CN102930306A - Method, terminal and system for recognizing integrated circuit (IC) card logic convention - Google Patents
Method, terminal and system for recognizing integrated circuit (IC) card logic convention Download PDFInfo
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- CN102930306A CN102930306A CN2012104316199A CN201210431619A CN102930306A CN 102930306 A CN102930306 A CN 102930306A CN 2012104316199 A CN2012104316199 A CN 2012104316199A CN 201210431619 A CN201210431619 A CN 201210431619A CN 102930306 A CN102930306 A CN 102930306A
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Abstract
An embodiment of the invention discloses a method, a terminal and a system for recognizing integrated circuit (IC) card logic convention. The method includes that: the terminal configures a forward-direction convention indication signal after executing reset operation for an IC card; a first character is received from the IC card according to the indication of the forward-direction convention indication signal and in forward-direction convention mode; and the IC card logic convention is recognized by aid of character contents of the first character and the data verification result of the first character. The method, the terminal and the system can achieve automatic recognition and configuration of the logic convention mode through a hardware circuit by pre-configuring the logic convention mode of the first character. Compared with the prior art, software overhead can be saved, the time for recognizing the IC card logic convention is shortened, and timeliness and high efficiency of information interaction between the terminal and the IC card are ensured.
Description
Technical field
The present invention relates to communication technical field, particularly relate to method, terminal and the system of identification IC-card logic appointment.
Background technology
Integrated circuit card (Integrated Circuit Card, IC) be that very large scale integration technology, computer technology and information are to the product of the development such as safety technique, it is embedded in integrated circuit (IC) chip on the assigned address of plastic substrate, but utilizes the storage characteristics of integrated circuit that the information on the chip is preserved, read and revises.Since IC-card have read-write, capacity large, the function such as encryption arranged, therefore data recording is reliable, easy to use, can be widely used in the every field such as finance, telecommunications, medical treatment, insurance, tourism and communications and transportation, for example, Bus Card system, consume system etc.Terminal be embedded integrated circuit (IC) chip initiate IC-card is preserved, is read and the equipment of the operation such as modification, terminal can realize and IC-card between information interaction.
In the prior art, the ISO/IEC7816 agreement has stipulated that terminal and IC-card carry out the standard of information interaction, this agreement regulation, the character format of transmitting between IC-card and the terminal is determined by original character, this original character represents the logic appointment of IC-card support transmission character, comprises direct convention or Backward Agreement.After terminal executes activation, reset operation to IC-card, by IC-card original character is sent to terminal, after terminal identified the logic appointment of original character by upper layer software (applications), this logic appointment was all followed in the transmission of follow-up all characters.The inventor finds in the research process to prior art, terminal is by the logic appointment of software identification original character, increased the software overhead of terminal, and because software identification need to expend the regular hour, if identify the untimely reception that will affect the successive character of IC-card transmission, cause the successive character error of transmission.
Summary of the invention
Method, terminal and the system of identification IC-card logic appointment are provided in the embodiment of the invention, have identified the IC-card logic appointment to solve in the prior art by software, expended easily recognition time, caused the problem of character transmission mistake.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses following technical scheme:
A kind of method of identifying the IC-card logic appointment, described method comprises:
After terminal executes reset operation to IC-card, configuration direct convention indicator signal;
According to the indication of described direct convention indicator signal, receive first character according to the direct convention mode from described IC-card;
By the character content of described first character, and the logic appointment of the data check result of described first character being identified described IC-card.
Described character content by described first character, and to the logic appointment that the data check result of described first character identifies described IC-card, comprising:
When the character content of described first character is 3B, and when being correct to the check results of described first character, the logic appointment of determining described IC-card is direct convention;
When the character content of described first character is 03, and when being wrong to the check results of described first character, the logic appointment of determining described IC-card is Backward Agreement.
Described receive first character according to the direct convention mode from described IC-card after, also comprise:
When receiving described first character, and after described first character check finished, generate the accepting state indicator signal, described accepting state indicator signal is used for triggering the step of the logic appointment of carrying out the described IC-card of described identification.
Also comprise:
Result according to the logic appointment of identifying described IC-card produces the logic appointment control signal;
Logic appointment mode according to described logic appointment control signal indication receives successive character from described IC-card.
