WO2012075876A1 - 通信系统及通信方法 - Google Patents
通信系统及通信方法 Download PDFInfo
- Publication number
- WO2012075876A1 WO2012075876A1 PCT/CN2011/082143 CN2011082143W WO2012075876A1 WO 2012075876 A1 WO2012075876 A1 WO 2012075876A1 CN 2011082143 W CN2011082143 W CN 2011082143W WO 2012075876 A1 WO2012075876 A1 WO 2012075876A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- card
- communication
- micro
- interface
- radio frequency
- Prior art date
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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
- G06K19/077—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
- G06K19/07769—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 further communication means being a galvanic interface, e.g. hybrid or mixed smart cards having a contact and a non-contact interface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
Definitions
- the radio frequency SIM card adopts UHF (Ultratra Frequency) technology, because UHF, especially the radio frequency SIM card using the 2.4 GHz ISM common frequency band (ie, industrial, scientific and medical frequency bands), The operating frequency is very high, the size of the antenna is small, and a small antenna can be placed in the SIM card to transmit a signal of sufficient intensity. Even if the RF SIM card is embedded in the mobile terminal, the RF signal can be transmitted from the mobile terminal and read the card.
- the industry's mainstream RF (Radio Frequency) transceiver chip can be used to receive RF signals from most mobile terminals without additional amplification, so that mobile terminals can be implemented without any structural changes to existing mobile terminals. With close-range communication.
- the radio frequency SIM card can only be issued by the telecom operator, the telecom operator often cannot directly provide the financial service, and considering that the security financial service provider or the bank cannot hand over the financial card card right to the telecom operator management, In telecommunication operators and financial service providers can not achieve cooperation In this case, the promotion of mobile payment services is very difficult and the work is slow.
- a micro IC card including:
- micro IC card may further have the following features, further comprising a first conductive member electrically connected to the first communication interface and a second conductive member electrically connected to the second communication interface.
- micro IC card may further have the following features, wherein the first conductive member and the second conductive member are metal contacts.
- the present invention further provides a radio frequency card ferrule, comprising a first card body, wherein the first card body is provided with a first accommodating cavity for accommodating a micro IC card, and the first card body
- the main interface, the main control module and the radio communication module are connected in sequence:
- the main interface is configured to communicate with the micro IC card assembled into the first receiving cavity
- the radio frequency card card sleeve may further have the following features, the micro IC card includes: a first communication interface, configured to perform contact communication;
- a second communication interface configured to perform contactless communication
- the standard IC card having the same size as the micro IC card has the same outer shape and size.
- radio frequency card card sleeve may further have the following features, and the first card body is further provided with a slave interface for the value-added service processing module:
- the _ slave interface is used for connecting and connecting the main control module and the external device
- the value-added service processing module is configured to complete processing of the value-added service command.
- the radio frequency card ferrule may further have the following feature, wherein the first accommodating cavity is provided with a third conductive member electrically connected to the main interface.
- the radio frequency card card sleeve may further have the following features, the radio frequency communication module includes a low frequency magnetic induction circuit, a low frequency amplification circuit, a threshold determination and demodulation circuit, a first control and interface circuit, a first radio frequency transceiver circuit, and a first The radio frequency antenna, wherein the low frequency magnetic induction circuit, the low frequency amplification circuit, the threshold determination and demodulation circuit, the first control and interface circuit, the first radio frequency transceiver circuit, and the first radio frequency antenna are sequentially connected in series.
- the radio frequency card ferrule may further have the following feature, the first accommodating cavity being a groove or a slot.
- the present invention also provides a dual interface card sleeve, including a second card body, the second card body is provided with a second receiving cavity for the micro IC card, the second card body or The second card body is provided with an antenna for connecting with the micro IC card assembled into the second receiving cavity to perform contactless communication with the micro IC card.
- a second communication interface configured to perform contactless communication
- a main module configured to process data sent and received by the first communication interface and the second communication interface, and control the first communication interface and the second communication interface.
