CN201698449U - Card reader and radio-frequency data communication system - Google Patents
Card reader and radio-frequency data communication system Download PDFInfo
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- CN201698449U CN201698449U CN 201020274104 CN201020274104U CN201698449U CN 201698449 U CN201698449 U CN 201698449U CN 201020274104 CN201020274104 CN 201020274104 CN 201020274104 U CN201020274104 U CN 201020274104U CN 201698449 U CN201698449 U CN 201698449U
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Abstract
The utility model discloses a card reader and a radio-frequency data communication system. The card reader comprises an NFC communication interface, a radio-frequency communication interface and a processor; the NFC communication interface is electrically connected with the processor, and is used for wirelessly communicating with an NFC card; the radio-frequency communication interface is electrically connected with the processor, and is used for wirelessly communicating with a radio-frequency SIM card; and the processor exchanges data with the NFC communication interface and the radio-frequency communication interface. The radio-frequency data communication system comprises a mobile terminal and the card reader, and the radio-frequency SIM card used for wirelessly communicating with the radio-frequency communication interface in the card reader and the NFC card used for wirelessly communicating with the NFC communication interface in the card reader are arranged in the mobile terminal. The utility model solves the problems that: the distance of the conventional radio-frequency SIM card cannot be accurately and reliably controlled, and the information security of radio-frequency data communication cannot be guaranteed.
Description
Technical field
The utility model relates to field of radio frequency communication, relates in particular to a kind of card reader and rf data communication system.
Background technology
Radio communication is a kind of general communication, and its modulation system such as use frequency modulation, amplitude modulation or phase modulation is modulated into wireless signal with digital signal and transmits.In a radio-frequency (RF) communication system,, can use technology such as time division multiplex, frequency division multiplexing and CDMA to come a plurality of equipment of internal system are distinguished usually in order to discern to a plurality of equipment in the system.
NFC (Near Field Communication, near-field communication) technology is as a kind of the short distance wireless communication technology, have safe, anti-eavesdrop is effective, is widely used in applications such as wireless payment, authentication.Usually NFC uses the 13.56MHz frequency range to realize wireless near field communication.
Mobile payment, be also referred to as mobile-phone payment, allow the user to use its portable terminal (normally mobile phone) that a kind of method of service that account is paid is carried out in the commodity or the service of being consumed exactly, the booking of swiping the card when taking bus or subway, the purchase film ticket of swiping the card at the cinema, in the supermarket or the hotel swipe the card and check.Whole mobile payment value chain comprises mobile operator, payment services merchant, application provider, equipment supplier, system integrator, businessman and terminal user.
At present, the implementation of mobile payment mainly depends on following several technology:
1.NFC mobile phone technique: the NFC mobile phone technique is integrated NFC chip and the radio-frequency antenna that is used for close distance radio frequency communication on mobile phone, as the NFC mobile phone that is operated in the 13.56MHz frequency range of Nokia.SIM card realizes the radio frequency payment function by the radio frequency chip that connects on the mobile phone.
2.SIM Pass technology: this technology uses double-interface card to realize the carrying of SIM card function, uses flexible PCB antenna to connect the NFC antenna, realizes the radio frequency payment function.
3. pad pasting card technique: this technology is used the pad pasting encapsulation of double-interface card, filters interested instruction between mobile phone and SIM card.Simultaneously, the pad pasting cartoon is crossed flexible PCB and is connected the NFC antenna, realizes the radio frequency payment function.
4. radio-frequency SIM card technology: this technology uses high frequency, very high frequency(VHF), ultrahigh frequency and microwave frequency band signal to realize data communication.These band frequency height, antenna can be accomplished on the SIM card, can realize that therefore single deck tape-recorder provides the function of radio frequency payment.
But all there is self insoluble problem in existing various technology, are difficult in actual applications promote.
At first, the NFC mobile phone technique requires to change user mobile phone, and technology upgrading is with high costs.And support that in the market the mobile phone quantity of NFC technology is few, can't satisfy the demand that user individual is selected.
