CN103220020A - External near field communication (NFC) device - Google Patents
External near field communication (NFC) device Download PDFInfo
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- CN103220020A CN103220020A CN2012100181510A CN201210018151A CN103220020A CN 103220020 A CN103220020 A CN 103220020A CN 2012100181510 A CN2012100181510 A CN 2012100181510A CN 201210018151 A CN201210018151 A CN 201210018151A CN 103220020 A CN103220020 A CN 103220020A
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Abstract
The invention provides an external near field communication (NFC) device which comprises an interface module, an antenna module, a NFC module and a control module, wherein the interface module is connected with an external terminal, the antenna module is connected with an external non-contact NFC device, the NFC module is used for receiving external data transmitted from the non-contact NFC device or sending data to the non-contact NFC device through the antenna module, the control module is used for receiving terminal data transmitted from the terminal through the interface module and sending the terminal data to the NFC module, or receiving external data transmitted from the NFC and sending the external data to the terminal, and thus the NFC between the terminal and the non-contact NFC device is accomplished. By means of the external NFC device, the terminal supports a NFC feature under the premise that the hardware of the terminal is not improved.
Description
Technical field
The present invention relates to the short distance wireless communication technology field, relate in particular to a kind of external near field communication means.
Background technology
(Near Field Communication, NFC) technology is that (Radio Frequency Identification, RFID) technical development and come is used to realize two information interactions between the near field communication devices by radio frequency identification to near-field communication.Support the terminal of NFC both can be modeled as non-contact card, also can be modeled as card reader or point-to-point communication node.
If allow terminals such as mobile phone or computer support NFC, usually need be in terminal built-in NFC chip, built-in NFC chip need carry out hardware modification to terminal in terminal, realizes with high costs.
Summary of the invention
In view of this, the invention provides a kind of external near field communication means, need not terminal is carried out hardware modification, just can make terminal support the NFC function.
For addressing the above problem, the invention provides a kind of external near field communication means, comprising:
Interface module is used for being connected with outside terminal;
Anneta module is used for being connected with outside contactless near-field communication equipment;
Near-field communication module is used for by described Anneta module, receives the external data that described contactless near-field communication equipment transmits, and perhaps, sends data to described contactless near-field communication equipment;
Control module, be used for receiving the terminal data that described terminal transmission is come by described interface module, and described terminal data sent to described near-field communication module, perhaps receive the external data that described near-field communication module transmits, and described external data sent to described terminal, finish the near-field communication of described terminal and described contactless near-field communication equipment.
Optionally, described control module also is used to receive the mode switch instruction that described terminal sends, and according to described mode switch instruction, controls the switching that described near-field communication module is carried out mode of operation.
Optionally, the mode of operation of described near-field communication module is a card reader analog operation pattern, and described contactless near-field communication equipment is contactless near-field communication card, wherein,
Described control module also is used under described card reader analog operation pattern, controls described Anneta module to described contactless near-field communication card emission electromagnetic field;
Described near-field communication module, also be used under described card reader analog operation pattern, read card data in the described contactless near-field communication card by described Anneta module, and give described control module with described card transfer of data, perhaps receive the terminal data that described control module transmits, and described terminal data is sent to described contactless near-field communication card;
Described control module also is used for by described interface module, and the card data that described near-field communication module is transmitted send to described terminal, and perhaps, the terminal data that described terminal transmission is come sends to described near-field communication module.
Optionally, described external near field communication means also comprises:
First security module, be used for storage key, adopt described key that the described card data that described near-field communication module reads are decrypted, perhaps, adopt described key that the described terminal data that described near-field communication module sends to described contactless communication card is encrypted.
Optionally, the mode of operation of described near-field communication module is the point-to-point communication mode of operation, wherein,
Described near-field communication module, also be used under described point-to-point communication mode of operation, receive the external data that described contactless near-field communication equipment sends by described Anneta module, and described external data is transferred to described control module, perhaps, receive the terminal data that described control module transmits, and described terminal data is sent to described contactless near-field communication equipment;
Described control module, also be used under described point-to-point communication mode of operation, the external data that described near-field communication module is transmitted by described interface module sends to described terminal, and perhaps, the terminal data that described terminal transmission is come sends to described near-field communication module.
Optionally, described external near field communication means also comprises:
Second security module is used for storage key, adopts described key that the data that transmit between described near-field communication module and the described control module are encrypted or deciphered.
