WO2019237902A1 - Carte à puce, et procédé, appareil et dispositif de commande de carte à puce - Google Patents

Carte à puce, et procédé, appareil et dispositif de commande de carte à puce Download PDF

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Publication number
WO2019237902A1
WO2019237902A1 PCT/CN2019/088149 CN2019088149W WO2019237902A1 WO 2019237902 A1 WO2019237902 A1 WO 2019237902A1 CN 2019088149 W CN2019088149 W CN 2019088149W WO 2019237902 A1 WO2019237902 A1 WO 2019237902A1
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WIPO (PCT)
Prior art keywords
smart card
power consumption
module
control
controller
Prior art date
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Ceased
Application number
PCT/CN2019/088149
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English (en)
Chinese (zh)
Inventor
陈柳章
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.)
Shenzhen Excelsecu Data Technology Co Ltd
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Shenzhen Excelsecu Data Technology 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
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Publication of WO2019237902A1 publication Critical patent/WO2019237902A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
    • H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
    • H02M7/04—Conversion of AC power input into DC power output without possibility of reversal by static converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0003—Details of control, feedback or regulation circuits

Definitions

  • the invention belongs to the technical field of smart cards, and particularly relates to a smart card, a smart card control method, a device, and a device.
  • Smart cards can realize data transmission through non-contact channels, and have the advantages of portability, high reliability, and high security.
  • a smart card usually includes a smart card chip and a coil, and the smart card chip can transmit information to the card reader through the coil.
  • peripheral modules such as a display module, an input module, a Bluetooth module, and a fingerprint module can be added to the smart card according to actual needs, so that the smart card can achieve more functions.
  • the peripheral module may need to obtain power from the coil of the smart card, which may easily affect the stability and reliability of non-contact communication and cause errors in smart card communication.
  • embodiments of the present invention provide a smart card, a smart card control method, a device, and a device, which can solve the technical problems that peripheral modules in the prior art easily affect the stability of smart card communication.
  • a first aspect of the embodiments of the present invention provides a smart card, including: a smart card chip, a coil, a power taking module, a power consumption control module, and a peripheral module;
  • An input end of the power taking module is connected to the coil, and is configured to convert the AC power received from the coil into DC power;
  • An output terminal of the power taking module and the peripheral module are connected through the power consumption control module;
  • the power consumption control module is configured to control power consumption of the peripheral module.
  • the power consumption control module includes a constant current diode.
  • the power consumption control module includes a constant current triode and a triode control chip, and the triode control chip is connected to a control terminal of the constant current triode and is used to adjust the output current of the constant current triode.
  • the power consumption control module further includes: a first voltage regulator and a first capacitor;
  • the first voltage regulator and the first capacitor are both connected in parallel with the peripheral module.
  • the power consumption control module further includes: a linear regulator
  • An input terminal of the linear voltage regulator is connected to the power taking module, and an output terminal is connected to the constant current diode or the constant current triode.
  • the power consumption control module includes a controller
  • the controller is respectively connected to an output end of the power taking module, the peripheral module, and the smart card chip, and is configured to control the power consumption of the peripheral module according to a control signal output by the smart card chip.
  • the controller when the smart card chip performs data interaction through the coil, the controller enters a constant power consumption mode; when the smart card chip performs data processing, the controller exits the constant power consumption mode.
  • a second aspect of the embodiments of the present invention provides a smart card control method, including:
  • a third aspect of the embodiments of the present invention provides a smart card control device, including:
  • a judging module for judging the working state of the smart card chip in the smart card
  • a control module configured to control the controller to enter a constant power consumption mode when the smart card chip is in a data interaction state through a coil; and to control the controller to exit the constant power consumption when the smart card chip is in a data processing state mode.
  • a fourth aspect of the embodiments of the present invention provides a smart card control device including a memory, a processor, and a computer program stored in the memory and executable on the processor.
  • the processor executes the computer program, Implementing the steps of the method described in the second aspect above.
  • a fifth aspect of the embodiments of the present invention provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, implements the steps of the method described in the second aspect.
  • the embodiments of the present invention have the following beneficial effects: the smart card, the smart card control method, the device, and the device provided by the embodiments of the present invention include a smart card chip, a coil, a power taking module, a power control module, and a peripheral module An input end of the power taking module is connected to the coil, and is configured to convert the AC power received from the coil into DC power, and an output end of the power taking module and the peripheral module pass the power The power consumption control module is connected.
  • the power consumption control module is used to control the power consumption of the peripheral module. By controlling the power consumption of the peripheral module, it does not cause interference to the radio frequency field during the non-contact communication interaction process. It guarantees the stability and reliability of contactless communication and improves the communication accuracy of smart cards.
  • FIG. 1 is a structural block diagram of a smart card according to a first embodiment of the present invention
  • FIG. 2 is a schematic circuit diagram of a smart card according to a second embodiment of the present invention.
  • FIG. 3 is a schematic circuit diagram of a smart card according to a third embodiment of the present invention.
  • FIG. 4 is a schematic circuit diagram of a smart card according to a fourth embodiment of the present invention.
  • FIG. 5 is a structural block diagram of a smart card according to a fifth embodiment of the present invention.
  • FIG. 6 is a schematic diagram of a load power consumption mode of a smart card under different commands according to Embodiment 5 of the present invention.
  • FIG. 7 is a flowchart of a smart card control method according to a sixth embodiment of the present invention.
  • FIG. 8 is a structural block diagram of a smart card control device according to a seventh embodiment of the present invention.
  • FIG. 1 is a structural block diagram of a smart card according to a first embodiment of the present invention.
  • the smart card in this embodiment includes: a coil 1, a power taking module 2, a power consumption control module 3, a peripheral module 4, and a smart card chip 5;
  • An input end of the power taking module 2 is connected to the coil 1 and is configured to convert an alternating current received from the coil 1 into a direct current;
  • An output end of the power taking module 2 and the peripheral module 4 are connected through the power consumption control module 3;
  • the power consumption control module 3 is configured to control the power consumption of the peripheral module 4;
  • the smart card chip 5 is connected to the coil 1.
  • a smart card is placed in the radio frequency field of the card reader. Communication.
  • the power taking module 2 may be any module capable of achieving AC to DC conversion, such as a rectifier.
  • An output terminal of the power taking module 2 is connected to an input terminal of the power consumption control module 3, an output terminal of the power consumption control module 3 is connected to the peripheral module 4, and the power consumption control module 3 uses a slave
  • the power obtained by the power taking module 2 supplies power to the peripheral module 4, and at the same time, the power consumption of the peripheral module 4 can be controlled so that the power consumption of the peripheral module 4 meets a preset condition.
  • the power consumption of the peripheral module 4 meets a preset condition, and may include: an input voltage of the peripheral module 4 is maintained within a preset voltage range, and / or an input current of the peripheral module 4 is maintained at a preset The current range, and / or the power consumption of the peripheral module 4 remains within a preset power consumption range.
  • the power consumption of the peripheral module 4 meets a preset condition, and may specifically include: during the communication between the smart card chip 5 and a card reader (or the smart card chip 5 may communicate with a card reader Time), the input voltage of the peripheral module 4 remains within a preset voltage range, and / or the input current of the peripheral module 4 remains within a preset current range, and / or the power of the peripheral module 4 The power consumption stays within a preset power consumption range.
  • the smart card chip 5 may communicate with a card reader, which may mean that the smart card is in a state of waiting for receiving instructions or data. During the process of the smart card chip 5 communicating or preparing to communicate, the voltage, current, or power consumption of the peripheral module 4 may be restricted, and at other times, the restriction of the peripheral module 4 may be lifted.
  • the preset voltage range, the preset current range, and the preset power consumption range may be set according to actual needs.
  • the preset voltage range may be 0 to 3.7V.
  • the power consumption control module 3 may be implemented by a voltage regulator, a constant current module, a voltage adjustment module, a current adjustment module, a power consumption controller, and the like. There are many specific implementation manners, which are not limited in this embodiment.
  • the peripheral module 4 may be any module that can be integrated on a smart card.
  • the peripheral module 4 may include at least one of the following:
  • Display modules such as displays, are used to display OTP or DCVV2 codes;
  • Input module which can be keys, touch screen, etc., for users to input information
  • Bluetooth module for Bluetooth connection and communication with external devices
  • a fingerprint module configured to obtain fingerprint information of a user and identify the fingerprint information
  • the power consumption of the peripheral module 4 is not controlled, a change in the instantaneous power consumption of the peripheral module 4 will cause a large change in the signal in the coil 1, and in the smart card
  • the non-contact communication channel between the chip 5 and the card reader causes noise interference, and in serious cases, it also causes communication errors between the card reader and the smart card.