Secondly, the general capacity of double-interface smart card that SIM Pass technology is used is less, is difficult to provide the demand of each mobile operator one card for multiple uses.In addition, the cost of flexible antennas is higher, and the connective stability problem also can't thoroughly solve all the time.Simultaneously, mobile phone SIM deck form differs, and different forms need be used different flexible antennas, and this has caused the user to be difficult to accept undoubtedly.
The 3rd, the pad pasting card technique need use flexible PCB antenna equally, and this will cause and the same problem of SIM Pass technology.
The 4th, the frequency range penetration power that the radio-frequency SIM card technology is used is strong, can't realize real NFC communication, and the distance control that prior art is done all can't guarantee the information security of process of exchange.
Summary of the invention
The purpose of this utility model is to provide a kind of card reader, has the double frequency synergistic function; The utility model also provides the rf data that is made of this card reader communication system, this rf data communication system can be controlled the on off state of radio frequency communication interface, thereby define portable terminal only just can finish within the scope of swiping the card of NFC card and card reader between the foundation of radio-frequency channel and the safe transmission of radio-frequency information, make it can solve the problem that existing radio-frequency SIM card can't carry out distance control accurately and reliably and can't guarantee the information security of process of exchange.
The card reader that the utility model provides is characterized in that, it comprises a NFC communication interface that is electrically connected, is used for sticking into NFC capable wireless telecommunications with processor; A radio communication interface that is electrically connected, is used for carrying out wireless telecommunications with processor with radio-frequency SIM card; A processor that carries out data interaction with NFC communication interface, radio communication interface.
The rf data communication system that the utility model provides with above-mentioned card reader, it is characterized in that, it also comprises portable terminal, be provided with the radio-frequency SIM card that is used for carrying out wireless telecommunications in the portable terminal with the radio communication interface of card reader, and the NFC card that is used for carrying out with the NFC communication interface of card reader wireless telecommunications.
Described NFC card is as a kind of RFID (Radio Frequency Identification, radio-frequency (RF) identification) label, can select products such as Mifare card, DESFire card and Felica card for use apart from the control technology maturation, this series products can both pass through thin-film package technology, radio-frequency antenna and chip are encapsulated in the film paster simultaneously, and the NFC card of this film paster form can make things convenient for firm sticking on the various portable terminals.
A kind of rf data communication system that makes up by the NFC card that the utility model provides is used to finish radio-frequency SIM card is carried out distance control accurately and reliably, has guaranteed the information security in the process of exchange simultaneously.This system comprises card reader and portable terminal, is provided with NFC communication interface, radio communication interface ﹠ processor in the card reader, is provided with NFC card and radio-frequency SIM card in the portable terminal; The NFC communication interface is used for setting up near-field communication with the NFC card and is connected, and finishes the data access to the NFC card, and and processor between carry out data interaction; Radio-frequency SIM card is for possessing the radio frequency smart card of contact SIM card function and non-contact radio-frequency communication function simultaneously; The radio communication interface is used for setting up radio frequency with radio-frequency SIM card and is connected, and receives the radio-frequency information from radio-frequency SIM card, or sends radio-frequency information to radio-frequency SIM card; Processor is used to receive and handle the data message from NFC communication interface and radio communication interface, and the on off state of control NFC communication interface and radio communication interface; The NFC card carries out data communication as a kind of RFID label with the NFC communication interface of same frequency range, carries out the instruction that the NFC communication interface is assigned, and carries out result's feedback.
Compare with prior art, the beneficial effects of the utility model are: the advantage that can advantages of simplicity and high efficiency merges NFC rf data communication scheme and radio-frequency SIM card rf data communication scheme by the utility model, realization has guaranteed the information security of radio-frequency SIM card in the rf data communication process simultaneously to radio-frequency SIM card distance control accurately and reliably.The utility model has made full use of existing NFC card as the transaction security that means of payment had and the characteristic that volume is little, cost is low of radio-frequency SIM card, can significantly improve the security of rf data communication, and effectively reduce the implementation cost of rf data communication.