Described logic appointment mode according to described logic appointment control signal indication receives successive character from described IC-card, comprising:
When described logic appointment control signal was the direct convention control signal, the indication by described direct convention indicator signal continued to receive successive character according to the direct convention mode from described IC-card;
When described logic appointment control signal is the Backward Agreement control signal, described direct convention indicator signal is configured to the Backward Agreement indicator signal, and receives follow-up data according to the Backward Agreement mode from described IC-card by the indication of described Backward Agreement indicator signal.
A kind of terminal of identifying the IC-card logic appointment, described terminal comprises:
Dispensing unit, after being used for described terminal IC-card being executed reset operation, configuration direct convention indicator signal;
Receiving element is used for the indication according to described direct convention indicator signal, receives first character according to the direct convention mode from described IC-card;
Recognition unit is used for the character content by described first character, and the logic appointment of the data check result of described first character being identified described IC-card.
Described recognition unit comprises:
The first recognin unit, the character content that is used for when described first character is 3B, and when being correct to the check results of described first character, the logic appointment of determining described IC-card is direct convention;
The second recognin unit, the character content that is used for when described first character is 03, and when the check results of described first character be mistake, the logic appointment of determining described IC-card was Backward Agreement.
Described terminal also comprises:
Verification unit is used for described first character is carried out verification;
Generation unit is used for when receiving described first character, and after described first character check finished, generates the accepting state indicator signal, carries out the logic appointment of the described IC-card of identification to trigger described recognition unit.
Also comprise:
Generation unit is used for producing the logic appointment control signal according to the result of the logic appointment of identifying described IC-card;
Described receiving element also is used for receiving successive character according to the logic appointment mode of described logic appointment control signal indication from described IC-card.
Described receiving element comprises:
First receives subelement, is used for when described logic appointment control signal is the direct convention control signal, and the indication by described direct convention indicator signal continues according to the direct convention mode from described IC-card reception successive character;
Second receives subelement, be used for when described logic appointment control signal is the Backward Agreement control signal, described direct convention indicator signal is configured to the Backward Agreement indicator signal, and receives follow-up data according to the Backward Agreement mode from described IC-card by the indication of described Backward Agreement indicator signal.
A kind of system that identifies the IC-card logic appointment, described system comprises: IC-card, and aforementioned terminals.
In the embodiment of the invention, after terminal executes reset operation to IC-card, configuration direct convention indicator signal, indication according to the direct convention indicator signal, receive first character according to the direct convention mode from IC-card, by the character content of first character, and the logic appointment of the data check result of first character being identified IC-card.Logic appointment mode by pre-configured first character in the embodiment of the invention, can be by automatic identification and the configuration of hardware circuit realization to the logic appointment mode, compared with prior art, can save software overhead, reduce the time of identification IC-card logic appointment, guarantee promptness and the high efficiency of information interaction between terminal and the IC-card.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the first embodiment process flow diagram of the present invention's method of identifying the IC-card logic appointment;
Fig. 2 is the second embodiment process flow diagram of the present invention's method of identifying the IC-card logic appointment;
Fig. 3 is for using a kind of identification circuit principle schematic of the embodiment of the invention;
Fig. 4 is the first embodiment block diagram of the present invention's terminal of identifying the IC-card logic appointment;
Fig. 5 is the second embodiment block diagram of the present invention's terminal of identifying the IC-card logic appointment;
Fig. 6 is the embodiment block diagram of the present invention system of identifying the IC-card logic appointment.
Embodiment
The following embodiment of the present invention provides method, terminal and the system of identification IC-card logic appointment.
In order to make those skilled in the art person understand better technical scheme in the embodiment of the invention, and the above-mentioned purpose of the embodiment of the invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing technical scheme in the embodiment of the invention is described in further detail.
Referring to Fig. 1, identify the first embodiment process flow diagram of the method for IC-card logic appointment for the present invention:
Step 101: after terminal executes reset operation to IC-card, configuration direct convention indicator signal.
Information interaction in the embodiment of the invention between terminal and the IC-card is followed the regulation of ISO/IEC7816 agreement, the character format of transmitting between IC-card and the terminal is determined by original character, this original character represents the logic appointment of IC-card support transmission character, comprises direct convention or Backward Agreement.After terminal executes activation, reset operation to IC-card, can identify the logic appointment of IC-card by the initial character that receives the IC-card transmission.