Optionally, the mode of operation of described near-field communication module is that snap gauge is intended mode of operation, and described external near-field communication equipment also comprises:
Data memory module is used to store data;
Wherein, described near-field communication module also is used for intending by described Anneta module the data of storing in the described data memory module being sent to described contactless near-field communication equipment under the mode of operation at described snap gauge.
Optionally, described control module also is used for intending under the mode of operation at described snap gauge, receives the data read instruction that described terminal sends by described interface module, and, the data in the described data memory module are sent to described terminal according to described data read instruction.
Optionally, described external near field communication means also comprises:
The 3rd security module is used for storage key, adopts described key that the data that described near-field communication module sends to described contactless near-field communication equipment are encrypted.
Optionally, described Anneta module also is used for being connected with outside card-reading apparatus;
Described the 3rd security module also is used for intending by described Anneta module the data of storing in the described data memory module being sent to described card-reading apparatus under the mode of operation at described snap gauge.
Optionally, described Anneta module also is used for obtaining the required working power of described external near field communication means work from described contactless near-field communication equipment.
Optionally, described interface module also is used for obtaining the required working power of described external near field communication means work from described terminal.
The present invention has following beneficial effect:
Need not terminal is carried out hardware modification, just can make terminal support NFC functions such as card reader simulation, snap gauge plan, point-to-point communication, be applicable to various payments or transfer of data scene, and realize that cost is lower, be easy to popularizing of NFC technology.
Description of drawings
Fig. 1 is a structural representation of the external near field communication means of the embodiment of the invention;
Fig. 2 is the external near field communication means of the embodiment of the invention and the syndeton schematic diagram of terminal and contactless near-field communication equipment;
Fig. 3 is another structural representation of the external near field communication means of the embodiment of the invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
Be illustrated in figure 1 as a structural representation of external near-field communication (NFC) device of the embodiment of the invention, this external near field communication means comprises:
Anneta module 102 is used for being connected with outside contactless near-field communication equipment; Described contactless near-field communication equipment is for supporting the equipment of NFC, for example POS machine, contactless near-field communication card etc.
Near-field communication (NFC) module 103 is used for receiving the external data that described contactless near-field communication equipment transmits by described Anneta module 101, perhaps, sends data to described contactless near-field communication equipment;
Below each parts in the above-mentioned external NFC device are elaborated.
Described interface module 101 is connected with described control module 104, described interface module 101 is supported wireline interface form or wave point form, include but not limited to USB, micro USB, serial ports, wifi, bluetooth or interface such as infrared etc., be used for being connected with terminals such as outside mobile phone or computers.
Described Anneta module 102 is connected with described near-field communication module 103, it can receive the near-field communication data that described near-field communication module 103 sends, and described near-field communication data transaction become electromagnetic signal, contactless near-field communication equipment emission to the outside, perhaps, receive the electromagnetic signal of outside contactless near-field communication equipment emission, convert the electromagnetic signal that receives to the near-field communication data, send to near-field communication module 103.
Described near-field communication module 103 is connected with described Anneta module 102 and described control module 104, it can be undertaken alternately by the contactless near-field communication equipment of described Anneta module 102 with the outside, receive the data that outside contactless near-field communication equipment sends, perhaps, the data that control module 104 is transmitted send to outside contactless near-field communication equipment.Described near-field communication module 103 can be realized by a NFC chip.
Described control module 104 is connected with described interface module 101 and described near-field communication module 103, it can receive the terminal data that described terminal transmission is come by described interface module 101, and described terminal data sent to described near-field communication module 103, perhaps receive the external data of the contactless near-field communication equipment of the outside that described near-field communication module 103 transmits, and described external data sent to described terminal, finish the near-field communication of described terminal and described contactless near-field communication equipment.
The syndeton of external NFC device, terminal and described contactless near-field communication equipment in the foregoing description please refer to Fig. 2.
In addition, described control module 104 can also receive the mode switch instruction that described terminal sends, according to described mode switch instruction, control described near-field communication module 103 and carry out the switching of mode of operation, to finish different NFC functions, intend function as card reader analog functuion, point communications functionality and snap gauge.
Corresponding to above-mentioned three kinds of functions, described near-field communication module 103 can have following mode of operation: reader operating mode, point-to-point communication mode of operation and snap gauge are intended mode of operation, and the course of work of external near field communication means under each mode of operation to the embodiment of the invention is elaborated respectively below.
