ⁇ '( ⁇ ⁇ ' 2 ⁇ ( ⁇ 10, ⁇ '( ⁇ ⁇ ' 2 ) ⁇ ( ⁇ 7 represented X. ⁇ node processing and data 7, A '( ⁇ A' 2 indicates that the node samples data, and so on.
- Table 1 is the sampling data of the first subunit 211.
- Table 2 shows the sampled data of the second subunit 212. Then, the data shown in Table 1 and Table 2 are combined to calculate the data of the entire second near field communication area 210 as shown in Table 3. Thereby, the data acquisition flow for performing touch detection on the second near field communication area 210 can be completed.
- the first stage of the proximity detection data collection process may be completed according to the above-mentioned touch detection similar processing manner;
- the proximity detection is performed on the second subunit, only the electrode channel of the designated second subunit 212 is scanned, and the data acquisition processing of the proximity detection is completed.
- FIG. 5-2 is a schematic structural diagram of the related traces of the second sub-unit 212 (excluding the related channel of the second sub-unit 211 in FIG. 5);
- the second near field communication area 210 respectively extracts the peripheral traces from one end of the Y/X channel; as shown in Figure 5-1 and Figure 5-2, by hardware partitioning, respectively
- the Y end and the X end intercept a segment to form a second subunit 212; wherein the second subunit 212 is routed from one end of the screen, as shown in the figure. with. 12;
- the first sub-unit 211 is routed from the other end of the screen, as shown in FIG. 7 and ⁇ .
- all channels including the first sub-unit 211 and the second sub-unit 212 are involved in detection during touch detection, and all channels (including the first sub-unit 211 and the second sub-unit 212) are close to detection.
- the channel in the second sub-unit 212 participates in the detection; and in the second stage, only the ⁇ and X channels in the second sub-unit 212 participate in near-field communication, thereby achieving the effect of reducing the overall receiving area.
- the second terminal is adopted by adopting a hardware segmentation manner
- the designated area in the near field communication area serves as a dedicated communication area, and has an independent electrode channel.
- the near field communication system includes a first terminal 100 and a second terminal 200, wherein the first terminal 100 includes: a first near field communication area 110, and the second terminal 200 includes: a second near field communication area 210.
- the first terminal 100 has a first near field communication area 110, wherein the first terminal 100 can be a mobile phone.
- the second terminal 200 has a second near field communication area 210, wherein the second terminal 200 can be a notebook computer, a palmtop computer, a television or a display screen, etc., and the second near field communication area 210 has a first subunit 211 and a second sub
- the unit 212, the first subunit 21 1 and the second subunit 212, or only the second subunit 212 is configured to detect whether the distance between the first near field communication area 110 and the second near field communication area 210 is less than or equal to
- the second subunit 212 is configured to establish communication with the first near field communication area 1 10 when the distance between the first near field communication area 1 10 and the second near field communication area 210 is less than or equal to a preset distance.
- the first subfield communication area 110 and the second subunit 212 of the second near field communication area 210 communicate by means of near field communication.
- the second sub-unit 212 of the second near field communication area 210 has a cue identification if proximity detection can be performed using the full screen.
- the first near field communication area 110 is placed to the second subunit 212.
- prompt Specifically, as shown in FIG. 7, when the second terminal 200 is close to the first terminal 100, the user may be prompted to place the first terminal 100 on the second subunit 212 through a user interface (UI, User Interface).
- UI User Interface
- a near field communication indicator can be popped up on the second subunit 212 of the second terminal 200 (e.g., at an intermediate position, or a lower right corner) for display to the user for prompting.
- the second subunit 212 can be controlled to blink while popping up the near field communication identifier to further prompt the user.
- the user can contact the first terminal and the second terminal at any position by displaying the prompt identifier in the second subunit of the second near field communication area, and the second subunit is simultaneously The user is prompted to communicate to a fixed location, thereby providing a friendly interaction and improving the user experience.
- the present invention also proposes a terminal.
- FIG. 8 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
- the terminal 200 includes a near field communication area 210, wherein the near field communication area 210 includes a first subunit 211 and a second subunit 212.