Description of drawings
Fig. 1 is the structural representation of card reader and rf data communication system.
Fig. 2 is the mobile terminal configuration synoptic diagram.
Fig. 3 is the Card Reader process flow diagram of card reader.
Embodiment
Below by by embodiment and accompanying drawing the utility model being described in further detail, but following examples only are illustrative, and protection domain of the present utility model is not subjected to the restriction of these embodiment.
The rf data communication system that the utility model provides can realize that double frequency is collaborative, wherein, described double frequency is meant two kinds of rf frequencies, for example being used for the 13.56Mhz of near field payment and the 2.4Ghz that is used for radio-frequency SIM card, is that example is described in further detail the utility model system in the rf data communication field with these two kinds of rf frequencies below.
This rf data communication system combines the advantage based on two kinds of solutions of radio-frequency SIM card of the near field payment of 13.56M and 2.4G, respectively will be based on the 13.56M near-field communication merging of characteristic convenient and efficient such as represent apart from controllability and transaction security with based on two interfaces controllability of 2.4G radio-frequency SIM card and contact information, on the basis of the transaction security that has guaranteed the rf data communication, simple efficient realization of system that provides by the utility model guaranteed the information security of radio-frequency SIM card in the rf data communication process simultaneously to radio-frequency SIM card distance control accurately and reliably.The utility model has made full use of existing NFC card as the transaction security that means of payment had and the characteristic that volume is little, cost is low of radio-frequency SIM card, can significantly improve the security of rf data communication, and effectively reduce the implementation cost of rf data communication.
As shown in Figure 1, be provided with NFC communication interface 101, radio communication interface 102 and processor 103 in the card reader 100 described in the utility model.Card reader 100 is for supporting the double frequency reader device of NFC communication interface 101 and radio communication interface 102, and the processor 103 in this equipment can be visited NFC cards 201 by NFC communication interface 101, and by radio communication interface 102 visit radio-frequency SIM cards 202.
Described NFC communication interface 101 and radio communication interface 102 all only are under the opening, could realize above-mentioned functions and operation.
The rf data communication system comprises card reader 100 and portable terminal 200, and portable terminal 200 comprises NFC card 201 and radio-frequency SIM card 202.
NFC card 201 carries out data communication for being operated in the near-field communication smart card of 13.56MHz frequency range with the NFC communication interface 101 that is operated in the 13.56MHz frequency range, carries out the instruction that NFC communication interface 101 is assigned, and carries out result's feedback.Described NFC communication interface 101 is the non-contact type wireless interface based on the 13.56MHz frequency range, meets the ISO radio frequency standard, as ISO 14443A, ISO 15693 etc.Described NFC card 201 can be selected the products such as Mifare card, DESFire card and Felica card apart from the control technology maturation for use, this series products can both pass through thin-film package technology, radio-frequency antenna and chip are encapsulated in the film paster simultaneously, can make things convenient for firm sticking on the various portable terminals.
Radio-frequency SIM card 202 is for possessing the radio frequency smart card of contact SIM card function and non-contact radio-frequency communication function simultaneously, the RF-SIM based on the 2.4GHz frequency range (radio-frequency SIM) card that provides of Guoming Technology Co., Ltd for example carries out data communication by its contact communication interface and the realization of contactless communication interface and portable terminal and radio-frequency SIM card 202 respectively.Described contact communication interface meets ISO 7186 agreements, is used to realize the contact data communication between radio-frequency SIM card 202 and the portable terminal; Described contactless communication interface is the non-contact type wireless interface based on the 2.4GHz frequency range.
This rf data communication system can be used as attendance recorder, perhaps mobile-payment system.