(1) card reader analog operation pattern
So-called card reader analog operation pattern, be meant that the terminal that will be connected with described external near field communication means uses as a card reader, be used for reading or revising the card data of outside contactless near-field communication card (also being the contactless near-field communication equipment described in the foregoing description).
Because outside contactless near-field communication card does not have working power usually, thereby, under card reader analog operation pattern, described control module 104 also needs to control the contactless near-field communication card emission electromagnetic field of described Anneta module 102 to the outside, so that contactless near-field communication card can obtain working power.
Under described card reader analog operation pattern, described near-field communication module 103 can read card data in the described contactless near-field communication card by described Anneta module 102, and give described control module 104 with described card transfer of data, perhaps, receive the terminal data that described control module 104 transmits, and described terminal data is sent to described contactless near-field communication card;
Described control module 104 also is used for by described interface module 101 the card data that described near-field communication module transmits being sent to described terminal, and perhaps, the terminal data that described terminal transmission is come sends to described near-field communication module 103.
In addition, in order to improve the fail safe of near-field communication, the external near field communication means of the embodiment of the invention can also comprise first security module (scheming not shown), be used for storage key, adopt described key that the described card data that described near-field communication module 103 reads are decrypted, perhaps, adopt described key that the described terminal data that described near-field communication module 103 sends to described contactless communication card is encrypted.
(2) point-to-point communication mode of operation
So-called point-to-point communication mode of operation is meant the terminal that will be connected with described external near field communication means as a contactless near-field communication equipment, carries out point-to-point near-field communication with other contactless near-field communication equipment.
Under described point-to-point communication mode of operation, described near-field communication module 103 can receive the external data that outside contactless near-field communication equipment sends by described Anneta module 102, and described external data is transferred to described control module 104, perhaps, receive the terminal data that described control module 104 transmits, and described terminal data is sent to described contactless near-field communication equipment;
Described control module 104 also is used for by described interface module 101 external data that described near-field communication module 103 transmits being sent to described terminal, and perhaps, the terminal data that described terminal transmission is come sends to described near-field communication module 103.
In addition, fail safe for the near-field communication between the contactless near-field communication equipment that improves terminal and outside, the external near field communication means of the embodiment of the invention can also comprise second security module (scheming not shown), be used for storage key, adopt described key that the data that transmit between described near-field communication module 103 and the described control module 104 are encrypted or deciphered.
Concrete, described second security module can be arranged between described near-field communication module 103 and the described control module 104, be connected with described control module 104 with described near-field communication module 103 respectively, the external data that described near-field communication module 103 is sent to described control module 104 is decrypted, perhaps, the data that described control module 104 is sent to described near-field communication module 103 are encrypted.
(3) snap gauge is intended mode of operation
So-called snap gauge is intended mode of operation, is meant the terminal that is connected with described external near field communication means is used as a card (Payment Card or identification card etc.), perhaps, described external near field communication means is used as a card (Payment Card or identification card etc.) separately.
When described external near field communication means is used as a card separately, described external near field communication means also comprises a data memory module (scheming not shown), this data memory module is used to store data, when described external near field communication means uses as a Payment Card (for example mass transit card), the data of storing in the described data memory module are payment, when described external near field communication means used as an identification card (for example gate inhibition card), the data of storing in the described data memory module were the card sign.Intend under the mode of operation at described snap gauge, described near-field communication module 103 also is used for sending to described contactless near-field communication equipment by the data that described Anneta module 102 is stored described data memory module.
In addition, when described external near field communication means is used as a card separately, outside terminal can also be inquired about the data of storing in the described external near field communication means, concrete, described external communicator can be connected by the terminal of described interface module 101 with the outside, described control module 104 can receive the data read instruction that described terminal sends by described interface module 101, and, the data of storing in the described data memory module are sent to described terminal according to described data read instruction.
In addition, in order to guarantee the safety of data in the external near field communication means, the external near field communication means of the embodiment of the invention also can comprise the 3rd security module (scheming not shown), the 3rd security module is used for storage key, adopts described key that the data that described near-field communication module 103 sends to described contactless near-field communication equipment are encrypted.
