CN203243339U - Data transmission system - Google Patents
Data transmission system Download PDFInfo
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- CN203243339U CN203243339U CN 201320239559 CN201320239559U CN203243339U CN 203243339 U CN203243339 U CN 203243339U CN 201320239559 CN201320239559 CN 201320239559 CN 201320239559 U CN201320239559 U CN 201320239559U CN 203243339 U CN203243339 U CN 203243339U
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- card reader
- electronic signature
- signature token
- wireless communication
- chip
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Abstract
The utility model discloses a data transmission system, belonging to the technical field of information safety. The system comprises a card reader and an electronic signature token, wherein the card reader comprises a transmission interface and a first wireless communication chip, the electronic signature token comprises a second wireless communication chip, the first wireless communication chip of the card reader and the second wireless communication chip of the electronic signature token are in matched connection, the card reader sends read to-be-processed information to the second wireless communication chip of the electronic signature token through the first wireless communication chip, the electronic signature token sends the treated information to the first wireless communication chip of the card reader through the second wireless communication chip, and the card reader sends out the treated information through the transmission interface. By arranging the wireless communication chips in the card reader and the electronic signature token, the system solves safety problems of the information sent out by the card reader, as well as problems of tedious operation steps during usage of the electronic signature token.
Description
Technical field
The utility model relates to field of information security technology, relates in particular to a kind of data transmission system.
Background technology
Network electronic trade is often referred to by transmitting one group of transaction data between user and the background service program, and as above some article is bought in net purchase, transfers the process of certain amount of money from user account, must guarantee the fail safe of network electronic trade in this process.The fail safe of network electronic trade comprises: transaction data is that the user truly inputs, rather than is forged or revises, and can not the revising of the non-repudiation of process of exchange and transaction data.
Requirement according to Electronic Signature Law, electronic signature technology based on the PKI technology is widely used in electronic transaction process at present, the electronic signature token can be to have one with the separate hardware of USB interface, such as USB_key, in this hardware, finish the process of all or part of computing such as encryption, summary, signature of electronic transaction data.The applying electronic signature technology, can guarantee through the content of electronic signature can not change, non-repudiation etc.Present above-mentioned electronic signature token is widely used, but the electronic signature token is owing to only play the functions such as encryption, summary, signature, when the user uses the electronic signature token to carry out network electronic trade, also need to input a series of loaded down with trivial details operations such as bank card account number by terminal (such as computer and mobile phone), reduced user's experience effect of network electronic trade.
Card reader also is a kind of equipment of at present extensive use in network electronic trade, when consumption a lot of people the choice for use card reader replace inputting the loaded down with trivial details manual mode of operation such as Bank Account Number and obtain the magnetic strip information on the card and then finish transaction, but, because existing card reader is directly to be connected with terminal or mobile phone terminal, cipher mode is simple in the transmittance process of electronic transaction data, can not guarantee the fail safe that data are transmitted, Hacker Program can be passed in data the information of modification electronic transaction before the server by terminal, or forge user identity and conclude the business, bring loss to the user.
Electronic signature token and card reader all are the equipment that plays a key effect in the process that promotes the network electronic trade development at present, how to design a kind of data transmission system, can overcome the deficiency separately of electronic signature token and card reader, promote user's experience effect of Web bank, again can in the fail safe that has guaranteed network electronic trade and the user be easy to use and keep in the situation of electronic signature token and the independent used characteristic of card reader, keep a part of user's use habit, do not increase the banking equipment purchase cost, improving simultaneously information transmission safety, is the technical problem that the technical staff needs to be resolved hurrily in the field of information security technology.
The utility model content
The utility model is intended to solve how to utilize being used in combination of card reader and electronic signature token, improves the problem of the fail safe of communication.