- the dual interface ferrule may further have the following features, and the second accommodating cavity is a groove or a slot.
- the present invention also provides a multi-frequency card reader, comprising an external device interface, a main controller, a first reading module and a second reading module.
- the second reading module is configured to pass through the second RF channel and the miniature assembled into the dual interface card sleeve
- the IC card performs communication; the main controller is configured to control the external device interface, the first reading module, and the second reading module.
- the above multi-frequency card reader can also have the following features.
- the micro IC card includes:
- a first communication interface configured to perform contact communication
- a main module configured to process data sent and received by the first communication interface and the second communication interface, and control the first communication interface and the second communication interface;
- the radio frequency card card sleeve includes:
- the first card body is provided with a first receiving cavity for accommodating a micro IC card
- the first card body is provided with a main interface, a main control module and a radio frequency communication module, which are sequentially connected, the main body
- the interface is configured to communicate with the micro IC card that is assembled into the first accommodating cavity
- the radio frequency communication module is configured to perform radio frequency communication
- the main control module is configured to complete transmission and reception and preliminary analysis of service commands, and according to the analysis Cruising and shunting the service commands;
- the dual interface card sleeve includes:
- the second card body is provided with a second receiving cavity for the micro IC card, and the second card body or the second card body is provided with an antenna, and the antenna is used for assembling
- the micro IC card of the second receiving cavity is connected to perform contactless communication with the micro IC card.
- the multi-frequency card reader may further have the following features, the first reading module includes a low frequency transmission line, a driving circuit, an encoding circuit, a second control and interface circuit, a second RF transceiver circuit, and a second RF The antenna, wherein the low frequency transmitting coil, the driving circuit, the encoding circuit, the second control and interface circuit, the second RF transmitting and receiving circuit, and the second RF antenna are connected in series in series.
- the multi-frequency reader may be further characterized, the operating frequency of the first read block 2. 4GHz, the second reading module working frequency of 1 3. 56MHz 0
- the present invention also proposes a communication system, including a micro IC card, a radio frequency card card sleeve and a multi-frequency card reader:
- the micro IC card is configured to communicate with the radio frequency card card sleeve through a contact interface;
- the multi-frequency card reader is used for radio frequency communication of the radio frequency card card sleeve.
- the above communication system may also have the following features.
- the micro IC card includes:
- a first communication interface configured to perform contact communication
- a second communication interface configured to perform contactless communication
- a main module configured to process data sent and received by the first communication interface and the second communication interface, and control the first communication interface and the second communication interface;
- the radio frequency card card sleeve includes:
- the first card body is provided with a first receiving cavity for accommodating a micro IC card
- the first card body is provided with a main interface, a main control module and a radio frequency communication module, which are sequentially connected, the main body
- the interface is configured to communicate with the micro IC card that is assembled into the first accommodating cavity
- the radio frequency communication module is configured to perform radio frequency communication
- the main control module is configured to complete transmission and reception and preliminary analysis of service commands, and according to the analysis As a result, the service command is offloaded;
- the multi-frequency card reader includes:
- a first reading module configured to communicate with the micro IC card assembled into the RF card holder through the first RF channel
- a second reading module configured to communicate with the micro IC card assembled into the dual interface card sleeve through the second RF channel;
- An external device interface for communicating with external devices
- the main controller is configured to control the external device interface, the first reading module, and the second reading module.
- the above communication system may further have the following features, and further includes a dual interface card sleeve, wherein the interface card sleeve is used for non-contact communication with the micro ic card.
- the dual interface card sleeve includes a second card body, and the second card body is provided with a second receiving cavity for the micro IC card, or the second card body or The second card body is provided with an antenna for connecting with the micro IC card assembled into the second receiving cavity to perform contactless communication with the micro card.
- the present invention also proposes a communication system including a micro IC card, a dual interface card holder and a multi-frequency card reader: Frequency communication.
- the above communication system may also have the following features.
