CN201340604Y - Composite contact card reader - Google Patents
Composite contact card reader Download PDFInfo
- Publication number
- CN201340604Y CN201340604Y CNU2009201048888U CN200920104888U CN201340604Y CN 201340604 Y CN201340604 Y CN 201340604Y CN U2009201048888 U CNU2009201048888 U CN U2009201048888U CN 200920104888 U CN200920104888 U CN 200920104888U CN 201340604 Y CN201340604 Y CN 201340604Y
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- interface
- card
- deck
- mcu
- switch
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Abstract
The utility model discloses a composite contact card reader, which comprises a card holder, an MCU and an IC card circuit and an interface; wherein the card holder is used for connecting a smart card based on ISO7816-3 Standard or a smart card based on ISO7816-12 Standard; the interface comprises a first interface and a second interface; the card holder is connected with the second interface; and the card holder is also connected with the first interface by the MCU and the IC card circuit. In the technical scheme, the card reader also comprises switches; the card holder is connected with the second interface by the switches; and the card holder is also connected with the MCU and the IC card circuit by the switches. The first interface and the second interface are the same interface. The switches are six groups of manual single-pole double-throw switches or six groups of single-pole double-throw electromagnetic relays or analog switches. The card reader not only supports the smart card adopting ISO7816-3 transmission mode, but also supports the smart card adopting ISO7816-12 transmission mode, and broadens the functions of the existing reader.
Description
Technical field
The utility model relates to the read write line field, particularly a kind of compound contact card reader.
Background technology
Smart card (SmartCard) also is IC-card, and it is to have the cards micro integrated circuit chip, that have standard specification such as microprocessor and storer.Smart card must be followed a cover standard, and ISO7816 is wherein most important one.The ISO7816 standard code profile of smart card, thickness, contact position, electric signal, agreement etc.The major function of using the smart card of ISO7816 standard is that the function of keeping secret that makes full use of smart card carries out the active data processing, as electronic transaction.
Smart card can be divided into memory-type card and microprocessor card and contact card, non-contact card and double-interface card sheet etc. again according to the difference of loading chip type, the difference of information communication mode.
The contact intelligent card of standard disposes 8 contacts, the contact standard definition is C1～C8, but two kinds of interface modes are arranged, a kind of is the ISO7816-3 interface modes of standard, interface definition is Vcc, Gnd, Clk, Rst, I/O, take 5 or 6 contacts, i.e. C1, C2, C3, C5, C7, data transmission adopts the ISO7816-3 agreement of standard; Another kind is the ISO7816-12 interface modes, and what data transmission adopted is direct USB host-host protocol, except power supply, takies remaining 2 contacts, i.e. C4 and C8, and interface definition is Vcc, Gnd, D+, D-, card is a USB device in system.The general wherein a kind of mode of compatibility only of existing read write line on the market, if promptly the smart card compatibility ISO7816-3 interface modes of standard, then can't the direct transmission mode of compatible USB; Vice versa.
Summary of the invention
The utility model is in order to solve the deficiencies in the prior art, provides a kind of both compatible ISO7816-3 interface modes of standard, the compound contact card reader of the direct transmission mode of compatible again USB.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of compound contact card reader comprises deck, MCU and IC-card circuit and interface; Described deck is used to connect the smart card of ISO7816-3 standard or the smart card of ISO7816-12 standard; Described interface comprises first interface and second interface; Described deck links to each other with second interface; Described deck also links to each other with first interface by MCU and IC-card circuit.
Described first interface: be used to connect described MCU and IC-card circuit and main frame, described second interface: be used to connect the deck and the main frame that are inserted with the ISO7816-12 standard intelligent card.
Also comprise switch in the such scheme, described deck links to each other with second interface by switch, and described deck also links to each other with MCU and IC-card circuit by switch.
Described first interface and second interface are same interface.
Described switch is six groups of manual single-pole double-throw switch (SPDT)s.
Described switch is six groups of single-pole double-throw (SPDT) electromagnetic relays.
Described switch is an analog switch.
Compared with prior art, the utility model is by having increased USB interface or switch in existing read write line, make existing read write line not only support the smart card of the employing ISO7816-3 transmission mode of standard, also support to adopt the smart card of ISO7816-12 transmission mode, widened the function of existing read write line.