In the foregoing description, be that described near-field communication module 103, described Anneta module 102 and described the 3rd security module cooperate, realize the function of card, in addition, only described the 3rd security module cooperates with described Anneta module 102, also can realize the function of card.
At this moment, described Anneta module 102 also is used for being connected with outside card-reading apparatus; Described the 3rd security module also is used for intending by described Anneta module 102 data of storing in the described data memory module being sent to described card-reading apparatus under the mode of operation at described snap gauge.
The terminal that is connected with external near field communication means can be used as a card and realizes payment function, at this moment, described terminal can be used as a cipher input, the password of input account is given outside contactless near-field communication equipment (as the POS machine) by described external near field communication means with the password transmission of input.
In the foregoing description, first security module, second security module, the 3rd security module can be three independent physical modules, also can adopt same physical module to realize that the three can adopt same key, also can adopt different keys.
In addition, above-mentioned security module and data memory module can be respectively independent physical modules, also can adopt same physical module to realize.
Be understandable that, described external near field communication means needs working power when work, in the present embodiment, external near field communication means can obtain the required working power of described external near field communication means work from connected terminal by interface module 101.When described external near field communication means uses as a card separately, can also obtain the required working power of described external near field communication means work from the contactless near-field communication equipment of outside by described Anneta module 102.Or all right built-in power module of described external near field communication means is to provide described external near field communication means work required working power.
Be illustrated in figure 3 as another structural representation of the external near field communication means in the embodiment of the invention, described external near field communication means comprises: interface module, Anneta module, microcontroller, NFC chip and safety chip.
Wherein, the function that the interface module 101 in described interface module and the foregoing description realizes is identical, is used for being connected with the terminal of outside.
Described Anneta module is identical with the function that the Anneta module 102 in the foregoing description is realized, is used for being connected with outside contactless near-field communication equipment.
The function that control module 104 in described microcontroller and the foregoing description realizes is identical.
The function that near-field communication module 103 in described NFC chip and the foregoing description realizes is identical.
Described safety chip is used for carrying out the function of first security module, second security module, the 3rd security module and the data memory module execution of the foregoing description.
The external near field communication means that provides by the foregoing description, need not terminal is carried out hardware modification, just can make terminal support NFC functions such as card reader simulation, snap gauge plan, point-to-point communication, be applicable to various payments or transfer of data scene, and realize that cost is lower, be easy to popularizing of NFC technology.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (12)
1. an external near field communication means is characterized in that, comprising:
Interface module is used for being connected with outside terminal;
Anneta module is used for being connected with outside contactless near-field communication equipment;
Near-field communication module is used for by described Anneta module, receives the external data that described contactless near-field communication equipment transmits, and perhaps, sends data to described contactless near-field communication equipment;
Control module, be used for receiving the terminal data that described terminal transmission is come by described interface module, and described terminal data sent to described near-field communication module, perhaps receive the external data that described near-field communication module transmits, and described external data sent to described terminal, finish the near-field communication of described terminal and described contactless near-field communication equipment.
2. external near field communication means as claimed in claim 1 is characterized in that:
Described control module also is used to receive the mode switch instruction that described terminal sends, and according to described mode switch instruction, controls the switching that described near-field communication module is carried out mode of operation.
3. external near field communication means as claimed in claim 2 is characterized in that, the mode of operation of described near-field communication module is a card reader analog operation pattern, and described contactless near-field communication equipment is contactless near-field communication card, wherein,
Described control module also is used under described card reader analog operation pattern, controls described Anneta module to described contactless near-field communication card emission electromagnetic field;
Described near-field communication module, also be used under described card reader analog operation pattern, read card data in the described contactless near-field communication card by described Anneta module, and give described control module with described card transfer of data, perhaps receive the terminal data that described control module transmits, and described terminal data is sent to described contactless near-field communication card;
Described control module also is used for by described interface module, and the card data that described near-field communication module is transmitted send to described terminal, and perhaps, the terminal data that described terminal transmission is come sends to described near-field communication module.
4. external near field communication means as claimed in claim 3 is characterized in that, also comprises:
First security module, be used for storage key, adopt described key that the described card data that described near-field communication module reads are decrypted, perhaps, adopt described key that the described terminal data that described near-field communication module sends to described contactless communication card is encrypted.