Each character in the IC-card is comprised of one eight data, logic appointment in the embodiment of the invention refers to begin transmission or begin transmission from low level from a high position when transmission character, and " 0 " represents high level in every, " 1 " represents low level, perhaps " 1 " represents high level, and " 0 " represents low level.For an IC-card, as long as identify the wherein logic appointment of first character, then successive character also reads according to this logic appointment that identifies and gets final product.
In the present embodiment, can realize by hardware circuit the automatic identification of IC-card logic appointment, after reset operation finishes, at first dispose the direct convention indicator signal.
Step 102: according to the indication of direct convention indicator signal, receive first character according to the direct convention mode from this IC-card.
In the present embodiment, owing at first disposed the direct convention indicator signal, so terminal receives the first character of IC-card according to the direct convention mode, and can carry out verification to the first character that receives according to the direct convention mode.
Step 103: by the character content of first character, and the logic appointment of the data check result of this first character being identified this IC-card.
When receiving first character, and after this first character carried out verification, can begin the logic appointment of IC-card is identified, if the character content of first character is 3B, and when being correct to the check results of first character, determine that then the logic appointment of IC-card is direct convention; If the character content of first character is 03, and when being wrong to the check results of first character, the logic appointment of determining IC-card is Backward Agreement.Realize thus the automatic identification to IC-card logic appointment mode.
As seen from the above-described embodiment, logic appointment mode by pre-configured first character among this embodiment, can be by automatic identification and the configuration of hardware circuit realization to the logic appointment mode, compared with prior art, can save software overhead, reduce the time of identification IC-card logic appointment, guarantee promptness and the high efficiency of information interaction between terminal and the IC-card.
Referring to Fig. 2, identify the second embodiment process flow diagram of the method for IC-card logic appointment for the present invention, this embodiment describes the detailed process of identification IC-card logic appointment:
Step 201: after terminal executes reset operation to IC-card, configuration direct convention indicator signal.
Information interaction in the embodiment of the invention between terminal and the IC-card is followed the regulation of ISO/IEC7816 agreement, the character format of transmitting between IC-card and the terminal is determined by original character, this original character represents the logic appointment of IC-card support transmission character, comprises direct convention or Backward Agreement.After terminal executes activation, reset operation to IC-card, can identify the logic appointment of IC-card by the initial character that receives the IC-card transmission.
Each character in the IC-card is comprised of one eight data, logic appointment in the embodiment of the invention refers to begin transmission or begin transmission from low level from a high position when transmission character, and " 0 " represents high level in every, " 1 " represents low level, perhaps " 1 " represents high level, and " 0 " represents low level.For an IC-card, as long as identify the wherein logic appointment of first character, then successive character also reads according to this logic appointment that identifies and gets final product.
In the present embodiment, can realize by hardware circuit the automatic identification of IC-card logic appointment, after reset operation finishes, at first dispose the direct convention indicator signal.
Step 202: according to the indication of direct convention indicator signal, receive first character according to the direct convention mode from IC-card, and first character is carried out verification.
In the present embodiment, owing at first disposed the direct convention indicator signal, therefore terminal receives the first character of IC-card according to the direct convention mode, and can carry out verification to the first character that receives according to the direct convention mode, concrete verification mode can be carried out according to the mode of ISO/IEC7816 agreement regulation, does not repeat them here.
Step 203: judge whether to receive first character, and first character check is finished, if then execution in step 204; Otherwise, return step 202.
Step 204: generate the accepting state indicator signal.
When receiving first character, and after finishing verification to first character, then can generate the accepting state indicator signal, in order to trigger the identification of logic appointment by this signal.
Step 205: according to the triggering of accepting state indicator signal, by the character content of first character and the logic appointment of the data check result of first character being identified IC-card.
Wherein, if the character content of first character is 3B, and when being correct to the check results of first character, determine that then the logic appointment of IC-card is direct convention; If the character content of first character is 03, and when being wrong to the check results of first character, the logic appointment of determining IC-card is Backward Agreement.Realize thus the automatic identification to IC-card logic appointment mode.
Step 206: the result according to the logic appointment of identifying IC-card produces the logic appointment control signal.
Step 207: the logic appointment mode according to the indication of logic appointment control signal receives successive character from IC-card.