For achieving the above object, the technical solution of the utility model is specifically such:
The utility model provides a kind of data transmission system on the one hand, and this system comprises card reader and electronic signature token, and wherein said card reader comprises coffret and the first wireless communication chips; Described electronic signature token comprises the second wireless communication chips; Described first wireless communication chips of described card reader is connected with described the second wireless communication chips coupling of described electronic signature token; The pending information that described card reader will read by described the first wireless communication chips is sent to described second wireless communication chips of described electronic signature token; Information after described electronic signature token will be processed by described the second wireless communication chips is sent to described first wireless communication chips of described card reader; Described card reader is sent out outward by the information of described coffret after with described processing.
In addition, described system also comprises communication terminal, and described card reader links to each other with communication terminal by described coffret; Described card reader receives the request instruction that described communication terminal sends by described coffret.
In addition, described system also comprises communication terminal, and described card reader links to each other with communication terminal by described coffret; Described card reader is sent to described communication terminal by the information of described coffret after with described processing.
In addition, described coffret is audio interface, USB interface, serial ports or heterointerface.
In addition, described the first wireless communication chips and/or the second wireless communication chips are NFC chip, Bluetooth chip, infrared chip, light transmission chip or radio frequency chip.
The utility model provides a kind of data transmission system on the other hand, and this system comprises card reader and electronic signature token, and wherein said electronic signature token comprises passing interface and the first radio transmitting and receiving chip; Described card reader comprises the second radio transmitting and receiving chip; Described first radio transmitting and receiving chip of described electronic signature token is connected with described the second radio transmitting and receiving chip coupling of described card reader; The second radio transmitting and receiving chip that the pending information exchange that described card reader will read is crossed card reader is sent to described first radio transmitting and receiving chip of described electronic signature token; Information after described electronic signature token will be processed by described passing interface is sent out outward.
In addition, described system also comprises communication terminal; Described electronic signature token links to each other with communication terminal by described passing interface; Described electronic signature token receives the request instruction that described communication terminal sends by described passing interface, and the described request instruction of receiving is sent to the second radio transmitting and receiving chip of described card reader by the first radio transmitting and receiving chip.
In addition, described system also comprises communication terminal; Described electronic signature token links to each other with communication terminal by described passing interface; Described electronic signature token is sent to described communication terminal by the information of described passing interface after with described processing.
In addition, described the first radio transmitting and receiving chip and/or the second radio transmitting and receiving chip are NFC chip, Bluetooth chip, infrared chip, light transmission chip or radio frequency chip.
In addition, described passing interface comprises audio interface, USB interface, serial ports or heterointerface.
From the technical scheme that above-mentioned utility model provides, can find out, the utility model is by arranging the wireless telecommunications chip in electronic signature token and card reader, but so that radio communication between electronic signature token and the card reader, fail safe and the convenience of transfer of data between card reader and the electronic signature token both can have been ensured, can increase again the outer step of sending out the fail safe of data and reducing user's operation when only using the electronic signature token, simultaneously, electronic signature token and card reader also can independently be used, can not affect user's use habit, not increase the purchase cost of banking equipment.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skill in the art, under the prerequisite of not paying creative work, can also obtain other accompanying drawings according to these accompanying drawings.
The data transmission system structural representation that Fig. 1 provides for the utility model embodiment 1;
The data transmission system structural representation that Fig. 2 provides for the utility model embodiment 2.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on embodiment of the present utility model, those of ordinary skills belong to protection range of the present utility model not making the every other embodiment that obtains under the creative work prerequisite.
In description of the present utility model, it will be appreciated that, term " " center "; " vertically "; " laterally "; " on "; D score; " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only be for convenience of description the utility model and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance or quantity or position.
