CN2498651Y - Fingerprint integrated circuit card keyboard - Google Patents
Fingerprint integrated circuit card keyboard Download PDFInfo
- Publication number
- CN2498651Y CN2498651Y CN 01270329 CN01270329U CN2498651Y CN 2498651 Y CN2498651 Y CN 2498651Y CN 01270329 CN01270329 CN 01270329 CN 01270329 U CN01270329 U CN 01270329U CN 2498651 Y CN2498651 Y CN 2498651Y
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- China
- Prior art keywords
- fingerprint
- keyboard
- module
- card
- master control
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Abstract
Disclosed is a fingerprint integrated circuit card keyboard with a function of fingerprint identification, comprising a main control panel; a keyboard module is connected with the main control panel; in addition, an IC card read-write module and a fingerprint identifying module are respectively connected with the main control panel and are integrated on the keyboard; the main control panel is connected with a host computer only through one cable wire to form a whole device, hereby the defect that fingerprint character codes are easy to be intercepted because communications between common devices are achieved only by the host computer through cable wires is avoided. In the utility model, the security of the fingerprint equipment can be improved; meanwhile the information in the IC card is protected by the fingerprint as a keyword, therefore the fingerprint keyword is more secure and reliable than common keywords.
Description
Affiliated technical field
The utility model relates to a kind of key board unit with fingerprint identification function, and is especially a kind of according to the operation keyboard of fingerprint characteristic as password.
Background technology
At present, mostly fields such as credit card, stored value card, transportation card are to adopt with the IC-card storer, IC-card has the ability of data of writing and storage data, can be on IC-card with personal information storage, on keyboard, import personal identification number during use, carried out the contrast and the identification of identity and concluded the business by computing machine, making shortcoming in this way is that confidentiality is poor, is difficult for antitheft; A kind of fingerprint identification technology in recent years grew up, fingerprint identification technology is a kind of identification technique of carrying out personal identification according to people's fingerprint, it is the determinacy according to somatic fingerprint, the feature of uniqueness, gather finger print image by fingerprint sensor, and it is handled the formation digital characteristic code, it can be widely used in the fields high to the identification safety requirements such as finance, security, public security, ecommerce.But Fingerprint Identification Unit and IC-card read write line all are autonomous devices at present, and it is more to take desk-top space; Port of every hold facility, it is many to take the host communication port; Each equipment at least one cable causes desktop messy; Various device separates, and uses inconvenient; When being stored in finger print information on the IC-card, finger print information must pass to main frame earlier from Fingerprint Identification Unit when storage, pass to the IC-card read write line from main frame again, then must pass to main frame earlier when reading from the IC-card read write line, pass to Fingerprint Identification Unit from main frame again, information transmission path on line is long, is intercepted easily, causes and gives away secrets.
Summary of the invention
Fingerprint Identification Unit and IC-card read write line all are autonomous devices in the prior art in order to overcome, use inconvenience and information transmission path long, intercepted easily, cause the shortcoming of giving away secrets, the utility model integrates Fingerprint Identification Unit, IC-card read write line and keyboard, can reduce the number of peripheral hardware, and finger print information is directly transmitted between fingerprint identification module and IC-card module for reading and writing, minimizing must strengthen security by the transmission link of external cable and main frame.
The technical scheme that its technical matters that solves the utility model adopts is: it comprises a master control borad; Keysheet module is connected with master control borad; other has the IC-card module for reading and writing; fingerprint identification module is connected with master control borad respectively; IC-card module for reading and writing and fingerprint identification module are integrated on the keyboard; become one; master control borad is connected with main frame; make it become an equipment; only be connected with main frame with a cable; its communication interface is customizable to be keyboard mouth or keyboard mouth+serial ports or USB mouth; IC-card module for reading and writing and fingerprint identification module can pass through the master control borad direct communication in inside; mathematical algorithm and operation program can be stored on the master control borad; deposit fingerprint character code and other customizing messages in the IC-card; fingerprint character code is protected as password other customizing messages; fingerprint scanner in the fingerprint identification module can obtain finger print image information; in fingerprint identification module, be treated to condition code; read fingerprint character code by the IC-card module for reading and writing; and in fingerprint identification module, compare; as compare correct; on send correct information or from IC-card, read information specific and give; so just avoided to communicate through cable by main frame between the conventional equipment; thereby the drawback that fingerprint character code is intercepted easily, the security that has improved fingerprint equipment.
The beneficial effects of the utility model are that three peripheral hardwares become a peripheral hardware, and the security that has improved equipment makes more convenient to operately, simple and direct, the information in the IC-card is protected as password with fingerprint, than ordinary password safety and reliability.
Description of drawings
Fig. 1 is a theory diagram of the present utility model;
Fig. 2 is the theory diagram of the utility model embodiment 1;
Fig. 3 is the circuit diagram of the utility model embodiment 1;
Fig. 4 is the theory diagram of the utility model embodiment 2;
Fig. 5 is the circuit diagram of the utility model embodiment 2;
Fig. 6 is a workflow diagram of the present utility model.