- the terminal 200 has a near field communication area 210, wherein the terminal 200 can be a notebook computer, a palmtop computer, a television or a display, etc., and the other terminal can be a mobile phone or the like.
- the near field communication area 210 has a first subunit 211 and a second subunit 212, the first subunit 211 and the second subunit 212, or only the second subunit for detecting the near field communication area 21 and other terminals. Whether the distance between the field communication areas is less than or equal to the preset distance, and the second sub-unit 212 is configured to detect that the distance between the near field communication area 210 and the near field communication area of the other terminal is less than or equal to the preset distance.
- the second subunit 212 establish communication with the near field communication area of other terminals.
- the second subunit 212 communicates with the near field communication area of the other terminal by means of near field communication. Whether the distance between the near field communication area 210 and the near field communication area of other terminals is less than or equal to the preset distance can be implemented by the prior art. To avoid redundancy, it will not be described in detail here.
- terminal 200 has a relatively large area near field communication area 210 (e.g., greater than 10 inches) relative to other terminals.
- the terminal 200 is a tablet computer, and the other terminals are mobile phones; or the terminal 200 is a notebook computer, and the other terminals are handheld computers.
- the near field communication area 210 of the terminal 200 is a display screen of a notebook computer
- the near field communication area of the other terminal is a display screen of the mobile phone
- the near field communication area 210 of the terminal 200 is a touch panel
- the near field communication area of the other terminal is For the display of the phone, etc.
- the near field communication area 210 of the terminal 200 may have a first subunit 211 and a second subunit 212.
- the near field communication area 210 can be divided into two areas of different sizes by software partitioning, that is, the first subunit 211 (outside the dotted line frame) and the second subunit 212 (inside the dotted line frame area). It should be understood that the area of the second sub-unit 212 is smaller than the area of the first sub-unit 211.
- the stop work mainly refers to a state in which the channel keeps less interference to other channels, such as a disconnected (suspended) state or a DC fixed-level state, especially a state in which a DC fixed-level state is maintained.
- proximity detection and data communication can be split into two parts. That is, proximity detection and data communication; proximity detection is a preparatory stage of data communication.
- touch detection and the proximity detection are performed in a time-sharing manner, and the proximity detection is successful before entering the data communication phase.
- Touch detection + proximity detection can be referred to as first stage detection, and near field communication is referred to as second stage detection.
- the purpose of proximity detection is to make the terminal 200 aware of whether there are other terminals communicating with the terminal 200. Since the terminal 200 does not need to perform data transmission with other terminals at this time, the communication quality is less demanded.
- touch detection and near field communication of different areas in the near field communication area 210 of the terminal 200 can be implemented by means of channel switching.
- ⁇ 7 is a vertical channel and ⁇ is a horizontal channel (typically ⁇ . It is a drive channel, which is a sensing channel; it should be understood that one channel can also have both a driving function and a sensing function.
- the channel mainly refers to the electrode channel with sensing function).
- ⁇ 7 is the drive channel
- ⁇ is the near field communication area 210 of the sensing channel, and when the first stage detection touch scan is performed on the near field communication area 210, all the drive channels in the near field communication area 210 should be The sensing channels are scanned.
- the proximity detection of the first stage may be completed according to the similar processing method of the above touch detection; if only the proximity detection of the second subunit is required, only the designated All of the driving channels and the partial sensing channels of the two sub-units 212 (such as the channel ⁇ in the dotted line area in FIG. 3) are scanned to complete the proximity detection process.
- the second phase communication scan is performed on the near field communication area 210, only all the drive channels and the partial sensing channels (the channels ⁇ in the dotted line area in FIG. 3) of the designated second subunit 212 are scanned, and the obtained result is obtained.
- the data is used for communication processing of the near field communication area 210. Thereby, the area for receiving the valid signal remains unchanged by the designated area (i.e., the second sub-unit 212) and other terminals, and the area for overall reception is reduced, thereby improving the signal. Communication quality.