In description of the present utility model, need to prove that unless clear and definite regulation and restriction are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected with, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can indirectly link to each other by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Embodiment one
Fig. 1 is the structural representation of the utility model data transmission system.Now in conjunction with Fig. 1, the structure of the utility model data transmission system describes, and is specific as follows:
The data transmission system of present embodiment comprises: card reader 10 and electronic signature token 11, and wherein, card reader 10 comprises: coffret 101 and the first wireless communication chips 102; Electronic signature token 11 comprises: the second wireless communication chips 111;
The first wireless communication chips 102 of card reader 10 is connected with the second wireless communication chips 111 couplings of electronic signature token 11; The pending information that card reader 10 will read by the first wireless communication chips 102 is sent to the second wireless communication chips 111 of electronic signature token 11;
Information after electronic signature token 11 will be processed by the second wireless communication chips 111 is sent to the first wireless communication chips 102 of card reader 10;
Information after card reader 10 will be processed by coffret 101 is sent out outward.
This shows, by in electronic signature token 11 and card reader 10, wireless communication chips being set, so that can carry out radio communication between electronic signature token 11 and the card reader 10, fail safe and the convenience of the data of transmitting between card reader 10 and the electronic signature token 11 both can have been ensured, can reduce again the step of user's operation when only using electronic signature token 11, simultaneously, electronic signature token 11 and card reader 10 also can independently be used, can not affect user's use habit, not increase the purchase cost of banking equipment.
Concrete, the pending information that card reader 10 will read by the first wireless communication chips 102 is sent to the second wireless communication chips 111 of electronic signature token 11; Wherein, the card image that pending information can read for card reader 10, for example card reader 10 can read IC-card information or magnetic stripe card information, certainly can also for the information of 10 pairs of card images that read of card reader after processing, extract etc. such as the key message to card image; Electronic signature token 11 receives this pending information by the second wireless communication chips 111, it is processed information after processing, processing procedure can comprise: treat the computing such as encryption, digest calculations, signature of process information, thereby can guarantee fail safe and non repudiation that pending information sends, the information after electronic signature token 11 will be processed by the second wireless communication chips 111 is sent to the first wireless communication chips 102 of card reader 10; Card reader 10 receives information after the processing by the first wireless communication chips 102, and the information after will processing by coffret 101 is sent out outward.Can also guarantee thus outside card reader 10 fail safe and the non repudiation of the information sent out.
In addition, among this embodiment, when the state of use, this data transmission system can also comprise communication terminal 12, card reader 10 and communication terminal 12 wired connections, card reader 10 and 11 wireless connections of electronic signature token.
The request instruction that card reader 10 received communication terminals 12 send, wherein, request instruction can comprise the information such as element information of the amount of money, Currency Type and electronic signature token 11, card reader 10 can be carried out reading of card image according to the content of request instruction request, thereby is sent to the second wireless communication chips 111 of electronic signature token 11 by the pending information that the first wireless communication chips 102 will read; Electronic signature token 11 is processed it after receiving pending information, and the information after obtaining to process is so that the information of electronic signature token 11 after will processing by the second wireless communication chips 111 is sent to the first wireless communication chips 102 of card reader 10; Information after card reader 10 will be processed by coffret 101 is sent to communication terminal 12, thereby has guaranteed fail safe and the non repudiation of the information after the processing that communication terminal receives.
Preferably, the interface that coffret 101 of the present utility model is complementary for the data transmission interface that provides with communication terminal 12, comprise: audio interface, USB interface, serial ports or heterointerface, wherein heterointerface is the interface type that can carry out information and/or transfer of data of other shape, such as the DOCK interface of i Phone etc.
Certainly, in the present embodiment, communication terminal 12 can comprise: the terminal of the arbitrary forms such as mobile phone terminal, panel computer, notebook computer, PC, POS machine.When if communication terminal 12 is mobile phone terminal, can link to each other with card reader 10 by audio interface; If when communication terminal 12 is the terminals such as panel computer, can link to each other with card reader 10 by USB interface, can certainly link to each other with card reader 10 by audio interface; When if communication terminal 12 is the POS machine, can link to each other with card reader 10 by serial ports, also can link to each other with card reader by any interface that this POS machine is supported, just describe at this, as long as communication terminal 12 can be supported corresponding interface, card reader 10 all can link to each other with communication terminal 12 by this interface.