Embodiment
Keysheet module is connected with master control borad among Fig. 1, other has IC-card module for reading and writing, fingerprint identification module to be connected with master control borad respectively, IC-card module for reading and writing and fingerprint identification module are integrated on the keyboard, become one, master control borad is connected with main frame, make it become an equipment, only be connected with main frame with a cable.
Master control borad adopts 32 embedded chips among Fig. 2,3, Fig. 3 a is the connection layout of embedded chip and other assembly, Fig. 3 b is the circuit diagram of fingerprint inductor control module, the model of embedded chip is L2000, link to each other with keyboard matrix, link to each other with the IC-card seat, embedded chip links to each other with main frame by interface circuit MAX23, embedded chip is connected fingerprint inductor by the fingerprint inductor control module with interface J3, and the model of fingerprint inductor control module U7 is HC74LVX3245.Fingerprint inductor can be fingerprint scanner.
Master control borad adopts single-chip microcomputer among Fig. 4,5, and U1 is a single-chip microcomputer, and model is 77e58, and it is connected with an interface circuit U4, and the U4 model is MAX232, and U4 is connected with interface JP2, the external fingerprint module of JP2.U1 connecting interface JP5, interface JP5 then connects the IC-card seat.U4 connects main frame, passes through JP4 external connection keyboard module by interface JP3.
IC-card can be selected for use and both support the CPU card can support the Memory card, or only supports above a kind ofly, and the bottom can install the SAM deck additional, and IC-card and master control borad line can select flat wire, thin film wire for use, justify form such as line.
Fingerprint scanner in the fingerprint identification module can select CMOS for use, also available optics.Fingerprint scanner and master control borad line can be selected forms such as flat wire, thin film wire for use.
The utility model and host interface can adopt that a keyboard mouth, serial ports add a keyboard mouth, 2 serial ports add a keyboard mouth, a mode such as USB mouth, adopt a cable mode with the line of main frame.
Fig. 6 a is the process flow diagram of registration fingerprint character code, and Fig. 6 b is the process flow diagram of checking fingerprint and login.
Claims (10)
1, a kind of fingerprint integrated circuit card keyboard, it comprises a master control borad, Keysheet module is connected with master control borad, it is characterized in that: other has IC-card module for reading and writing, fingerprint identification module to be connected with master control borad respectively, IC-card module for reading and writing and fingerprint identification module are integrated on the keyboard, become one, master control borad is connected with main frame.
2, keyboard according to claim 1 is characterized in that: master control borad is 32 embedded chips or single-chip microcomputer.
3, keyboard according to claim 1 is characterized in that: master control borad is connected by a keyboard mouth with main frame or connects or add serial ports by the keyboard mouth by the USB mouth and is connected with main frame.
4, keyboard according to claim 1 is characterized in that: the fingerprint scanner in the fingerprint identification module is selected CMOS's or optics for use.
5, keyboard according to claim 1 is characterized in that: Keysheet module can be selected mechanical type, diaphragm type or conducting resinl formula for use.
6, keyboard according to claim 1 is characterized in that: the line of IC-card module for reading and writing and master control borad is circle line, flat wire or thin film wire, and the line of fingerprint identification module and master control borad is flat wire or thin film wire.
7, according to claim 1,2 described keyboards, it is characterized in that: single-chip microcomputer U1 is connected with an interface circuit U4, and U4 is connected with interface JP2, the external fingerprint identification module of JP2, and U1 connects JP5, and interface JP5 then connects the IC-card module for reading and writing.
8, according to claim 1,2 described keyboards, it is characterized in that: 32 embedded chips link to each other with keyboard matrix, link to each other with the IC-card seat, embedded chip links to each other with main frame by interface circuit, and embedded chip is connected fingerprint inductor by the fingerprint inductor control module with interface J3.
9, keyboard according to claim 7 is characterized in that: the model of single-chip microcomputer U1 is 77e58, and the U4 model is MAX232.
10, keyboard according to claim 8 is characterized in that: the model of 32 embedded chips is L2000, and the model of fingerprint inductor control module U7 is HC74LVX3245.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01270329 CN2498651Y (en) | 2001-11-08 | 2001-11-08 | Fingerprint integrated circuit card keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01270329 CN2498651Y (en) | 2001-11-08 | 2001-11-08 | Fingerprint integrated circuit card keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2498651Y true CN2498651Y (en) | 2002-07-03 |
Family
ID=33675968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01270329 Expired - Fee Related CN2498651Y (en) | 2001-11-08 | 2001-11-08 | Fingerprint integrated circuit card keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2498651Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102087766A (en) * | 2011-02-18 | 2011-06-08 | 张家港和乔电子有限公司 | Financial keyboard |
-
2001
- 2001-11-08 CN CN 01270329 patent/CN2498651Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102087766A (en) * | 2011-02-18 | 2011-06-08 | 张家港和乔电子有限公司 | Financial keyboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |