CN108470202A - A kind of double interface non-contact card systems of NFC- bluetooths - Google Patents

A kind of double interface non-contact card systems of NFC- bluetooths Download PDF

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Publication number
CN108470202A
CN108470202A CN201810118202.4A CN201810118202A CN108470202A CN 108470202 A CN108470202 A CN 108470202A CN 201810118202 A CN201810118202 A CN 201810118202A CN 108470202 A CN108470202 A CN 108470202A
Authority
CN
China
Prior art keywords
nfc
bluetooths
card
power supply
antenna
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.)
Pending
Application number
CN201810118202.4A
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Chinese (zh)
Inventor
沈欣宜
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201810118202.4A priority Critical patent/CN108470202A/en
Publication of CN108470202A publication Critical patent/CN108470202A/en
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/0701—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management
    • G06K19/0707—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation
    • G06K19/0708—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation the source being electromagnetic or magnetic
    • G06K19/071—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation the source being electromagnetic or magnetic the source being a field other than an interrogation field, e.g. WLAN, cellular phone network
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
    • G06K19/0724—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs the arrangement being a circuit for communicating at a plurality of frequencies, e.g. for managing time multiplexed communication over at least two antennas of different types
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G06K19/07766—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card comprising at least a second communication arrangement in addition to a first non-contact communication arrangement
    • G06K19/07767—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card comprising at least a second communication arrangement in addition to a first non-contact communication arrangement the first and second communication means being two different antennas types, e.g. dipole and coil type, or two antennas of the same kind but operating at different frequencies

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Near-Field Transmission Systems (AREA)
  • Telephone Function (AREA)

Abstract

The invention discloses a kind of double interface non-contact card systems of NFC bluetooths, the communication of NFC and bluetooth two ways may be implemented, and power to Bluetooth communication using power supply accessory.System includes the double interface non-contact cards of NFC bluetooths and two parts of power supply accessory, accessory of powering provides NFC carrier waves and carries out power amplification and impedance matching by the driving circuit, NFC carrier waves are coupled to NFC antenna, to be transferred in the NFC antenna of the double interface non-contact cards of the NFC bluetooths, electric energy is provided for card.Card powers simultaneously to NFC and Bluetooth communication when carrying out NFC communication, by NFC reader；Card only carries out Bluetooth communication and outside when not having NFC reader, and by powering, accessory powers to Bluetooth communication.

Description

A kind of double interface non-contact card systems of NFC- bluetooths
Technical field
The present invention relates to contactless communication field, the double interface non-contact card systems of especially a kind of NFC- bluetooths.
Background technology
With the fast development and combination of Radio Frequency Identification Technology and IC card technology, based on the contactless of radio-frequency technique Card is used widely, have many advantages, such as reliability it is high, it is easy to operate, have a wide range of application.Using it is wider be to utilize NFC (Near Field Communication, near-field communication) communication RFID (Radio Frequency Identification, Radio frequency identification) card, it can be used for the fields such as article anti-counterfeit and Identity Management.
Currently, many smart mobile phones do not support NFC function also, and support that the smart mobile phone of NFC function is limited by supplier System, NFC function are normally limited or nonopen (often only supporting label function), this also gives nfc card piece and smart mobile phone Communication bring huge problem, for example can not use smart mobile phone that the nfc card operation that accesses (can not such as be supplemented with money, be looked into It askes or is updated).Since the Bluetooth function of smart mobile phone is unrestricted, support Bluetooth communication can be passed through RFID card establishes Bluetooth communication with smart mobile phone, smart mobile phone is enable to operate nfc card, or makes not support NFC function Smart mobile phone has NFC function.
But support the Bluetooth communication of RFID card of Bluetooth communication to need to power, common battery or external powering device at This is larger, will increase the cost of manufacture for the RFID card piece for supporting Bluetooth communication, is unfavorable for the popularization of RFID card piece；And by battery or It is integrated into the RFID card on piece for supporting Bluetooth communication for electric installation, card sizes will be made to become larger and thickend, pole is brought to user's use It is big inconvenient, while cost will also increase, this is runed counter to the original intention of RFID card piece is used.
Nfc card piece supports that the RFID card piece of Bluetooth communication is generally that user's use is issued in a manner of less expensive , if public transport company provides mass transit card, bank provides bank card etc..In view of business application, need RFID card piece have it is low at Originally, the requirement of convenience, although can be powered to card using the RFID of NFC communication when there is NFC reader in outside realizes NFC Communication and Bluetooth communication.But when there is no NFC reader need again to card access operation when, then still seeming, catching the flap sees Elbow, here it is due to the NFC function of card at this time and Bluetooth function due to can not work for electric installation caused by；And Since the high power consumption (relative to NFC communication) of Bluetooth function also tends to not even if mobile terminal establishes NFC communication with card The nfc card piece of support Bluetooth function can be made to start Bluetooth function, still cannot be satisfied Bluetooth communication requirement.Therefore it is badly in need of a kind of confession Electric accessory solves the powerup issue of Bluetooth communication.
Invention content
The present invention proposes a kind of double interface non-contact card systems of NFC- bluetooths, and card can support simultaneously and NFC The NFC communication of reader and Bluetooth communication with mobile terminal, and solve using power supply accessory the powerup issue of Bluetooth communication.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of NFC- bluetooths pair interface non-contact card systems include the double interface non-contact cards of NFC- bluetooths and confession Electric accessory, the double interface non-contact cards of the NFC- bluetooths include：Bluetooth antenna, blue tooth interface circuit, NFC interface circuit, NFC antenna, rectification circuit and function module, the Bluetooth antenna and blue tooth interface circuit are used for Bluetooth communication；The NFC antenna It is used for NFC communication with NFC interface circuit；The rectification circuit connects for obtaining electric energy from the NFC antenna for the bluetooth Mouth circuit, NFC interface circuit and function module power supply；The power supply accessory includes：NFC carrier generation circuits, driving circuit and NFC antenna, NFC carrier generation circuits, driving circuit and the NFC antenna are sequentially connected, the NFC antenna transmitting for accessory of powering The NFC antenna of NFC carrier waves, card couples carrier wave, and extracts electric energy using rectification circuit；The power supply accessory is only that card supplies Electricity is communicated without data.