Concrete, when the logic appointment control signal was the direct convention control signal, the indication by the direct convention indicator signal continued to receive successive character according to the direct convention mode from described IC-card; When the logic appointment control signal is the Backward Agreement control signal, the direct convention indicator signal is configured to the Backward Agreement indicator signal, and receives follow-up data according to the Backward Agreement mode from IC-card by the indication of Backward Agreement indicator signal.
As seen from the above-described embodiment, logic appointment mode by pre-configured first character among this embodiment, can be by automatic identification and the configuration of hardware circuit realization to the logic appointment mode, compared with prior art, can save software overhead, reduce the time of identification IC-card logic appointment, guarantee promptness and the high efficiency of information interaction between terminal and the IC-card.
Referring to Fig. 3, be the identification circuit principle schematic in a kind of terminal of using the embodiment of the invention;
Circuit among Fig. 3 comprises: the data receiver logic module, the data check logic module, receive the steering logic module, above-mentioned three logic modules all are connected to forward and reverse decision logic module, the first character of the IC-card that sends and receives to forward and reverse decision logic module of data receiver logic module wherein, the data check logic module sends check results to the first character that receives to forward and reverse decision logic, receive the steering logic module after aforementioned two logic modules send to forward and reverse decision logic module with first character and check results respectively, send and receive condition indicative signal to forward and reverse logic module, triggering forward and reverse decision logic module judges the logic appointment of first character, and produce forward and reverse agreement control signal according to judged result, should forward and reverse agreement control signal send to the register configuration logic module, dispose corresponding forward and reverse agreement indicator signal by the register configuration logic module.
In conjunction with the circuit theory diagrams shown in Fig. 3, wherein forward and reverse decision logic module and register configuration logic module are only used in the receiving course of the first character after the terminal IC-card executes reset operation, after the terminal reset operation finishes, produce original character and receive indicator signal, in the receiving course of first character, this original character receives the indicator signal continuously effective, and when receiving first character, it is invalid that this original character receives indicator signal.
When initial receive character indicator signal is effective, by register configuration logic module configuration direct convention indicator signal, in order to receive the first character of IC-card according to the direct convention mode, the first character that forward and reverse decision logic module sends according to the data receiver logic module, the check results of the first character that the data check logic module sends, and the accepting state indicator signal that receives the transmission of steering logic module is judged the logic appointment of IC-card, if judged result is direct convention, then follow-uply all receive character according to the direct convention mode from IC-card, if judged result is Backward Agreement, register configuration logic configuration Backward Agreement indicator signal then follow-uply all receives character according to the Backward Agreement mode from IC-card.
The application example process of an IC-card logic appointment identification is described below in conjunction with Fig. 3 A:
When terminal detects IC-card and exists, carry out activation and reset operation to IC-card according to the regulation of ISO/IEC7816 agreement, after reset operation finishes, hardware circuit is waited for the first character that receives IC-card, initial default receives first character according to the direct convention mode, after receiving first character, according to the description among the earlier figures 3A, automatically identified the logic appointment mode of first character by hardware circuit, if the character content of first character is 3B, and when being correct to the check results of first character, determine that then the logic appointment of IC-card is direct convention; If the character content of first character is 03, and when being wrong to the check results of first character, the logic appointment of determining IC-card is Backward Agreement; If the character content of first character is 3B, and be mistake to the check results of first character, perhaps the character content of first character is 03, and when being correct to the check results of first character, terminal can be decided subsequent operation in its sole discretion; If the character content of first character is then also decided subsequent operation in its sole discretion by terminal neither 3B neither 03.
The embodiment of method that identifies the IC-card logic appointment with the present invention is corresponding, and the present invention also provides the terminal of identification IC-card logic appointment and the embodiment of system.
Referring to Fig. 4, identify the first embodiment block diagram of the terminal of IC-card logic appointment for the present invention:
This terminal comprises: dispensing unit 410, receiving element 420 and recognition unit 430.
Wherein, dispensing unit 410, after being used for described terminal IC-card being executed reset operation, configuration direct convention indicator signal;
Receiving element 420 is used for the indication according to described direct convention indicator signal, receives first character according to the direct convention mode from described IC-card;
Referring to Fig. 5, identify the second embodiment block diagram of the terminal of IC-card logic appointment for the present invention:
This terminal comprises: dispensing unit 510, receiving element 520, verification unit 530, generation unit 540, recognition unit 550 and generation unit 560.