Preferably, 102 in the first radio communication core of the present utility model is NFC chip, Bluetooth chip, infrared chip, light transmission chip or radio frequency chip.
Preferably, the second wireless communication chips 111 of the present utility model is NFC chip, Bluetooth chip, infrared chip, light transmission chip or radio frequency chip.
Certainly, the first wireless communication chips 102 should be mated with the second wireless communication chips 111, for example, the first wireless communication chips 102 is the NCF chip, the second wireless communication chips 111 also should be the NCF chip so, just can guarantee the smooth transmission of data between the first wireless communication chips 102 and the second wireless communication chips 111.
Embodiment two
Fig. 2 is the structural representation of the utility model data transmission system.Now in conjunction with Fig. 2, the structure of the utility model data transmission system describes, and is specific as follows:
The data transmission system of present embodiment comprises: electronic signature token 20 and card reader 21, and wherein, electronic signature token 20 comprises: passing interface 201 and the first radio transmitting and receiving chip 202; Card reader 21 comprises: the second radio transmitting and receiving chip 211;
The first radio transmitting and receiving chip 202 of electronic signature token 20 is connected with the second radio transmitting and receiving chip 211 couplings of card reader 21; The pending information that card reader 21 will read by the second radio transmitting and receiving chip 211 is sent to the first radio transmitting and receiving chip 202 of electronic signature token 20; Information after electronic signature token 20 will be processed by described passing interface 201 is sent out outward.
This shows, by in electronic signature token 20 and card reader 21, the wireless receiving chip being set, so that electronic signature token 20 and 21 of card reader can be carried out radio communication, fail safe and the convenience of transmitting data between card reader 21 and the electronic signature token 20 both can have been ensured, can reduce again the step of user's operation when only using electronic signature token 20, simultaneously, electronic signature token 20 and card reader 21 also can be distinguished independent the use, do not affect user's use habit, do not increase the equipment purchase cost of bank.
Concrete, the pending information that card reader 21 will read by the second radio transmitting and receiving chip 211 is sent to the first radio transmitting and receiving chip 202 of electronic signature token 20; Wherein, the card image that pending information can read for card reader 21, for example card reader 21 can read IC-card information or magnetic stripe card information, can also be the information of 21 pairs of card images that read of card reader after processing, information after extracting such as the key message to card image etc.; Electronic signature token 20 receives this pending information by the first radio transmitting and receiving chip 202, it is processed information after rear acquisition is processed, the process of processing can comprise: treat the computings such as encryption, digest calculations, signature of process information, thereby can guarantee fail safe and non repudiation that pending information sends, information after electronic signature token 20 will be processed is sent out outward, can also guarantee thus from fail safe and the non repudiation of electronic signature token 20 outer photos and sending messages.
In addition, among this embodiment, when the state of use, this data transmission system can also comprise communication terminal 22, electronic signature token 20 and communication terminal 22 wired connections, electronic signature token and 21 wireless connections of 20 card reader.
The request instruction that electronic signature token 20 sends by passing interface 201 received communication terminals 22, wherein, request instruction can comprise the amount of money, the information such as element information of Currency Type and electronic signature token 20, electronic signature token 20 is sent to the request instruction that receives the second radio transmitting and receiving chip 211 of card reader 21 by the first radio transmitting and receiving chip 202, card reader 21 can read card image according to the content of request instruction request, and the pending information exchange that card reader 21 will read is crossed the first radio transmitting and receiving chip 202 that the second radio transmitting and receiving chip 211 is sent to electronic signature token 20; Electronic signature token 20 receives the pending information that card reader 21 is sent, and this pending information processed information after obtaining processing, so that the information of electronic signature token 20 after will processing by passing interface 201 is sent to communication terminal 22, thereby fail safe and the non repudiation of the information after the processing that communication terminal 22 receives have been guaranteed.