Description of drawings
The structural drawing of a kind of compound contact card reader that Fig. 1 provides for the utility model embodiment 1;
The circuit diagram of a kind of compound contact card reader that Fig. 2 provides for the utility model embodiment 1;
The structural drawing of a kind of compound contact card reader that Fig. 3 provides for the utility model embodiment 2;
The circuit diagram of a kind of compound contact card reader that Fig. 4 provides for the utility model embodiment 2;
The structural drawing of a kind of compound contact card reader that Fig. 5 provides for the utility model embodiment 3;
The circuit diagram of a kind of compound contact card reader that Fig. 6 provides for the utility model embodiment 3;
The structural drawing of a kind of compound contact card reader that Fig. 7 provides for the utility model embodiment 4;
The circuit diagram of a kind of compound contact card reader that Fig. 8 provides for the utility model embodiment 4;
The structural drawing of a kind of compound contact card reader that Fig. 9 provides for the utility model embodiment 5;
The circuit diagram of a kind of compound contact card reader that Figure 10 provides for the utility model embodiment 5.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing the utility model is described further, but not as to qualification of the present utility model.
Embodiment 1:
Referring to Fig. 1, a kind of compound contact card reader comprises:
Deck 101: be used to connect smart card, link to each other, also link to each other with second interface 104 with MCU and IC-card circuit 102;
MCU and IC-card circuit 102: undertaken alternately by the smart card of deck 101 with the ISO7816-3 standard; And undertaken alternately by first interface 103 and main frame;
First interface 103: be the data transmission channel between MCU and IC-card circuit 102 and main frame;
Second interface 104: be via the smart card of the ISO7816-12 standard of deck 101 and the data transmission channel between main frame.
Among the utility model embodiment, specifically acting as of MCU and IC-card circuit 102: according to the smart card information of host command operation via the ISO7816-3 standard of deck 101, after converting thereof into the smart card information of USB standard, send to main frame via first interface 103; Also receive simultaneously by first interface 103 and receive the information that main frames are issued smart card, through or connect by deck 101 and send to smart card without handling the back.
Referring to Fig. 2, the circuit diagram of a kind of compound contact card reader that provides for the utility model embodiment 1, MCU and IC-card circuit have specifically adopted the MCU processor of model U1C8051F344 and relevant resistance, electric capacity and triode among the figure; First interface concrete corresponding the USB interface of label J1; Second interface concrete corresponding the USB interface of label J2; Deck concrete corresponding label be the contact draw-in groove of J3.Concrete principle of work is: in the time will operating the smart card of ISO7816-12 standard, connect the second interface J2, insert intelligence and snap into J3, main frame is by the smart card information of USB interface J2 and contact draw-in groove J3 direct control ISO7816-12 standard; In the time will operating the smart card of ISO7816-3 standard, connect the first interface J1, insert intelligence and snap into J3, the MCU and the IC-card circuit that contain the MCU processor carry out data interaction with the smart card that meets the ISO7816-3 standard that is connected by contact draw-in groove J3, the MCU processor becomes to meet the information of USB standard again with mutual data-switching, carry out communication via J1 interface and external host device, realize the data interaction between main process equipment and the smart card.
Embodiment 2:
Referring to Fig. 3, a kind of compound contact card reader comprises:
Deck 201: be used to connect smart card, also link to each other with switch 202;
Switch 202: a plurality of pins that are used to switch deck 201, make these pin gating second interface 205 or MCU and IC-card circuit 203, specifically be the switch of six groups of single-pole double-throw (SPDT)s, conducting deck 201 and MCU and IC-card circuit 203 are selected in the conducting that can simultaneously six groups of switches be made progress; Also can select the conducting deck 201 and second interface 205 simultaneously with six groups of downward conductings of switch;
MCU and IC-card circuit 203: be used for when switch 202 during with itself and deck 201 gatings, the smart card by deck 201 and ISO7816-3 standard carries out data interaction; Also be used for carrying out data interaction with main frame by first interface 204;
First interface 204: be the data transmission channel between MCU and IC-card circuit 203 and main frame;
Second interface 205:, be via the smart card of the ISO7816-12 standard of deck 201 and the data transmission channel between main frame when switch 202 during with itself and deck 201 gatings.