- the micro IC card includes:
- a first communication interface configured to perform contact communication
- a second communication interface configured to perform contactless communication
- a main module configured to process data sent and received by the first communication interface and the second communication interface, and control the first communication interface and the second communication interface;
- the dual interface card sleeve includes:
- the multi-frequency card reader comprises:
- a first reading module configured to pass through the first RF channel and the micro type assembled into the RF card holder: [C card for communication;
- a second reading module configured to communicate with the micro IC card assembled into the dual interface card sleeve through the second RF channel;
- An external device interface for communicating with external devices
- the present invention also provides a communication method, including:
- the micro IC card card sleeve exchanges data with the micro IC card through contact communication.
- the present invention also provides a communication method, including:
- Data exchange is performed through a radio frequency channel with a micro IC card assembled into a micro IC card holder.
- the communication system and the communication method of the invention provide an operator with an acceptance environment adapted to different frequency cards, so that the telecommunication operators and financial service providers can independently issue their respective cards, thereby reducing the difficulty of promoting the mobile payment service and facilitating promotion. Promotion and application of mobile payment services.
- Figure ⁇ is a structural block diagram of a communication system in an embodiment of the present invention.
- FIG. 2 is another structural block diagram of a communication system according to an embodiment of the present invention
- 4 is a structural block diagram of a radio frequency card card sleeve according to an embodiment of the present invention
- FIG. 5 is a structural block diagram of the radio frequency communication module 250 of FIG. 4;
- FIG. 6 is a structural block diagram of a dual interface card sleeve according to an embodiment of the present invention.
- FIG. 7 is a structural block diagram of a multi-frequency card reader in an embodiment of the present invention.
- FIG. 8 is a structural block diagram of the first reading module 410 of FIG.
- the principles and features of the present invention are described in conjunction with the drawings, which are intended to illustrate the invention and are not intended to limit the scope of the invention.
- FIG. 1 is a structural block diagram of a communication system according to an embodiment of the present invention.
- the communication system 10 includes a micro IC card 100, a radio frequency card card holder 200, and a multi-frequency card reader 400.
- the micro IC card 1 00 is connected to the radio frequency card card set 200 by wire, and the multi-frequency card reader 400 and the radio frequency card card set 200 are connected by wireless.
- the micro IC card 100 is used to communicate with the RF card holder 200 through a contact interface.
- the multi-frequency card reader 400 is used for radio frequency card card set 200 for radio frequency communication.
- FIG. 2 is another structural block diagram of a communication system according to an embodiment of the present invention. As shown in FIG.
- the communication system 20 includes a micro IC card 100, a dual interface card holder 300, and a multi-frequency card reader 400.
- the type IC card 100 and the dual interface card holder 300 are connected by wire, and the multi-frequency card reader 400 and the dual interface card holder 300 are connected by wireless.
- the dual interface card holder 300 is used for contactless communication with the micro IC card 100.
- the multi-frequency card reader 400 is used for radio frequency communication with the micro IC card 100 assembled into the X interface card holder 300.
- the communication system may include a micro IC card 100, a radio frequency card holder 200, a dual interface card holder 300, and a multi-frequency card reader 400.
- the micro IC card 100 can be selectively connected to any of the RF card holder 200 and the dual interface card holder 300 to communicate with the multi-frequency card reader 400.
- micro IC card 100 The structure of the micro IC card 100, the radio frequency card card holder 200, the dual interface card holder 300, and the multi-frequency card reader 400 in the communication system 10 and the communication system 20 will be described in detail below.
- FIG. 3 is a structural block diagram of a micro IC card according to an embodiment of the present invention.
- the micro IC card 100 includes a first communication interface 110, a second communication interface 120, and a main module 130.
- the first communication interface 110 and the second communication interface 120 are respectively connected to the main module 130.
- the first communication interface 110 is for making contact communication.
- the second communication interface 120 is for performing contactless communication.
- the main module 130 is a body module of the micro IC card 100 for processing the first communication interface 110 and the second The data transmitted and received by the communication interface 120, and the first communication interface 110 and the second communication interface 120 are controlled.