5. external near field communication means as claimed in claim 2 is characterized in that, the mode of operation of described near-field communication module is the point-to-point communication mode of operation, wherein,
Described near-field communication module, also be used under described point-to-point communication mode of operation, receive the external data that described contactless near-field communication equipment sends by described Anneta module, and described external data is transferred to described control module, perhaps, receive the terminal data that described control module transmits, and described terminal data is sent to described contactless near-field communication equipment;
Described control module, also be used under described point-to-point communication mode of operation, the external data that described near-field communication module is transmitted by described interface module sends to described terminal, and perhaps, the terminal data that described terminal transmission is come sends to described near-field communication module.
6. external near field communication means as claimed in claim 5 is characterized in that, also comprises:
Second security module is used for storage key, adopts described key that the data that transmit between described near-field communication module and the described control module are encrypted or deciphered.
7. external near field communication means as claimed in claim 2 is characterized in that, the mode of operation of described near-field communication module is that snap gauge is intended mode of operation, and described external near-field communication equipment also comprises:
Data memory module is used to store data;
Wherein, described near-field communication module also is used for intending by described Anneta module the data of storing in the described data memory module being sent to described contactless near-field communication equipment under the mode of operation at described snap gauge.
8. external near field communication means as claimed in claim 7 is characterized in that:
Described control module also is used for intending under the mode of operation at described snap gauge, receives the data read instruction that described terminal sends by described interface module, and according to described data read instruction, the data in the described data memory module is sent to described terminal.
9. external near field communication means as claimed in claim 7 is characterized in that, also comprises:
The 3rd security module is used for storage key, adopts described key that the data that described near-field communication module sends to described contactless near-field communication equipment are encrypted.
10. external near field communication means as claimed in claim 9 is characterized in that:
Described Anneta module also is used for being connected with outside card-reading apparatus;
Described the 3rd security module also is used for intending by described Anneta module the data of storing in the described data memory module being sent to described card-reading apparatus under the mode of operation at described snap gauge.
11., it is characterized in that as claim 7 or 10 described external near field communication means:
Described Anneta module also is used for obtaining the required working power of described external near field communication means work from described contactless near-field communication equipment.
12. external near field communication means as claimed in claim 1 is characterized in that:
Described interface module also is used for obtaining the required working power of described external near field communication means work from described terminal.
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| CN2012100181510A CN103220020A (en) | 2012-01-19 | 2012-01-19 | External near field communication (NFC) device |
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| CN2012100181510A CN103220020A (en) | 2012-01-19 | 2012-01-19 | External near field communication (NFC) device |
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| CN103577983A (en) * | 2013-11-25 | 2014-02-12 | 成都中联信通科技股份有限公司 | Load method of electronic currency for off-line consumption |
| CN103780286A (en) * | 2014-01-22 | 2014-05-07 | 苏州瀚瑞微电子有限公司 | Portable electronic system |
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| CN103577983A (en) * | 2013-11-25 | 2014-02-12 | 成都中联信通科技股份有限公司 | Load method of electronic currency for off-line consumption |
| CN103780286A (en) * | 2014-01-22 | 2014-05-07 | 苏州瀚瑞微电子有限公司 | Portable electronic system |
| CN104484943A (en) * | 2014-11-20 | 2015-04-01 | 北京启能万维科技有限公司 | Intelligent bus card swiping method, card swiping device and user terminal |
| CN104485982A (en) * | 2014-11-20 | 2015-04-01 | 广东欧珀移动通信有限公司 | Intelligent accessory-based NFC (near field communication) method and system |
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| CN105354518A (en) * | 2015-10-15 | 2016-02-24 | 广州彩磁信息技术有限公司 | Virtual chip card system based on soft excitation electromagnetic near-field mutual inductance of mobile intelligent terminal |
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| CN105430604A (en) * | 2015-12-08 | 2016-03-23 | 北京元心科技有限公司 | Method and device for updating security policy of mobile terminal |
| WO2018049851A1 (en) * | 2016-09-19 | 2018-03-22 | 中兴通讯股份有限公司 | Payment method, mobile terminal and nfc terminal |
| CN106357287A (en) * | 2016-09-29 | 2017-01-25 | 陈绍建 | Signal transmitter-receiver based on communication equipment charge port |
| CN107463381A (en) * | 2017-08-03 | 2017-12-12 | 福建新大陆支付技术有限公司 | One kind is transformed into non-connection function method for the early stage non-non- POS that connects of standard configuration |
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Application publication date: 20130724 |