Preferably, the power supply accessory only provides NFC carrier waves, does not load NFC signals；The NFC carrier generation circuits production Raw NFC carrier waves, and power amplification and impedance matching are carried out by the driving circuit, NFC carrier waves are coupled to described NFC days Line provides electric energy to be transferred in the NFC antenna of the double interface non-contact cards of the NFC- bluetooths for card.
Preferably, the power supply accessory obtains electric energy by external power supply, if USB power supplies, domestic power supply are through transformer After power.The voltage that the NFC carrier generation circuits provide is 5V ± 10%.The driving circuit includes power amplification electricity Road and impedance matching circuit.When accessory of powering is that card is powered, the double interface non-contact cards of NFC- bluetooths and power supply accessory Distance is less than 10cm.
Mainly including control unit (CPU and RAM etc.) and/or storage unit, (EEPROM and flash are deposited function module (6) Reservoir etc.), for realizing the basic function of card.
When the double interface non-contact cards of NFC- bluetooths carry out NFC communication, outside powers to card using NFC reader, NFC carrier waves after the modulation that sends out of NFC reader are coupled by NFC antenna first, extract electric energy using rectification circuit, while being work( Energy module, NFC interface and blue tooth interface power supply, at this point, card can both carry out NFC communication, can also carry out Bluetooth communication.
When outside does not have NFC reader, card needs to power for card using power supply accessory without NFC communication, profit The NFC antenna of the unmodulated NFC carrier waves sent out with power supply accessory, card couples carrier wave, and extracts electric energy using rectification circuit, It powers for function module and blue tooth interface, card only carries out Bluetooth communication.
The present invention can effectively solve the powerup issue of the double interface non-contact cards of NFC- bluetooths, and NFC- of the invention is blue The double interface non-contact cards of tooth can be detached from power supply accessory and be used alone when there are NFC reader；And when outside does not have NFC reader need to access to it using mobile terminal again operation when, be that card is powered by accessory of powering, realization bluetooth Communication.
Description of the drawings
Fig. 1 is the entire block diagram of NFC- bluetooths of the present invention double interface non-contact cards and power supply accessory.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.
Referring to Fig.1, the double interface non-contact card systems of a kind of NFC- bluetooths, card can be supported to read and write with NFC simultaneously The NFC communication of device and Bluetooth communication with mobile terminal, and the powerup issue of Bluetooth communication is solved using power supply accessory, it is main to wrap Include following two parts：The double interface non-contact cards 1 of NFC- bluetooths and power supply accessory 2.
When NFC- bluetooths pair interface non-contact card 1 carries out NFC communication, outside supplies card 1 using NFC reader Electricity couples NFC carrier waves after the modulation that sends out of NFC reader by NFC antenna 3 first, extracts electric energy using rectification circuit 5, together When power for function module 6, NFC interface 4 and blue tooth interface 7, at this point, card 1 can both carry out NFC communication, can also carry out Bluetooth communication.
When outside does not have NFC reader, card 1 needs to supply for card 1 using power supply accessory 2 without NFC communication Electricity, the unmodulated NFC carrier waves sent out using power supply accessory 2, later, the NFC antenna 3 of card 1 couple carrier wave, and utilize rectification Circuit 5 extracts electric energy, is that function module 6 and blue tooth interface 7 are powered, card only carries out Bluetooth communication.
NFC carrier generation circuits 9 are for generating NFC carrier waves, frequency 13.56MHz in power supply accessory 2, and pass through driving Circuit 10 carries out power amplification and impedance matching, and NFC carrier waves are coupled to NFC antenna 11, by external electromagnetic field, are transferred to card In the NFC antenna 3 of piece 1.Power supply accessory 2, power supply when not carrying out NFC communication or external no NFC reader as card 1 are set Standby, the power supply of the Bluetooth communication of card at this time is provided by power supply accessory 2.
The power supply accessory obtains electric energy by external power supply.The voltage that the NFC carrier generation circuits provide is 5V ± 10%.The driving circuit includes power amplification circuit and impedance matching circuit.When accessory of powering is that card is powered, The distance of the double interface non-contact cards of NFC- bluetooths and power supply accessory is less than 10cm.
Above-described embodiment is used for illustrating the present invention, rather than limits the invention, the present invention spirit and In scope of the claims, to any modifications and changes that the present invention makes, protection scope of the present invention is both fallen within.