Referring to Fig. 4, a kind of compound contact card reader circuit diagram that provides for the utility model embodiment 2.MCU and IC-card circuit 203 have specifically adopted the MCU processor of model U1 C8051F344 and relevant resistance, electric capacity and triode among the figure; Concrete corresponding the USB interface of label J1 of first interface 204; Concrete corresponding the USB interface of label J2 of second interface 205; Concrete corresponding the contact draw-in groove circuit of J3 of deck 201; Switch 202 correspondences label SW1.Concrete principle of work is: in the time will operating the smart card of ISO7816-12 standard, six switches of switch SW 1 are all pulled following position--be the direct and USB interface J2 conducting of contact draw-in groove J3, when read write line connects main frame, smart card inserts J3, and then main frame meets the smart card of ISO7816-12 standard by USB interface J2 direct control.In the time will operating the smart card of ISO816-3 standard, six switches of switch SW 1 are all pulled top position---be contact draw-in groove J3 and MCU and IC-card circuit turn-on, simultaneously, the D+ of contact draw-in groove J3 and D-pin are by vacant, when read write line connects main frame, smart card inserts J3, then MCU and IC-card circuit carry out data interaction with the smart card that meets the ISO7816-3 standard that is connected by contact draw-in groove J3, the MCU processor becomes to meet the information of USB standard again with mutual data-switching, carry out communication via J1 interface and external host device, realize the data interaction between main process equipment and the smart card.
Further, the switch 202 in the present embodiment also can be an analog switch, for example: the analog switch of six groups of alternatives.
Embodiment 3:
Referring to Fig. 5, a kind of compound contact card reader comprises:
Deck 301: be used to connect smart card, also link to each other with switch 302;
Switch 302: conducting deck 301 and MCU and IC-card circuit 303 under the default conditions, when second interface 305 links to each other with main frame, the conducting deck 301 and second interface 305.It specifically is the electromagnetic relay of six groups of single-pole double-throw (SPDT)s; Conducting deck 301 and MCU and IC-card circuit 303 are selected in the conducting that can simultaneously six groups of switches be made progress; Also can select the conducting deck 301 and second interface 305 simultaneously with six groups of downward conductings of switch;
MCU and IC-card circuit 303: by default, the smart card by deck 301 and ISO7816-3 standard carries out data interaction; Also carry out data interaction by first interface 304 and main frame;
First interface 304: be the data transmission channel between MCU and IC-card circuit 303 and main frame;
Second interface 305:, be main frame and via the data transmission channel between the smart card of the ISO7816-12 standard of deck 301 when switch 302 during with itself and deck 301 conductings.
Referring to Fig. 6, a kind of compound contact card reader circuit diagram that provides for the utility model embodiment 3.MCU and IC-card circuit 303 have specifically adopted the MCU processor of model U1C8051F344 and relevant resistance, electric capacity and triode among the figure; Concrete corresponding the USB interface of label J1 of first interface 304; Concrete corresponding the USB interface of label J2 of second interface 305; Deck concrete corresponding the contact draw-in groove of J3; Switch 302 correspondences six groups of single-pole double-throw (SPDT) electromagnetic relays of label REL1.Concrete principle of work is: in the time will operating the smart card of ISO7816-12 standard, label is that the USB interface of J2 is connected with main frame, electromagnetic relay KEL1 powers on, drop-down six groups of electromagnetic relays, contact draw-in groove J3 and interface J2 conducting, simultaneously, the RST of contact draw-in groove J3, CLK and I/O pin are suspended, and main frame sends instruction by the smart card information of USB interface J2 and contact draw-in groove J3 operation ISO7816-12 standard or to it; In the time will operating the smart card of ISO7816-3 standard, label is that the USB interface of J1 is connected with main frame, relay K EL1 does not power on, then the contact switch acquiescence is connected contact draw-in groove J3 with MCU processor and interlock circuit, this moment, D+ and the D-pin of contact draw-in groove J3 were suspended, contact draw-in groove J3 inserts smart card, then MCU and IC-card circuit carry out data interaction with the smart card that meets the ISO7816-3 standard that is connected by contact draw-in groove J3, the MCU processor becomes to meet the information of USB standard again with mutual data-switching, carry out communication via J1 interface and external host device, realize the data interaction between main process equipment and the smart card.
Further, the switch 302 in the present embodiment also can be an analog switch, for example: the analog switch of six groups of alternatives.