  • the solution provided in this embodiment is provided in the coil 1 and the peripheral module 4 With the power consumption control module 3, the overall power consumption of the peripheral module 4 can be effectively controlled.
  • the smart card provided in this embodiment includes a coil 1, a power taking module 2, a power consumption control module 3, a peripheral module 4, and a smart card chip 5.
  • the input end of the power taking module 2 is connected to the coil 1 and is used to connect
  • the AC power received from the coil 1 is converted into DC power, and the output terminal of the power taking module 2 and the peripheral module 4 are connected through the power consumption control module 3, and the power consumption control module 3 is used for
  • the power consumption of the peripheral module 4 is controlled, and the power consumption of the peripheral module 4 is controlled, so that it does not cause interference with the radio frequency field during the contactless communication interaction process, thereby ensuring the stability of the contactless communication, Reliability improves the communication accuracy of smart cards.
  • the power consumption control module 3 may include a constant-current diode or a constant-current triode, which will be described respectively in the following embodiments.
  • the second embodiment of the present invention provides a smart card. This embodiment is based on the technical solution provided in the first embodiment, and implements power consumption control through a constant current diode.
  • FIG. 2 is a schematic circuit diagram of a smart card according to a second embodiment of the present invention.
  • the smart card in this embodiment includes: a coil 1, a power taking module, a power consumption control module, and a peripheral module 4.
  • the power consumption control module includes a constant current diode 301, and the input current of the peripheral module 4 can be controlled by the constant current diode 301.
  • the solution in this embodiment is applicable to a case where the input voltage is constant (the input voltage has undergone constant voltage conversion; or when the load current is constant, the input voltage is also constant).
  • the power consumption control module may further include a first voltage regulator 302 and a first capacitor 303, and the first voltage regulator 302 and the first capacitor 303 are both connected in parallel with the peripheral module 4.
  • the constant current diode 301 plays a constant current role
  • the first voltage regulator 302 plays a role of voltage stabilization and consumption of excess current
  • the first capacitor 303 plays a role of energy buffer.
  • the output current of the constant current diode 301 is set to the maximum current consumed by the load (after being buffered by a capacitor), and the excess current is consumed from the first Zener tube 302.
  • the power taking module may include: a rectifier bridge circuit 201, a second voltage regulator tube 202, and a second capacitor 203.
  • the rectifier bridge circuit 201 may be composed of four diodes.
  • One input terminal of the rectifier bridge circuit 201 is connected to one end of the coil 1, and the other input terminal of the rectifier bridge circuit 201 is connected to the other end of the coil 1; one output terminal of the rectifier bridge circuit 201 One end of the second voltage regulator tube 202 and one end of the second capacitor 203 are connected, and the other output terminal of the rectifier bridge circuit 201 is connected to the other end of the second voltage regulator tube 202 and the second capacitor The other end of 203.
  • the rectifier bridge circuit 201 can realize AC-to-DC conversion, and the second voltage regulator 202 and the second capacitor 203 can reduce voltage fluctuations and improve voltage stability.
  • the smart card provided in this embodiment can control the power consumption of the peripheral module 4 through the constant current diode 301, so that during the non-contact communication interaction process, the peripheral module 4 does not cause interference to the radio frequency field, which guarantees that The stability and reliability of the contactless communication of the smart card are improved, and the communication accuracy of the smart card is improved.
  • the third embodiment of the present invention provides a smart card. This embodiment is based on the technical solution provided in the second embodiment, and a linear regulator is added to implement voltage control.
  • FIG. 3 is a schematic circuit diagram of a smart card according to a third embodiment of the present invention.
  • the smart card in this embodiment includes a coil 1, a power taking module, a power consumption control module, and a peripheral module 4.
  • the power consumption control module includes a constant current diode 301 and a linear regulator 304.
  • An input terminal of the linear regulator 304 is connected to the power taking module, and an output terminal is connected to the constant current diode 301. Connected to achieve the function of stable voltage.