- the 200 9 in the terminal 200 has both the driving and sensing functions, it is also possible to use only the ⁇ 9 in the second sub-unit 212 for driving and receiving during data transmission, thereby saving power of the terminal.
- FIG. 9 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
- the terminal 200 includes a near field communication area 210, wherein the near field communication area 210 includes a first subunit 211 and a second subunit 212.
- the near field communication area 210 may further include a first subunit 211 and a second subunit 212, the first subunit 211 and the second subunit 212, or only the second subunit 212 is configured to detect the proximity of the terminal 200. Whether the distance between the field communication area 210 and the near field communication area of the other terminal is less than or equal to a preset distance.
- the second sub-unit 212 is configured to establish communication with the near field communication area of the other terminal when detecting that the distance between the near field communication area 210 and the near field communication area of the other terminal is less than or equal to the preset distance.
- the near field communication area 210 of the terminal 200 can be divided into two blocks, that is, the first subunit 211 of the non-communication area and the second sub-unit 212 of the communication area.
- the second sub-unit 212 has independent electrode channels (typically, for example, ⁇ . is a driving channel, which is a sensing channel. It should be understood that each channel can also have both a driving function and a sensing function, and the detecting channel mainly has a sensing function. Electrode channel).
- the electrode channel in the first sub-unit 211 does not cover the second sub-unit 212, and the near-field communication area 210 of the terminal 200 is equivalent to two electrode regions combined with each other, thereby being able to further
- the area of the area in which the near field communication area 210 of the terminal 200 communicates with the near field communication area of the other terminal is reduced, and the communication quality is improved.
- the terminal 200 does not detect the near field of the near field communication area 210 and other terminals.
- Touch detection + proximity detection can be referred to as the first stage detection
- near field communication is referred to as the second stage detection.
- the driving channel and the sensing channel in the first sub-unit 211 and the second sub-unit 212 are simultaneously controlled, the data of the two electrode areas are respectively acquired, and then the data of the two electrode areas are spliced to obtain the near field communication.
- the data of area 210 is used for touch processing of near field communication area 210.
- the near field communication only the driving channel and the sensing channel in the second subunit 212 need to be controlled, and the data of the second subunit 212 is obtained for the communication processing of the near field communication area 210.
- Table 1 is the sampling data of the first subunit 211.
- Table 2 shows the sample data of the second sub-unit 212. Then, the data shown in Table 1 and Table 2 are combined to calculate the data of the entire near-field communication area 210 as shown in Table 3. Thereby, the data collection flow for performing touch detection on the near field communication area 210 can be completed.
- proximity detection is required through the entire screen, the similar processing manner of the touch detection described above may be performed, and the proximity detection data collection process of the first stage may be completed; if only the proximity detection of the second subunit is required, Only the electrode channel designating the second sub-unit 212 is scanned, and the data acquisition processing of the proximity detection is completed.
- Table 3 shows the combined data of the entire screen of the near field communication area 210.
- proximity detection can be performed on the entire screen, and the second sub-unit 212 of the near field communication area 210 has a cue mark.
- the terminal 200 determines that the distance between the near field communication area 210 and the near field communication area of the other terminal is less than or equal to the preset distance, a prompt to place the near field communication area of the other terminal to the second subunit 212 is issued.
- the terminal 200 can prompt the user to place other terminals on the second subunit 212 through a user interface (UI, User Interface).
- UI User Interface
- a near field communication indicator can be popped up in or near the second sub-unit 212 of the terminal 200 (e.g., an intermediate position, or a lower right corner), displayed to the user for prompting.
- the second subunit 212 can also be controlled to blink while popping up the near field communication identifier to prompt the user.
- the prompting identifier in the second sub-unit 212 of the near field communication area 210, the user can contact the other terminal and the terminal 200 at any position while the second sub-unit 212 gives the user a prompt to communicate to the fixed location. , can provide a friendly way to interact and enhance the user experience.
- the terminal in the embodiment of the present invention uses a designated area in the near field communication area of the terminal as a dedicated communication area, and has an independent electrode channel. When the terminal detects that other terminals are close to each other, the terminal passes The designated area and other terminals perform data transmission. Thereby, signal attenuation and external interference in data transmission can be reduced, and communication quality is improved.