Embodiment 4:
Referring to Fig. 7, a kind of compound contact card reader comprises:
Deck 401: be used to connect smart card, also link to each other with switch 402;
Switch 402: be used for gating deck 401 and MCU and IC-card circuit 403, or gating deck 401 and interface 404, specifically be six groups of single-pole double-throw switch (SPDT)s, conducting deck 401 and MCU and IC-card circuit 403 are selected in the conducting that can simultaneously six groups of switches be made progress; Also can select conducting deck 401 and interface 404 simultaneously with six groups of downward conductings of switch;
MCU and IC-card circuit 403: the smart card by deck 401 and ISO7816-3 standard carries out data interaction; Also carry out data interaction by interface 404 and main frame;
Interface 404:, be the data transmission channel of 403 in main frame and MCU and IC-card circuit when switch 402 during with deck 401 and MCU and 403 conductings of IC-card circuit; When switch 402 with deck 401 during with interface 404 conductings, be main frame and via the data channel between the smart card of the ISO7816-12 standard of deck 401.
Referring to Fig. 8, a kind of compound contact card reader circuit diagram that provides for the utility model embodiment 4.MCU and IC-card circuit 403 have specifically adopted the MCU processor of model U1C8051F344 and relevant resistance, electric capacity and triode among the figure; Concrete corresponding the USB interface of label J1 of interface 404; Concrete corresponding the contact draw-in groove of J3 of deck 401; Switch 402 correspondences six groups of single-pole double-throw switch (SPDT)s that label is SW1.Concrete principle of work is: in the time will operating the smart card of ISO7816-12 standard, switch SW 1 is pulled following position---be contact draw-in groove J3 and the direct conducting of USB interface J1, simultaneously, the RST of contact draw-in groove J3, CLK and I/O pin are suspended, when read write line connected main frame, J3 inserted smart card, and then main frame meets the smart card of ISO7816-12 standard by USB interface J1 direct control.In the time will operating the smart card of ISO816-3 standard, switch SW 1 is pulled top position---be contact draw-in groove J3 and MCU and IC-card circuit turn-on, simultaneously, D+ and the D-pin of contact draw-in groove J3 are suspended, when read write line connects main frame, J3 inserts smart card, then MCU and IC-card circuit carry out data interaction with the smart card that meets the ISO7816-3 standard that is connected by contact draw-in groove J3, the MCU processor becomes to meet the information of USB standard again with mutual data-switching, carry out communication via J1 interface and external host device, realize the data interaction between main process equipment and the smart card.
Further, the switch 402 in the present embodiment also can be an analog switch, for example: the analog switch of six groups of alternatives.
Embodiment 5:
Referring to Fig. 9, a kind of compound contact card reader for the utility model provides comprises:
Deck 501: be used to connect smart card, also link to each other with switch 502;
Be used to connect smart card and MCU and IC-card circuit 503, also be used to connect smart card and interface 504.
Switch 502: under the default conditions with deck 501 and MCU and 503 conductings of IC-card circuit; When main frame sends the passage switching command via interface 504 to MCU and IC-card circuit 503, MCU and IC-card circuit 503 power on the electromagnetic relay in the switch 502, and then deck 501 directly is connected with interface 504.Specifically be six groups of single-pole double-throw (SPDT) formula electromagnetic relays.Under the default conditions, conducting deck 501 and MCU and IC-card circuit 503 are selected in the conducting that makes progress of six group relaies; Also can select conducting deck 501 and interface 504 simultaneously with the downward conducting of six group relaies.
MCU and IC-card circuit 503: carry out data interaction by deck 501 and ISO7816-3 standard intelligent card; Also carry out data interaction by interface 504 and main frame.
Interface 504: when switch 502 links to each other deck 501 with MCU and IC-card circuit 503, be the data transmission channel of 503 in main frame and MCU and IC-card circuit; When switch 502 that deck 501 is direct when coupled, be main frame and via the data channel between the smart card of the ISO7816-12 standard of deck 501.
Referring to Figure 10, a kind of compound contact card reader circuit diagram that provides for the utility model embodiment 5.MCU and IC-card circuit 503 have specifically adopted the MCU processor of model U1 C8051F344 and relevant resistance, electric capacity and triode among the figure; Concrete corresponding the USB interface of label J1 of interface 504; Concrete corresponding the contact draw-in groove circuit of J3 of deck 501; It is REL1's that switch 502 correspondences label; Six groups of single-pole double-throw (SPDT) electromagnetic relays.Concrete principle of work is: under the default conditions, the conducting up of the contact of electromagnetic relay REL1, D+ and the D-pin of contact draw-in groove J3 are suspended, main frame is earlier by the smart card information of MCU processor via deck operation ISO7816-3 standard, if it is unsuccessful, main frame sends the passage switching command by interface J1 to the MCU processor, after the MCU processor is received instruction, its P2.7 pin is set to low level, the then solenoid of electromagnetic relay REL1 power supply, the drop-down change direction in contact, draw-in groove J3 will directly be connected with USB interface, at this moment, and the RST of contact draw-in groove J3, CLK and I/O pin are suspended, and then main frame can be directly carries out data interaction with smart card via the ISO7816-12 standard of contact draw-in groove J3.