Wherein, dispensing unit 510, after being used for described terminal IC-card being executed reset operation, configuration direct convention indicator signal;
Receiving element 520 is used for the indication according to described direct convention indicator signal, receives first character according to the direct convention mode from described IC-card;
Described receiving element 520 also is used for receiving successive character according to the logic appointment mode of described logic appointment control signal indication from described IC-card.
Wherein, described recognition unit 550 can comprise (not shown among Fig. 5):
The first recognin unit, the character content that is used for when described first character is 3B, and when being correct to the check results of described first character, the logic appointment of determining described IC-card is direct convention;
The second recognin unit, the character content that is used for when described first character is 03, and when the check results of described first character be mistake, the logic appointment of determining described IC-card was Backward Agreement.
Wherein, described receiving element 520 can comprise (not shown among Fig. 5):
First receives subelement, is used for when described logic appointment control signal is the direct convention control signal, and the indication by described direct convention indicator signal continues according to the direct convention mode from described IC-card reception successive character;
Second receives subelement, be used for when described logic appointment control signal is the Backward Agreement control signal, described direct convention indicator signal is configured to the Backward Agreement indicator signal, and receives follow-up data according to the Backward Agreement mode from described IC-card by the indication of described Backward Agreement indicator signal.
Referring to Fig. 6, identify the embodiment block diagram of the system of IC-card logic appointment for the present invention:
This system comprises: IC-card 610 and terminal 620.Wherein, the concrete structure of terminal 620 and function can referring to the description of preceding method embodiment and terminal embodiment, not repeat them here.
As seen from the above-described embodiment, after terminal executes reset operation to IC-card, configuration direct convention indicator signal, indication according to the direct convention indicator signal, receive first character according to the direct convention mode from IC-card, by the character content of first character, and the logic appointment of the data check result of first character being identified IC-card.Logic appointment mode by pre-configured first character in the embodiment of the invention, can be by automatic identification and the configuration of hardware circuit realization to the logic appointment mode, compared with prior art, can save software overhead, reduce the time of identification IC-card logic appointment, guarantee promptness and the high efficiency of information interaction between terminal and the IC-card.
The technology that those skilled in the art can be well understood in the embodiment of the invention can realize by the mode that software adds essential general hardware platform.Based on such understanding, the part that technical scheme in the embodiment of the invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product can be stored in the storage medium, such as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the present invention or embodiment.
Each embodiment in this instructions all adopts the mode of going forward one by one to describe, and identical similar part is mutually referring to getting final product between each embodiment, and each embodiment stresses is difference with other embodiment.Especially, for system embodiment because its basic simlarity is in embodiment of the method, thus describe fairly simple, relevant part gets final product referring to the part explanation of embodiment of the method.
Above-described embodiment of the present invention does not consist of the restriction to protection domain of the present invention.Any modification of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a method of identifying the IC-card logic appointment is characterized in that, described method comprises:
After terminal executes reset operation to IC-card, configuration direct convention indicator signal;
According to the indication of described direct convention indicator signal, receive first character according to the direct convention mode from described IC-card;
By the character content of described first character, and the logic appointment of the data check result of described first character being identified described IC-card.
2. method according to claim 1 is characterized in that, described character content by described first character, and to the logic appointment that the data check result of described first character identifies described IC-card, comprising:
When the character content of described first character is 3B, and when being correct to the check results of described first character, the logic appointment of determining described IC-card is direct convention;
When the character content of described first character is 03, and when being wrong to the check results of described first character, the logic appointment of determining described IC-card is Backward Agreement.
3. method according to claim 1 and 2 is characterized in that, described receive first character according to the direct convention mode from described IC-card after, also comprise:
When receiving described first character, and after described first character check finished, generate the accepting state indicator signal, described accepting state indicator signal is used for triggering the step of the logic appointment of carrying out the described IC-card of described identification.
4. method according to claim 1 and 2 is characterized in that, also comprises:
Result according to the logic appointment of identifying described IC-card produces the logic appointment control signal;
Logic appointment mode according to described logic appointment control signal indication receives successive character from described IC-card.