Preferably, the interface that passing interface 201 of the present utility model is complementary for the data transmission interface that provides with communication terminal 22, comprise: audio interface, USB interface, serial ports or heterointerface, wherein heterointerface is the interface type that can carry out information and/or transfer of data of other shape, such as the DOCK interface of i Phone etc.
Certainly, in the present embodiment, communication terminal 22 can comprise: the terminal of the arbitrary forms such as mobile phone terminal, panel computer, notebook computer, PC, POS machine.When if communication terminal 22 is mobile phone terminal, can link to each other with electronic signature token 20 by audio interface; When if communication terminal 22 is the panel computer terminal, can link to each other with electronic signature token 20 by USB interface, can certainly link to each other with electronic signature token 20 by audio interface, when if communication terminal 22 is the POS machine, can link to each other with electronic signature token 20 by serial ports, also can link to each other with electronic signature token 20 by any interface that this POS machine is supported, just describe at this, as long as communication terminal 22 can be supported corresponding interface, electronic signature token 20 all can link to each other with communication terminal 22 by this interface.
Preferably, the first radio transmitting and receiving chip 202 of the present utility model is NFC chip, Bluetooth chip, infrared chip, light transmission chip or radio frequency chip.
Preferably, the second radio transmitting and receiving chip 211 of the present utility model is NFC chip, Bluetooth chip, infrared chip, light transmission chip or radio frequency chip.
Certainly, the first radio transmitting and receiving chip 202 should mate with the second radio transmitting and receiving chip 211, for example, the first radio transmitting and receiving chip 202 is Bluetooth chip, the second radio transmitting and receiving chip 211 also should be Bluetooth chip so, just can guarantee the smooth transmission of the data between the first radio transmitting and receiving chip 202 and the second radio transmitting and receiving chip 211.
Describe and to be understood in the flow chart or in this any process of otherwise describing or method, expression comprises the module of code of the executable instruction of the step that one or more is used to realize specific logical function or process, fragment or part, and the scope of preferred implementation of the present utility model comprises other realization, wherein can be not according to order shown or that discuss, comprise according to related function by the mode of basic while or by opposite order, carry out function, this should be understood by embodiment person of ordinary skill in the field of the present utility model.
Should be appreciated that each several part of the present utility model can realize with hardware, software, firmware or their combination.In the above-described embodiment, a plurality of steps or method can realize with being stored in the memory and by software or firmware that suitable instruction execution system is carried out.For example, if realize with hardware, the same in another embodiment, can realize with the combination of each or they in the following technology well known in the art: have for the discrete logic of data-signal being realized the logic gates of logic function, application-specific integrated circuit (ASIC) with suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that and realize that all or part of step that above-described embodiment method is carried is to come the relevant hardware of instruction to finish by program, described program can be stored in a kind of computer-readable recording medium, this program comprises step of embodiment of the method one or a combination set of when carrying out.
In addition, each functional unit in each embodiment of the utility model can be integrated in the processing module, also can be that the independent physics of unit exists, and also can be integrated in the module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, also can adopt the form of software function module to realize.If described integrated module realizes with the form of software function module and during as independently production marketing or use, also can be stored in the computer read/write memory medium.
The above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or the example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although the above has illustrated and has described embodiment of the present utility model, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art in scope of the present utility model, can change above-described embodiment in the situation that does not break away from principle of the present utility model and aim, modification, replacement and modification.Scope of the present utility model is by claims and be equal to and limit.
Claims (10)
1. data transmission system is characterized in that comprising: card reader and electronic signature token, wherein,
Described card reader comprises: coffret and the first wireless communication chips;
Described electronic signature token comprises: the second wireless communication chips;
Described first wireless communication chips of described card reader is connected with described the second wireless communication chips coupling of described electronic signature token;
The pending information that described card reader will read by described the first wireless communication chips is sent to described second wireless communication chips of described electronic signature token;
Information after described electronic signature token will be processed by described the second wireless communication chips is sent to described first wireless communication chips of described card reader;
Described card reader is sent out outward by the information of described coffret after with described processing.