Further, the switch 502 in the present embodiment also can be an analog switch, for example: the analog switch of six groups of alternatives.
Among the utility model embodiment, behind direct gating deck of switch and the interface, why RST, CLK and the I/O pin of deck will be hung up, be for fear of when deck links to each other with the smart card of ISO7816-12 standard, is subjected in smart card and the host communication process disturbing from the signal of above-mentioned pin.In like manner, behind switching gate deck and MCU and the IC-card circuit, also the D+ of deck and D-pin can be hung up, when preventing that deck links to each other with the smart card of ISO7816-3 standard, be subjected to signal interference in smart card and the host communication process from these two pins.
Above-described embodiment, the utility model embodiment a kind of more preferably just, the common variation that those skilled in the art carries out in the technical solutions of the utility model scope and replacing all should be included in the protection domain of the present utility model.
Claims (7)
1, a kind of compound contact card reader comprises deck, MCU and IC-card circuit and interface, it is characterized in that, described deck is used to connect the smart card of ISO7816-3 standard or the smart card of ISO7816-12 standard; Described interface comprises first interface and second interface; Described deck links to each other with second interface; Described deck also links to each other with first interface by MCU and IC-card circuit.
2, compound contact card reader according to claim 1 is characterized in that, described first interface: be used to connect described MCU and IC-card circuit and main frame, described second interface: be used to connect the deck and the main frame that are inserted with the ISO7816-12 standard intelligent card.
3, compound contact card reader according to claim 1 is characterized in that, also comprises switch, and described deck links to each other with second interface by switch, and described deck also links to each other with MCU and IC-card circuit by switch.
4, compound contact card reader according to claim 3 is characterized in that, described first interface and second interface are same interface.
5, according to claim 3 or 4 described compound contact card readers, it is characterized in that described switch is six groups of manual single-pole double-throw switch (SPDT)s.
6, according to claim 3 or 4 described compound contact card readers, it is characterized in that described switch is six groups of single-pole double-throw (SPDT) electromagnetic relays.
7, according to claim 3 or 4 described compound contact card readers, it is characterized in that described switch is an analog switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201048888U CN201340604Y (en) | 2009-01-13 | 2009-01-13 | Composite contact card reader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201048888U CN201340604Y (en) | 2009-01-13 | 2009-01-13 | Composite contact card reader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201340604Y true CN201340604Y (en) | 2009-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201048888U Expired - Lifetime CN201340604Y (en) | 2009-01-13 | 2009-01-13 | Composite contact card reader |
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| Country | Link |
|---|---|
| CN (1) | CN201340604Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106022176A (en) * | 2016-05-11 | 2016-10-12 | 新智数字科技有限公司 | Card recharging method, terminal, intelligent card, and card recharging system |
| CN106022177A (en) * | 2016-05-11 | 2016-10-12 | 新智数字科技有限公司 | Data processing method and intelligent card |
-
2009
- 2009-01-13 CN CNU2009201048888U patent/CN201340604Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106022176A (en) * | 2016-05-11 | 2016-10-12 | 新智数字科技有限公司 | Card recharging method, terminal, intelligent card, and card recharging system |
| CN106022177A (en) * | 2016-05-11 | 2016-10-12 | 新智数字科技有限公司 | Data processing method and intelligent card |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: FEITIAN CHENGXIN TECHNOLOGY CO., LTD. Free format text: FORMER NAME: BEIJING FEITIAN CHENGXIN SCIENCE + TECHNOLOGY CO. LTD. |
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| CP03 | Change of name, title or address |
Address after: 100085 Beijing city Haidian District Xueqing Road No. 9 Ebizal building B block 17 layer Patentee after: Feitian Technologies Co., Ltd. Address before: 100083, Haidian District, Xueyuan Road, No. 40 research, 7 floor, 5 floor, Beijing Patentee before: Beijing Feitian Chengxin Science & Technology Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20091104 |
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| CX01 | Expiry of patent term |