5. method according to claim 4 is characterized in that, described logic appointment mode according to described logic appointment control signal indication receives successive character from described IC-card, comprising:
When described logic appointment control signal was the direct convention control signal, the indication by described direct convention indicator signal continued to receive successive character according to the direct convention mode from described IC-card;
When described logic appointment control signal is the Backward Agreement control signal, described direct convention indicator signal is configured to the Backward Agreement indicator signal, and receives follow-up data according to the Backward Agreement mode from described IC-card by the indication of described Backward Agreement indicator signal.
6. a terminal of identifying the IC-card logic appointment is characterized in that, described terminal comprises:
Dispensing unit, after being used for described terminal IC-card being executed reset operation, configuration direct convention indicator signal;
Receiving element is used for the indication according to described direct convention indicator signal, receives first character according to the direct convention mode from described IC-card;
Recognition unit is used for the character content by described first character, and the logic appointment of the data check result of described first character being identified described IC-card.
7. terminal according to claim 6 is characterized in that, described recognition unit comprises:
The first recognin unit, the character content that is used for when described first character is 3B, and when being correct to the check results of described first character, the logic appointment of determining described IC-card is direct convention;
The second recognin unit, the character content that is used for when described first character is 03, and when the check results of described first character be mistake, the logic appointment of determining described IC-card was Backward Agreement.
8. according to claim 6 or 7 described terminals, it is characterized in that described terminal also comprises:
Verification unit is used for described first character is carried out verification;
Generation unit is used for when receiving described first character, and after described first character check finished, generates the accepting state indicator signal, carries out the logic appointment of the described IC-card of identification to trigger described recognition unit.
9. according to claim 6 or 7 described terminals, it is characterized in that, also comprise:
Generation unit is used for producing the logic appointment control signal according to the result of the logic appointment of identifying described IC-card;
Described receiving element also is used for receiving successive character according to the logic appointment mode of described logic appointment control signal indication from described IC-card.
10. terminal according to claim 9 is characterized in that, described receiving element comprises:
First receives subelement, is used for when described logic appointment control signal is the direct convention control signal, and the indication by described direct convention indicator signal continues according to the direct convention mode from described IC-card reception successive character;
Second receives subelement, be used for when described logic appointment control signal is the Backward Agreement control signal, described direct convention indicator signal is configured to the Backward Agreement indicator signal, and receives follow-up data according to the Backward Agreement mode from described IC-card by the indication of described Backward Agreement indicator signal.
11. a system that identifies the IC-card logic appointment is characterized in that, described system comprises: IC-card, and such as the described terminal of claim 6 to 10 any one.
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| CN201210431619.9A CN102930306B (en) | 2012-11-01 | 2012-11-01 | Identify the method for IC-card logic appointment, terminal and system |
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| CN201210431619.9A CN102930306B (en) | 2012-11-01 | 2012-11-01 | Identify the method for IC-card logic appointment, terminal and system |
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| US7436898B2 (en) * | 2002-10-16 | 2008-10-14 | Matsushita Electric Industrial Co., Ltd. | Integrated circuit (IC) card, data transmission apparatus, data transmission method and computer program of data transmission method |
| CN102521197A (en) * | 2011-12-13 | 2012-06-27 | 福建鑫诺通讯技术有限公司 | Method for realizing ISO7816 protocol with UART (universal asynchronous receiver/transmitter) of low-cost MCU (micro-control unit) |
| CN102546107A (en) * | 2011-12-28 | 2012-07-04 | 北京握奇数据系统有限公司 | Method, system and adapter card for data transmission between contact card and card reading device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7436898B2 (en) * | 2002-10-16 | 2008-10-14 | Matsushita Electric Industrial Co., Ltd. | Integrated circuit (IC) card, data transmission apparatus, data transmission method and computer program of data transmission method |
| CN102521197A (en) * | 2011-12-13 | 2012-06-27 | 福建鑫诺通讯技术有限公司 | Method for realizing ISO7816 protocol with UART (universal asynchronous receiver/transmitter) of low-cost MCU (micro-control unit) |
| CN102546107A (en) * | 2011-12-28 | 2012-07-04 | 北京握奇数据系统有限公司 | Method, system and adapter card for data transmission between contact card and card reading device |
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| CN102930306B (en) | 2016-07-06 |
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