- portions of the invention may be implemented in hardware, software, firmware or a combination thereof.
- a plurality of steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system.
- it can be implemented with any one or combination of the following techniques well known in the art: having logic gates for implementing logic functions on data signals Discrete logic circuit, application specific integrated circuit with suitable combination logic gate, programmable gate array (PGA), field programmable gate array (FPGA)
- PGA programmable gate array
- FPGA field programmable gate array
- the designated area in the near field communication area of the second terminal is used as a dedicated communication area, and when the second terminal detects that the first terminal is close, the designated area and the first terminal perform data transmission. Thereby, signal attenuation and external interference in data transmission can be reduced, and communication quality is improved.
- the terminal in the embodiment of the present invention uses the designated area of the near field communication area in the terminal as a dedicated communication area, and performs data transmission through the designated area and other terminals when the terminal detects that the other terminal is close. Thereby, signal attenuation and external interference in data transmission can be reduced, and communication quality is improved.
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- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
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Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP14886158.6A EP3121970B1 (en) | 2014-03-21 | 2014-08-12 | Near-field communication system and terminal |
| KR1020167029193A KR101972643B1 (ko) | 2014-03-21 | 2014-08-12 | 근거리 무선 통신 방법 및 단말기 |
| US15/272,059 US10201028B2 (en) | 2014-03-21 | 2016-09-21 | Near-field communication method and terminal |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410108947.4 | 2014-03-21 | ||
| CN201410108947.4A CN103944614B (zh) | 2014-03-21 | 2014-03-21 | 近场通信系统和终端 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US15/272,059 Continuation US10201028B2 (en) | 2014-03-21 | 2016-09-21 | Near-field communication method and terminal |
Publications (1)
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|---|---|
| WO2015139410A1 true WO2015139410A1 (zh) | 2015-09-24 |
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Family Applications (1)
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| PCT/CN2014/084148 Ceased WO2015139410A1 (zh) | 2014-03-21 | 2014-08-12 | 近场通信系统和终端 |
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| US (1) | US10201028B2 (zh) |
| EP (1) | EP3121970B1 (zh) |
| KR (1) | KR101972643B1 (zh) |
| CN (1) | CN103944614B (zh) |
| WO (1) | WO2015139410A1 (zh) |
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| CN103944614B (zh) | 2014-03-21 | 2017-01-11 | 深圳市汇顶科技股份有限公司 | 近场通信系统和终端 |
| CN104485983B (zh) * | 2014-12-09 | 2017-12-08 | 深圳市汇顶科技股份有限公司 | 集成nfc天线的触摸屏、终端及其近场通信方法 |
| CN104954947A (zh) * | 2015-06-12 | 2015-09-30 | 深圳市金立通信设备有限公司 | 一种音箱、音频播放系统及音频播放方法 |
| CN107086355B (zh) * | 2017-06-10 | 2024-03-15 | 新开普电子股份有限公司 | 一种具有平板显示器和nfc天线的电子装置 |
| KR102671154B1 (ko) * | 2018-12-31 | 2024-05-30 | 엘지디스플레이 주식회사 | 안테나 일체형 표시장치 |
| CN113158108B (zh) * | 2021-04-27 | 2024-09-13 | 维沃移动通信有限公司 | 显示信息的方法及装置、电子设备 |
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- 2014-08-12 WO PCT/CN2014/084148 patent/WO2015139410A1/zh not_active Ceased
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Also Published As
| Publication number | Publication date |
|---|---|
| EP3121970A1 (en) | 2017-01-25 |
| EP3121970A4 (en) | 2017-12-06 |
| CN103944614B (zh) | 2017-01-11 |
| CN103944614A (zh) | 2014-07-23 |
| KR101972643B1 (ko) | 2019-05-29 |
| EP3121970B1 (en) | 2020-01-01 |
| KR20160136380A (ko) | 2016-11-29 |
| US10201028B2 (en) | 2019-02-05 |
| US20170013660A1 (en) | 2017-01-12 |
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