The REID that the utility model utilization has been widely used in the other technologies field is controlled the foundation of multiband data link with collaborative, send to processor 103 behind the identification information that described NFC communication interface 101 obtains in the NFC card 201, processor 103 draws the information such as mailing address that are used for radio communication according to this identification information and respective algorithms, subsequently, under the control of processor 103, radio communication interface 102 is set up radio communication with radio-frequency SIM card 202 and is connected the line data transmission of going forward side by side.Described radio-frequency SIM card 202 has identical identification information with NFC card 201, identification information separately writes in 201 hair fastener stages of NFC card and 202 individualized stages of radio-frequency SIM card respectively, this identification information can carry out unique identification to radio-frequency SIM card 202 and NFC card 201, in addition, described identification information also can be the unique data information that obtains by some method conversion.
The configuration schematic diagram of portable terminal 200 described in the utility model as shown in Figure 2, described NFC card 201 is fixedly installed on portable terminal 200 case surface or is fixedly installed on other any positions that can conveniently be read by described NFC communication interface 101 of portable terminal 200.
The rf data communication system that the utility model provides has made up a radio frequency safety channel, and its process comprises the steps:
(1) radio-frequency SIM card initialization.Finish in individualized operation's the process in the radio-frequency SIM card stage of dispatching from the factory, the identification information that will be used for unique definite its identity writes the storage space of this radio-frequency SIM card.
(2) NFC card initialization.In the distribution process of radio-frequency SIM card and NFC card, the identification information that is stored in the storage space of radio-frequency SIM card is read, and with the storage space of its NFC card that writes direct, after maybe this identification information being changed according to certain algorithm, the result data information that obtains is write the storage space of NFC card as the identification information of NFC card.
(3) NFC card 201 is fixedly installed on the described portable terminal 200, and with pack into the SIM card seat of portable terminal 200 of radio-frequency SIM card 202;
(4) in described card reader 100 NFC communication interface 101 is set, described NFC communication interface 101 is used to collect and transmit the identification information of described NFC card 201;
(5) identification information that is provided by described NFC card 201 is set up the less radio-frequency connection between radio communication interface 102 and the radio-frequency SIM card 202.Wherein, successfully read in described NFC communication interface 101 under the situation of identification information of NFC card 201, described radio communication interface 102 could be set up less radio-frequency according to the radio-frequency SIM card 202 in described identification information and the described portable terminal 200 and be connected the line data of going forward side by side and transmit.
(A1) card reader powers on, and carries out initialization operation, and NFC communication interface 101 acquiescences that are arranged in the card reader are in opening, and the radio communication interface 102 that is arranged in the card reader is in closed condition;
(A1) NFC communication interface 101 is sought card instruction by continual transmission NFC card 201 is carried out poll, if NFC communication interface 101 detects the response of NFC card 201, then changes step (A2) over to, otherwise, proceed poll and detect;
(A2) NFC communication interface 101 is carried out less radio-frequency with NFC card 201 and is connected, and reads the identification information that NFC card 201 provides, and this identification information is sent to the processor 103 that is provided with in the card reader;
(A3) processor 103 obtains identification information, and generate a random number by self or other hardware devices, the mailing address etc. that processor 103 uses these random numbers and identification information to go out to be used for radio communication by certain algorithm computation is connected parameter, subsequently, radio communication interface 102 is opened in processor control, and broadcasts described random number;
(A4) radio-frequency SIM card 202 receives the random number that radio communication interface 102 is broadcasted, unique identification information by being stored in self storage space and this random number and mailing address of going out to be used for radio communication with processor 103 identical algorithm computation etc. are connected parameter, and use this connection parameter and radio communication interface 102 to connect and data transmission.
Set up in each step of process at above radio frequency safety channel, in case be arranged on the information of leaving the theatre that card reader 100 interior NFC communication interfaces 101 detect NFC card 201, then radio communication interface 102 will be closed at once, and described radio communication is terminated.
Should be clear and definite, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the new work prerequisite of creation, all belong to the scope of the utility model protection.
Claims (4)
1. a card reader is characterized in that it comprises
A NFC communication interface that is electrically connected, is used for sticking into capable wireless telecommunications with processor with NFC;
A radio communication interface that is electrically connected, is used for carrying out wireless telecommunications with processor with radio-frequency SIM card;
A processor that carries out data interaction with NFC communication interface, radio communication interface.