  • the linear regulator 304 may adopt an LDO (low dropout regulator). After the input voltage is converted by the LDO, a stable voltage can be obtained, and then the constant current diode 301 is passed, so that the The power consumption of the peripheral module 4 remains stable, so that during the contactless communication interaction, the peripheral module 4 does not cause interference to the radio frequency field, which ensures the stability and reliability of the contactless communication of the smart card and improves the communication accuracy of the smart card. Sex.
  • LDO low dropout regulator
  • the power consumption control module may further include a first voltage regulator 302 and a first capacitor 303.
  • the power taking module may include a rectifier bridge circuit 201, a second voltage regulator tube 202, and a second capacitor 203.
  • a third capacitor 305 may be further connected in parallel to the output of the linear regulator 304, and the third capacitor 305 can improve the stability of the output voltage of the linear regulator 304.
  • the first capacitor 303, the second capacitor 203, and the third capacitor 305 can all be 1uF capacitors.
  • the smart card provided in this embodiment can control the voltage and current of the peripheral module 4 through the linear regulator 304 and the constant current diode 301, thereby improving the accuracy of power consumption control and ensuring the smart card. Normal communication.
  • the fourth embodiment of the present invention provides a smart card. This embodiment is based on the technical solution provided in the first embodiment, and realizes power consumption control through a constant current transistor. This embodiment is different from the third embodiment in that the constant current diode is replaced with a constant current transistor.
  • FIG. 4 is a schematic circuit diagram of a smart card according to a fourth embodiment of the present invention.
  • the smart card in this embodiment includes a coil 1, a power taking module, a power consumption control module, and a peripheral module 4.
  • the power consumption control module includes a constant current transistor 306, a transistor control chip 307, and a linear regulator 304.
  • the specific implementation principle of the linear regulator 304 is similar to that of the third embodiment.
  • the triode control chip 307 is connected to the control terminal of the constant current transistor 306, and is used to adjust the output current of the constant current transistor 306, so as to control the input current of the peripheral module 4 to meet the peripheral module. 4 the need for different working modes.
  • the triode control chip 307 can specifically adjust the output current of the constant current transistor 306 by adjusting the level of the control terminal of the constant current transistor 306.
  • the power consumption control module may further include a first voltage regulator 302 and a first capacitor 303.
  • the power taking module may include a rectifier bridge circuit 201, a second voltage regulator tube 202, and a second capacitor 203.
  • the linear regulator 304 when the input voltage is constant, the linear regulator 304 can also be removed, and only the constant current transistor 306 and the transistor control chip 307 can be used to implement the peripherals. Control of module 4 power consumption.
  • the smart card provided in this embodiment controls the power consumption of the peripheral module 4 through the constant current transistor 306 and the transistor control chip 307, and is applicable to a scenario where the peripheral module 4 has multiple working modes. . In different working modes, different currents need to be provided, and the constant current output current can be adjusted through the control terminal to meet the needs of the different working modes of the peripheral module 4.
  • the fifth embodiment of the present invention provides a smart card. This embodiment is based on the technical solution provided in the first embodiment, and implements control of power consumption by a controller.
  • FIG. 5 is a structural block diagram of a smart card according to a fifth embodiment of the present invention.
  • the smart card in this embodiment includes a coil 1, a power taking module 2, a controller 308, a peripheral module 4, and a smart card chip 5.
  • the controller 308 is respectively connected to the output terminal of the power taking module 2, the peripheral module 4 and the smart card chip 5, and is configured to perform functions on the peripheral module 4 according to a control signal output by the smart card chip 5. Consumption control.
  • the controller 308 and the peripheral module 4 are considered as a whole to form a load module.
  • Limiting the power consumption of the load module can be achieved by the controller 308 entering the constant power consumption mode; lifting the power consumption limit of the load module can be achieved by exiting the constant power consumption mode by the controller 308 .
  • the controller 308 is connected to the smart card chip 5.
  • the smart card chip 5 can control the controller 308 to enter a constant power consumption mode, such as controlling the controller 308 to suspend the load module and the controller. 308 internally enters an idle or hibernation state.
  • the smart card chip 5 can also control the controller 308 to exit the constant power consumption mode. After exiting the constant power consumption mode, the controller 308 is in a normal working state, and the power consumption is not limited and constant.
  • the controller 308 may enter a constant power consumption mode; when the smart card chip 5 performs data processing, the controller 308 may exit Constant power mode.