Claims (6)

1. a kind of double interface non-contact card systems of NFC- bluetooths, which is characterized in that non-contact including the double interfaces of NFC- bluetooths Formula card and power supply accessory, the double interface non-contact cards of the NFC- bluetooths include：Bluetooth antenna, blue tooth interface circuit, NFC Interface circuit, NFC antenna, rectification circuit and function module, the Bluetooth antenna and blue tooth interface circuit are used for Bluetooth communication；Institute It states NFC antenna and NFC interface circuit is used for NFC communication；The rectification circuit is used to obtain electric energy from the NFC antenna, is The blue tooth interface circuit, NFC interface circuit and function module power supply；The power supply accessory includes：NFC carrier generation circuits, Driving circuit and NFC antenna, NFC carrier generation circuits, driving circuit and the NFC antenna are sequentially connected, accessory of powering NFC antenna emits NFC carrier waves, and the NFC antenna of the double interface non-contact card cards of NFC- bluetooths couples carrier wave, and utilizes rectification Circuit extraction electric energy；The power supply accessory is only that card is powered, and is communicated without data.
2. the double interface non-contact card systems of NFC- bluetooths according to claim 1, it is characterised in that：The power supply is matched Part only provides NFC carrier waves, does not load NFC signals；The NFC carrier generation circuits generate NFC carrier waves, and pass through driving electricity Road carries out power amplification and impedance matching, and NFC carrier waves are coupled to the NFC antenna, double to be transferred to the NFC- bluetooths In the NFC antenna of interface non-contact card, electric energy is provided for card.
3. the double interface non-contact card systems of NFC- bluetooths according to claim 1, it is characterised in that the power supply Accessory obtains electric energy by external power supply.
4. the double interface non-contact card systems of NFC- bluetooths according to claim 1, it is characterised in that the driving Circuit includes power amplification circuit and impedance matching circuit.
5. the double interface non-contact card systems of NFC- bluetooths according to claim 1, it is characterised in that power supply accessory is When card is powered, the distance of the double interface non-contact cards of NFC- bluetooths and power supply accessory is less than 10cm.
6. the double interface non-contact card systems of NFC- bluetooths according to claim 1, it is characterised in that the function Module includes one or more in storage unit, control unit.
CN201810118202.4A 2018-02-06 2018-02-06 A kind of double interface non-contact card systems of NFC- bluetooths Pending CN108470202A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810118202.4A CN108470202A (en) 2018-02-06 2018-02-06 A kind of double interface non-contact card systems of NFC- bluetooths

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Application Number Priority Date Filing Date Title
CN201810118202.4A CN108470202A (en) 2018-02-06 2018-02-06 A kind of double interface non-contact card systems of NFC- bluetooths

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109921832A (en) * 2019-02-20 2019-06-21 浙江讯联信息技术有限公司 Wireless transmitting system, double-frequency card reader and its magnetic field method of supplying power to using it
CN110708096A (en) * 2019-09-20 2020-01-17 广州小鸡快跑网络科技有限公司 Intelligent peripheral and NFC power supply method

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CN104253634A (en) * 2014-07-24 2014-12-31 上海励识电子科技有限公司 Double-frequency multi-protocol multifunctional NFC (near field communication) integrating system and application method
US20150242663A1 (en) * 2012-07-02 2015-08-27 Square, Inc. Wireless card reader with contactless and contact card interfaces
CN105404913A (en) * 2014-12-15 2016-03-16 珠海艾派克微电子有限公司 Non-contact card and communication and power supply methods therefor
CN206402217U (en) * 2017-02-06 2017-08-11 烟台淼盾物联技术有限公司 A kind of card reader for integrating speech talkback bluetooth NFC
CN107257165A (en) * 2017-07-31 2017-10-17 青岛众海汇智能源科技有限责任公司 Wireless electrical appliance system and multi-mode radio method of supplying power to

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US20150242663A1 (en) * 2012-07-02 2015-08-27 Square, Inc. Wireless card reader with contactless and contact card interfaces
CN103905073A (en) * 2012-11-27 2014-07-02 美国博通公司 Multiple antenna arrangement for near field communications
CN203416258U (en) * 2013-09-04 2014-01-29 河北烽联信息技术有限公司 Cell-phone data storage system
CN104253634A (en) * 2014-07-24 2014-12-31 上海励识电子科技有限公司 Double-frequency multi-protocol multifunctional NFC (near field communication) integrating system and application method
CN105404913A (en) * 2014-12-15 2016-03-16 珠海艾派克微电子有限公司 Non-contact card and communication and power supply methods therefor
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CN107257165A (en) * 2017-07-31 2017-10-17 青岛众海汇智能源科技有限责任公司 Wireless electrical appliance system and multi-mode radio method of supplying power to

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109921832A (en) * 2019-02-20 2019-06-21 浙江讯联信息技术有限公司 Wireless transmitting system, double-frequency card reader and its magnetic field method of supplying power to using it
CN110708096A (en) * 2019-09-20 2020-01-17 广州小鸡快跑网络科技有限公司 Intelligent peripheral and NFC power supply method

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Application publication date: 20180831

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