2. system according to claim 1 is characterized in that, described system also comprises: communication terminal;
Described card reader links to each other with communication terminal by described coffret;
Described card reader receives the request instruction that described communication terminal sends by described coffret.
3. system according to claim 1 and 2 is characterized in that, described system also comprises: communication terminal;
Described card reader links to each other with communication terminal by described coffret;
Described card reader is sent to described communication terminal by the information of described coffret after with described processing.
4. each described system is characterized in that according to claim 1-3, and described coffret is audio interface, USB interface, serial ports or heterointerface.
5. each described system is characterized in that according to claim 1-3, and described the first wireless communication chips and/or described the second wireless communication chips are NFC chip, Bluetooth chip, infrared chip, light transmission chip or radio frequency chip.
6. data transmission system is characterized in that comprising: card reader and electronic signature token, wherein,
Described electronic signature token comprises: passing interface and the first radio transmitting and receiving chip;
Described card reader comprises: the second radio transmitting and receiving chip;
Described first radio transmitting and receiving chip of described electronic signature token is connected with described the second radio transmitting and receiving chip coupling of described card reader;
The second radio transmitting and receiving chip that the pending information exchange that described card reader will read is crossed card reader is sent to described first radio transmitting and receiving chip of described electronic signature token;
Information after described electronic signature token will be processed by described passing interface is sent out outward.
7. system according to claim 6 is characterized in that, described system also comprises: communication terminal;
Described electronic signature token links to each other with communication terminal by described passing interface;
Described electronic signature token receives the request instruction that described communication terminal sends by described coffret, and the described request instruction of receiving is sent to the second radio transmitting and receiving chip of described card reader by the first radio transmitting and receiving chip.
8. according to claim 6 or 7 described systems, it is characterized in that described system also comprises: communication terminal;
Described electronic signature token links to each other with communication terminal by described passing interface;
Described electronic signature token is sent to described communication terminal by the information of described passing interface after with described processing.
9. each described system is characterized in that according to claim 6-8, and described the first radio transmitting and receiving chip and/or the second radio transmitting and receiving chip are NFC chip, Bluetooth chip, infrared chip, light transmission chip or radio frequency chip.
10. each described system is characterized in that according to claim 6-8, and described passing interface comprises audio interface, USB interface, serial ports or heterointerface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201320239559 CN203243339U (en) | 2013-05-06 | 2013-05-06 | Data transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320239559 CN203243339U (en) | 2013-05-06 | 2013-05-06 | Data transmission system |
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| CN203243339U true CN203243339U (en) | 2013-10-16 |
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| CN 201320239559 Expired - Lifetime CN203243339U (en) | 2013-05-06 | 2013-05-06 | Data transmission system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490708A (en) * | 2015-12-09 | 2016-04-13 | 广东欧珀移动通信有限公司 | Method and device for reading and writing smart card |
| CN105991537A (en) * | 2014-09-22 | 2016-10-05 | 天地融科技股份有限公司 | Data interaction system |
-
2013
- 2013-05-06 CN CN 201320239559 patent/CN203243339U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105991537A (en) * | 2014-09-22 | 2016-10-05 | 天地融科技股份有限公司 | Data interaction system |
| CN105490708A (en) * | 2015-12-09 | 2016-04-13 | 广东欧珀移动通信有限公司 | Method and device for reading and writing smart card |
| CN105490708B (en) * | 2015-12-09 | 2018-01-23 | 广东欧珀移动通信有限公司 | A kind of method and device for reading and writing smart card |
| CN108243402A (en) * | 2015-12-09 | 2018-07-03 | 广东欧珀移动通信有限公司 | A kind of method and device for reading and writing smart card |
| CN108243402B (en) * | 2015-12-09 | 2021-06-01 | Oppo广东移动通信有限公司 | Method and device for reading and writing smart card |
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