2. rf data communication system with the described card reader of claim 1, it is characterized in that, it also comprises portable terminal, be provided with the radio-frequency SIM card that is used for carrying out wireless telecommunications in the portable terminal with the radio communication interface of card reader, and the NFC card that is used for carrying out with the NFC communication interface of card reader wireless telecommunications.
3. rf data communication system according to claim 2 is characterized in that, this rf data communication system is an attendance recorder.
4. rf data communication system according to claim 2 is characterized in that, this rf data communication system is a mobile-payment system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020274104 CN201698449U (en) | 2010-07-30 | 2010-07-30 | Card reader and radio-frequency data communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020274104 CN201698449U (en) | 2010-07-30 | 2010-07-30 | Card reader and radio-frequency data communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201698449U true CN201698449U (en) | 2011-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020274104 Expired - Fee Related CN201698449U (en) | 2010-07-30 | 2010-07-30 | Card reader and radio-frequency data communication system |
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| CN (1) | CN201698449U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832961A (en) * | 2011-06-16 | 2012-12-19 | 王海泉 | Multi-band signal transceiving device |
| CN102957453A (en) * | 2011-08-25 | 2013-03-06 | 深圳光启高等理工研究院 | Communication method and communication system of radiofrequency SIM (subscriber identity module) cards based on magnetic communication |
| CN103093541A (en) * | 2011-10-31 | 2013-05-08 | 深圳光启高等理工研究院 | Mobile payment distance control system and mobile payment distance control method |
| CN103413218A (en) * | 2013-08-07 | 2013-11-27 | 天地融科技股份有限公司 | Mobile terminal, NFC payment method, NFC payment device and NFC payment system |
| CN105809078A (en) * | 2014-12-31 | 2016-07-27 | 国民技术股份有限公司 | Method for preventing conflicts between different-frequency cards and bi-frequency card reader |
| CN107943461A (en) * | 2017-12-06 | 2018-04-20 | 福建新大陆支付技术有限公司 | Method and system for multimedia intelligent POS identity information acquisitions |
-
2010
- 2010-07-30 CN CN 201020274104 patent/CN201698449U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832961A (en) * | 2011-06-16 | 2012-12-19 | 王海泉 | Multi-band signal transceiving device |
| CN102957453A (en) * | 2011-08-25 | 2013-03-06 | 深圳光启高等理工研究院 | Communication method and communication system of radiofrequency SIM (subscriber identity module) cards based on magnetic communication |
| CN102957453B (en) * | 2011-08-25 | 2016-03-30 | 国民技术股份有限公司 | A kind of communication means of the radio-frequency SIM card based on magnetic communication and system |
| CN103093541A (en) * | 2011-10-31 | 2013-05-08 | 深圳光启高等理工研究院 | Mobile payment distance control system and mobile payment distance control method |
| CN103093541B (en) * | 2011-10-31 | 2016-04-20 | 国民技术股份有限公司 | A kind of mobile payment distant-control system and method |
| CN103413218A (en) * | 2013-08-07 | 2013-11-27 | 天地融科技股份有限公司 | Mobile terminal, NFC payment method, NFC payment device and NFC payment system |
| CN103413218B (en) * | 2013-08-07 | 2017-11-10 | 天地融科技股份有限公司 | Mobile terminal, NFC payment, apparatus and system |
| CN105809078A (en) * | 2014-12-31 | 2016-07-27 | 国民技术股份有限公司 | Method for preventing conflicts between different-frequency cards and bi-frequency card reader |
| CN105809078B (en) * | 2014-12-31 | 2023-03-24 | 国民技术股份有限公司 | Method for preventing repeated payment transaction between different-frequency cards executed by double-frequency card reader and double-frequency card reader |
| CN107943461A (en) * | 2017-12-06 | 2018-04-20 | 福建新大陆支付技术有限公司 | Method and system for multimedia intelligent POS identity information acquisitions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20180730 |