- the first communication interface 110 can be a 7816 interface
- the second communication interface 120 can be a radio frequency communication interface.
- the second communication interface 120 has a typical operating frequency of 1 3, 56 MHz.
- the micro IC card 100 may further include a first conductive member electrically connected to the first communication interface 110 and a second conductive member electrically connected to the second communication interface 120.
- both the first conductive member and the second conductive member may be metal contacts having electrical conductivity.
- the micro IC card can be a micro S IM card, a micro U IM card or a micro 11S IM card.
- the micro IC card of the present invention has both a contact type and a non-contact type communication interface, and is capable of both contact type communication and non-contact type communication, and expands the application range of the micro IC card.
- FIG. 4 is a structural block diagram of a radio frequency card card sleeve according to an embodiment of the present invention.
- the RF card holder 200 includes a first card body 2 10.
- the first card body 21G is provided with a first housing chamber 220 for accommodating the above-described micro IC card 100.
- the first card body 210 is provided with a main interface 230, a main control module 240 and a radio frequency communication module 250 which are sequentially connected.
- the main interface 230 is for communicating with the first communication interface 110 of the micro IC card 100 assembled into the first housing chamber 220.
- the first card body 210 has the same shape and size as the standard IC card corresponding to the micro IC card 100, so that the RF card holder 200 can be loaded into the existing IC card housing structure in the device.
- the standard IC card corresponding to the micro IC card 100 may be an S IM card, a drawing card, a US IM card, or the like.
- the RF card holder 200 can be placed directly into the housing structure of the SIM card in the mobile phone.
- the number of the first accommodating cavities 120 provided on the first body 210 may be one or more.
- the micro IC card 100 can perform radio frequency communication by means of the RF communication module 250 of the RF card holder 200, that is, The micro card 100 is connected to the main interface 230 (which is a contact interface) of the radio frequency card holder 200 through its first communication interface 1 1 0 (for the fused interface), and the first communication interface 1 10 is required to be transceived and received.
- the data is transmitted to the main control module 240 through the main interface 230, and then controlled by the main control module 240 to perform transceiving.
- the first receiving cavity 220 can be a groove or a slot.
- the first card body 210 of the RF card holder 200 may further be provided with a slave interface 260 and a value-added service processing module 270.
- the slave interface 260 and the value-added service processing module 270 respectively
- the main control module 240 is connected.
- the slave interface 260 is used for connecting the main control module 240 with an external device, such as a mobile terminal, a contact card reader, etc., as a bridge for data communication between the two parties, and the design of the interface 260 conforms to the requirements of the relevant industry standard.
- the main control module 240 is configured to complete the sending and receiving of the service command and the initial unfolding, and perform the offload processing on the service command according to the unfolding node (the service command is respectively transmitted to the value-added service processing module 270 and the micro-IC card 100 through the main interface 230) And return the execution result.
- the main interface 230 is used for connecting the main control module 240 and the micro card IGO assembled into the first accommodating cavity 220 as a bridge for data communication between the two components.
- the value-added service processing module 270 is configured to complete processing of all value-added service commands.
- the radio frequency communication module 250 is used for radio frequency communication.
- the radio frequency communication module 250 can establish a radio frequency communication connection with the radio frequency card reader to assist the value-added service processing module 270 to complete the processing of the value-added service.
- the radio frequency signal of the radio frequency communication module 250 may be a radio frequency signal of any radio frequency band.
- the radio frequency communication module 250 may include a function unit such as a distance control unit, a radio frequency transceiver unit, and an antenna.
- the distance control unit may be implemented by a low frequency magnetic communication method, and the radio frequency transceiver is implemented.
- the unit may be an ultra high frequency communication transceiver such as 2. 4G.
- the value added service processing module 270 can be used to handle various value added services provided by a telecommunications carrier or a financial service provider, such as a mobile payment service.
- the first accommodating cavity 220 may be internally provided with a third conductive member electrically connected to the main interface 230 for making electrical connection with the first conductive member of the micro IC card 100 embedded in the first accommodating cavity 220.