  • the power consumption of the load module when the smart card is in the state of receiving card reader data and the smart card is sending data to the reader, the power consumption of the load module must be kept constant.
  • the load module can not limit the constant power consumption. In this way, during the execution of the APDU instruction, the load module can be temporarily released. Constant power consumption state, the load module gets a normal operation opportunity.
  • APDU Application Protocol Data Unit (application of the protocol data unit) instruction
  • the smart card needs to apply for additional waiting time. At this time, the load module also needs to be in a constant power consumption mode.
  • the controller 308 may exit the constant power consumption mode; when the smart card chip 5 is in other states, the controller 308 enters a constant state Power mode.
  • FIG. 6 is a schematic diagram of a load power consumption mode of a smart card under different commands according to Embodiment 5 of the present invention.
  • a1 to a3, b1 to b6 indicate the serial number
  • Command indicates the command of the card reader
  • Respond indicates the response of the smart card.
  • Wait command indicates that the smart card is waiting to receive instructions from the card reader.
  • Process indicates that the smart card is in the process of data processing.
  • Constant mode indicates that the load module is required to be in a constant power consumption mode.
  • Variable mode indicates that the load module can exit the constant power mode.
  • the load module needs to be in a constant power consumption mode; when the smart card chip 5 receives and executes the instructions, For example, process a2, b2, and b5 can temporarily release the constant power consumption state of the load module without affecting contactless communication interaction.
  • the load module also needs to be at constant power consumption. If the instruction execution time is long, according to the ISO / IEC 14443 protocol, the smart card needs to apply for additional waiting time. At this time, the interaction processes b3, b4, and the load module also need to be in a constant power consumption mode.
  • the smart card chip 5 may send an exit instruction to the controller 308 during data processing, and the controller 308 may exit the constant power consumption mode according to the exit instruction; the smart card chip 5 is passing
  • an entry instruction may be sent to the controller 308, so that the controller 308 enters a constant power consumption mode according to the entry instruction.
  • the controller 308 can obtain status information sent by the smart card chip 5; if the status information indicates that the smart card chip 5 is in a data processing state, exit the constant power consumption mode; if the status information It indicates that the smart card chip 5 is in a state of data interaction through the coil 1, and then enters a constant power consumption mode.
  • the status information may be represented by high or low level or analog voltage, for example, 00 indicates a state of performing data processing, 01 indicates a state of receiving or transmitting data, or 3.7V indicates a state of performing data processing, 0.5V Indicates that data is being received or sent; and so on.
  • FIG. 7 is a flowchart of a smart card control method according to a sixth embodiment of the present invention. As shown in FIG. 7, the smart card control method in this embodiment includes:
  • Step 601 Determine the working state of the smart card chip in the smart card.
  • Step 602 If the smart card chip is in a data interaction state through a coil, control the controller to enter a constant power consumption mode; if the smart card chip is in a data processing state, control the controller to exit the constant power consumption mode.
  • the method in this embodiment may be implemented based on the smart card provided in the fifth embodiment.
  • the method execution subject in this embodiment may be a smart card chip or a controller.
  • step 602 may specifically include: if the smart card chip is in a state of data interaction through a coil, sending an entry instruction to the controller so that the controller can The entering instruction enters the constant power consumption mode; if the smart card chip is in a data processing state, sending an exit instruction to the controller, so that the controller exits the constant power consumption mode according to the exit instruction.
  • step 601 may include obtaining status information sent by a smart card chip, and judging the working status of the smart card chip according to the status information.
  • the controller by judging the working state of the smart card chip in the smart card, if the smart card chip is in a state of data interaction through a coil, the controller is controlled to enter a constant power consumption mode, and if the smart card chip is in data
  • the state of processing, controlling the controller to exit the constant power consumption mode can effectively control the power consumption of peripheral modules, so that it does not cause interference to the radio frequency field during the contactless communication interaction process, ensuring the stability of contactless communication
  • the reliability and reliability improve the communication accuracy of the smart card.
  • FIG. 8 is a structural block diagram of a smart card control device according to a seventh embodiment of the present invention. As shown in FIG. 8, the smart card control device in this embodiment may include:
  • a judging module 701, configured to judge a working state of a smart card chip in a smart card
  • a control module 702 configured to control the controller to enter a constant power consumption mode when the smart card chip is in a data interaction state through a coil; and to control the controller to exit the constant power mode when the smart card chip is in a data processing state Consumption mode.