- the third conductive member may be a " ⁇ electrical contact, such as a metal contact.
- the first receiving cavity 220 may also be provided with a fixing member for fixing the micro IC card 100 to ensure stable and working contact of the embedded micro IC card 100. Normal.
- FIG. 5 is a structural block diagram of the radio frequency communication module 250 of FIG.
- the radio frequency communication module 250 can include a low frequency magnetic induction circuit 251, a low frequency amplification circuit 252, a threshold determination and demodulation circuit 253, a first control and interface circuit 254, a first radio frequency transceiver circuit 255, and a first radio frequency antenna 256.
- the low frequency magnetic induction circuit 251, the low frequency amplification circuit 252, the threshold determination and demodulation circuit 253, the first control and interface circuit 254, the first radio frequency transceiver circuit 255, and the first radio frequency antenna 256 are sequentially connected in series.
- FIG. 6 is a structural block diagram of a dual interface card sleeve according to an embodiment of the present invention.
- the dual interface ferrule 300 includes a second card body 301.
- the second card body 310 is provided with a second housing chamber 320 for accommodating the above-described micro IC card 100.
- An antenna 330 is disposed in the second card body 31 0 or on the second card body 310.
- the antenna 330 is used for the first part of the micro IC card 100 that is assembled into the second housing cavity 320.
- the two communication interfaces 120 are connected to perform contactless communication with the second communication interface 120 of the micro IC card 100.
- the second receiving cavity 320 can be a groove or a slot.
- the second communication interface 120 of the micro IC card 100 and the antenna 330 of the dual interface card holder 300 can be combined for contactless communication.
- the number of the second accommodating cavities 320 disposed on the second card body 310 may be one or more.
- a fourth conductive member may be disposed in the second receiving cavity 320.
- the fourth conductive member is electrically connected to the antenna 330, and the fourth conductive member is used to form an electrical connection with the second conductive member of the micro IC card 100. Since the second conductive member of the micro IC card 100 is electrically connected to the second communication interface 120, the antenna 330 of the dual interface card holder 300 and the second communication interface of the micro IC card 100 can be established by the fourth conductive member and the second conductive member. connection.
- the first conductive member may be a metal conductive contact or an elastic metal conductive spring.
- a fixing member for fixing the micro IC card 100 may be disposed in the second accommodating cavity 320 to ensure that the embedded micro IC card 100 is in stable contact and works normally.
- FIG. 7 is a structural block diagram of a multi-frequency card reader according to an embodiment of the present invention.
- the multi-frequency card reader 400 includes a first reading module 410, a second reading module 420, a main controller 430, and an external device interface 440.
- the external device interface 440, the first reading module 410 and the second reading module 420 are respectively connected to the main controller 430.
- the first reading module 410 is configured to communicate with the micro IC card 100 assembled into the RF card holder 200 described above through the first RF channel.
- the second read module 420 is for communicating with the micro IC card 100 assembled into the dual interface ferrule 300 described above via the second RF channel.
- the external device-slave interface 440 is used to communicate with an external device (a P0S host, a access control host, or another application host, performing various business processes).
- the main controller 430 is for controlling the external device interface 440, the first reading module 410, and the second reading module 420.
- the multi-frequency card reader 400 is a radio frequency card reader.
- the operating frequency of the first reading module 410 may be 2. 4 GHz, and the operating frequency of the second reading module 420 may be 13. 56MHz.
- FIG. 8 is a structural block diagram of the first read block 410 of FIG. 7.
- the first reading module 410 may include a low frequency transmission line diagram 411, a driving circuit 412, an encoding circuit 414, a second control and interface circuit 415, a second radio frequency transceiver circuit 416, and a second radio frequency antenna 417, wherein The low frequency transmitting coil 411, the driving circuit 412, the encoding circuit 414, the second control and interface circuit 415, the second RF transmitting and receiving circuit 416, and the second RF antenna 417 are sequentially connected in series.
- a modulation circuit 413 may also be provided between the drive circuit 412 and the encoding circuit 414.
- the RF communication module 250 shown in FIG. 5 can be in communication to perform RF transactions.
- the application host such as the P0S host can perform communication and transaction operations with the RF card holder 200 or the dual interface card holder 300 equipped with the micro IC card 100 by adding the multi-frequency card reader 400.
- the operator or the financial service provider can receive the card reading services of the two different communication frequencies by arranging and configuring the P0S host having the multi-frequency card reader 400 at each of the business outlets.
- the micro IC card 100 can be issued by the telecom operator.
- the financial service provider or the third-party payment operator issues the RF card holder 200, and the micro card 1 G0 is loaded into the RF card holder 200. At the same time, it realizes telecom functions and financial service functions.
- the radio frequency card card set 200 can also be issued by the telecommunication operator, the financial service provider or the third party payment operator issues the micro IC card 100, and the micro IC card 100 is loaded into the radio frequency card card cover 200, so that Features such as telecommunications functions and financial services.
- the communication system of the present invention has two different uses:
- the micro IC card 100 can be loaded into the RF card card holder 200, and then the SIM card, UIM card or USIM card inserted into the mobile terminal as a whole.
- the slot, the RF communication channel provided by the RF card holder 200 and the multi-frequency card reader 400 are communicated and traded at a frequency of 1. 4 GHz.
- the second is that when the mobile terminal lacks power or the user wishes to replace the micro IC card 100 in the mobile terminal, the micro IC card 100 can be taken out from the radio frequency card card holder 200 and then loaded into the dual interface card holder 300.
- the second communication module 120 of the micro IC card 100 and the antenna 330 on the dual interface card holder 300 are used for communication and transaction operations with the multi-frequency card reader 400 at a radio frequency channel operating at a frequency of 13' 56 MHz.
- the communication system of the present invention provides an operator with an acceptance environment adapted to different frequency cards, so that telecom operators and financial service providers can independently issue their own cards, which reduces the difficulty of promotion of mobile payment services and facilitates mobile payment services. Promotional application.
- the invention also proposes a communication method, which is applied to the communication system shown in FIG. 1.
- the communication method comprises: exchanging data with a micro IC card card sleeve through a radio frequency channel, and then the micro IC card card sleeve passes through Contact communication and micro IC card for data exchange.
- the present invention also proposes a communication method applied to the communication system shown in FIG. 2, the communication method comprising: exchanging data through a radio frequency channel with a micro IC card assembled into a micro IC card card holder.
- the communication method of the present invention is applied to the above communication system, and provides an operator with an acceptance environment suitable for cards of different frequencies, so that telecom operators and financial service providers can independently issue their own cards, thereby reducing the difficulty of promoting the mobile lining business. It is conducive to promoting the promotion of mobile payment services.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
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Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US13/884,987 US8983544B2 (en) | 2010-12-06 | 2011-11-14 | Communication system and communication method |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
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CN201010574647.7 | 2010-12-06 | ||
CN2010105746477A CN102486842A (zh) | 2010-12-06 | 2010-12-06 | 一种射频卡装置 |
CN2010206789013U CN201903903U (zh) | 2010-12-24 | 2010-12-24 | 一种双界面ic卡装置 |
CN201020678901.3 | 2010-12-24 | ||
CN201010618673.5A CN102567751B (zh) | 2010-12-31 | 2010-12-31 | 一种近距离射频通信系统及方法 |
CN201010618673.5 | 2010-12-31 |
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WO2012075876A1 true WO2012075876A1 (zh) | 2012-06-14 |
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PCT/CN2011/082143 WO2012075876A1 (zh) | 2010-12-06 | 2011-11-14 | 通信系统及通信方法 |
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WO (1) | WO2012075876A1 (zh) |
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CN205375521U (zh) * | 2016-01-15 | 2016-07-06 | 深圳市骄冠科技实业有限公司 | 一种机场候机区旅客射频识别定位系统 |
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