  • the smart card control device in this embodiment may be used to execute the smart card control method described in Embodiment 6.
  • the smart card control method described in Embodiment 6 For specific implementation principles, refer to Embodiment 6, and details are not described herein again.
  • the smart card control device judges the working state of the smart card chip in the smart card. If the smart card chip is in a state of data interaction through the coil, the controller controls the controller to enter a constant power consumption mode. If the smart card chip is in data
  • the state of processing, controlling the controller to exit the constant power consumption mode can effectively control the power consumption of peripheral modules, so that it does not cause interference to the radio frequency field during the contactless communication interaction process, ensuring the stability of contactless communication The reliability and reliability improve the communication accuracy of the smart card.
  • An embodiment of the present invention further provides a smart card control device including a memory, a processor, and a computer program stored in the memory and executable on the processor.
  • the processor implements the embodiment when the computer program is executed Six steps of the method.
  • the smart card control device may be a smart card chip or a controller.
  • An embodiment of the present invention further provides a computer-readable storage medium.
  • the computer-readable storage medium stores a computer program, and the computer program implements the steps of the method according to the sixth embodiment when the computer program is executed by a processor.
  • the disclosed apparatus / terminal device and method may be implemented in other ways.
  • the device / terminal device embodiments described above are only schematic.
  • the division of the modules or units is only a logical function division.
  • components can be combined or integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objective of the solution of this embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist separately physically, or two or more units may be integrated into one unit.
  • the above integrated unit may be implemented in the form of hardware or in the form of software functional unit.
  • the integrated module / unit When the integrated module / unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on such an understanding, the present invention implements all or part of the processes in the method of the foregoing embodiment, and may also be completed by a computer program instructing related hardware.
  • the computer program may be stored in a computer-readable storage medium.
  • the computer When the program is executed by a processor, the steps of the foregoing method embodiments can be implemented.
  • the computer program includes computer program code, and the computer program code may be in a source code form, an object code form, an executable file, or some intermediate form.
  • the computer-readable medium may include: any entity or device capable of carrying the computer program code, a recording medium, a U disk, a mobile hard disk, a magnetic disk, an optical disk, a computer memory, a read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), electric carrier signals, telecommunication signals, and software distribution media.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • electric carrier signals telecommunication signals
  • software distribution media any entity or device capable of carrying the computer program code
  • a recording medium a U disk, a mobile hard disk, a magnetic disk, an optical disk, a computer memory, a read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), electric carrier signals, telecommunication signals, and software distribution media.

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Abstract

La présente invention concerne une carte à puce, et un procédé, un appareil et un dispositif de commande de carte à puce. La carte à puce comprend une puce de carte à puce, une bobine, un module d'obtention d'énergie, un module de commande de consommation d'énergie et un module périphérique ; la borne d'entrée du module d'obtention d'énergie est connectée à la bobine, et le module d'obtention d'énergie est utilisé pour convertir un courant alternatif reçu de la bobine en un courant continu ; la borne de sortie du module d'obtention d'énergie est connectée au module périphérique au moyen du module de commande de consommation d'énergie ; le module de commande de consommation d'énergie est utilisé pour commander la consommation d'énergie du module périphérique. Selon la carte à puce, et le procédé, l'appareil et le dispositif de commande de carte à puce de la présente invention, la carte à puce comprend une puce de carte à puce, une bobine, un module d'obtention d'énergie, un module de commande de consommation d'énergie et un module périphérique. Par commande de la consommation d'énergie du module périphérique, la carte à puce ne brouille pas un champ radiofréquence dans le processus d'interaction de communication sans contact, la stabilité et la fiabilité de communication sans contact sont assurées, et la précision de communication de la carte à puce est augmentée.
PCT/CN2019/088149 2018-06-13 2019-05-23 Carte à puce, et procédé, appareil et dispositif de commande de carte à puce Ceased WO2019237902A1 (fr)

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CN201810609762.X 2018-06-13
CN201810609762.XA CN108649814A (zh) 2018-06-13 2018-06-13 智能卡、智能卡控制方法、装置及设备

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WO2019237902A1 true WO2019237902A1 (fr) 2019-12-19

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