CN2566380Y - IC card fingerprint identification device - Google Patents
IC card fingerprint identification device Download PDFInfo
- Publication number
- CN2566380Y CN2566380Y CN 02267160 CN02267160U CN2566380Y CN 2566380 Y CN2566380 Y CN 2566380Y CN 02267160 CN02267160 CN 02267160 CN 02267160 U CN02267160 U CN 02267160U CN 2566380 Y CN2566380 Y CN 2566380Y
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- Prior art keywords
- circuit
- card
- chip
- interface
- fingerprint identification
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- Expired - Lifetime
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Abstract
The utility model relates to a fingerprint identifying device of an IC card. The utility model is characterized in that a circuit part is formed by connecting a single sheet computer circuit, an RS-232 interface circuit, an IC card interface circuit, a fingerprint sensor circuit, a power supply circuit, a keyboard circuit, an LCD display circuit, a data memory circuit, and a fingerprint identifying module circuit, wherein, the single sheet computer circuit is respectively connected with portion interfaces of the RS-232 interface circuit, the IC card interface circuit, the fingerprint sensor circuit, the power supply circuit, the keyboard circuit, the LCD display circuit, the data memory circuit, and the fingerprint identifying module circuit, and a safety application module circuit formed by an interface chip U1 of an SAM card and a card seat U4 of the SAM card is connected with the single sheet computer circuit through the IC card interface circuit. The utility model has the advantages of application of fingerprint identification to solve the problem of personal identification, high security and confidentiality, convenient operation, high reading and writing speed, small size, powerful function of data encryption, and large quantity of data storage.
Description
Technical field
The utility model relates to a kind of Digital Data Processing Equipment, mainly is a kind of IC-card fingerprint identification device.
Background technology
IC-card is compared with traditional data transmission set, has higher security, and is more convenient, and can bring bigger economic benefit, thereby has been widely used in fields such as financial payment, administration, application system, network engineering.Because in the IC-card application system, the identification of identity and be confirmed to be vital link, and traditional identification means are to check modes such as personal document number, photo or key, existing hidden danger of this mode and drawback are well-known, just have identity theft, personation, data theft equally likely possibility.
Summary of the invention
The utility model mainly provides a kind of employing and checks holder's fingerprint characteristic to have improved the IC-card fingerprint identification device of recognition system data security.
The technical scheme that its technical matters that solves the utility model adopts.This IC-card fingerprint identification device, circuit part is connected to form by single chip circuit, RS-232 interface circuit, IC-card interface circuit, fingerprint sensor circuit, power circuit, keyboard circuit, LCD display circuit, data-carrier store circuit, fingerprint identification module circuit; Wherein single chip circuit joins with the part interface of RS-232 interface circuit, IC-card interface circuit, fingerprint sensor circuit, power circuit, keyboard circuit, LCD display circuit, data-carrier store circuit, fingerprint identification module circuit respectively; The Secure Application Module circuit that is made of SAM card chip U1 and SAM card deck U4 joins by IC-card interface circuit and single chip circuit; The interface of fingerprint sensor circuit and fingerprint identification module circuit join; The power end of the power output end of power circuit and other circuit of complete machine joins so that dc supply to be provided.
The technical scheme that its technical matters that solves the utility model adopts can also be further perfect.Described IC-card interface circuit comprises that mainly IC-card chip U2 and deck chip interface U5 connect to form; Described single chip circuit is connected to form with C20 and crystal oscillator Y4 by single-chip microcomputer U15, capacitor C 19; Fingerprint sensor circuit mainly is made of sensor chip U10; Keyboard circuit is made of keyboard chip U9; The LCD display circuit mainly is made of display chip U12; Power circuit mainly is made of power supply chip U8; The data-carrier store circuit mainly is made of data-carrier store chip U7.Described RS-232 interface circuit is to connect the circuit that the circuit that the interface chip U13 of PC constitutes or the interface chip U14 that connects single-chip microcomputer constitute.Described single chip circuit also is connected with clock module circuit, buzzer circuit, library stores device circuit.Described clock module circuit mainly is made of clock chip U3, and library stores device circuit is made of library stores device U6.
1), can gather finger print information the effect that the utility model is useful is:, the fingerprint module of gathering is preserved in the identity IC-card, the fingerprint that can read fingerprint module and holder again from IC-card compares evaluation; 2), employing fingerprint is discerned a difficult problem that solves identification, security and confidentiality height; 3), by RS-232 interface, can realize and the communicating by letter of host computer; 4), easy to use, read or write speed is fast, volume is little, data encryption feature is strong, the data-storing amount is big, is specially adapted to the system that financial sector and confidentiality are had relatively high expectations.
Description of drawings
Fig. 1 is the utility model system architecture theory diagram;
Fig. 2 is the utility model single chip circuit, library stores device circuit, data-carrier store circuit, Secure Application Module circuit, clock module circuit, fingerprint identification module circuit, IC-card interface circuit and required peripheral interface circuit figure;
Fig. 3 is the utility model fingerprint sensor circuit and peripheral interface circuit figure;
Fig. 4 is the utility model power circuit, RS-232 interface circuit, buzzer circuit circuit diagram, keyboard circuit, LCD display circuit and peripheral interface circuit figure thereof;
Embodiment:
Below in conjunction with embodiment the utility model is further described.This IC-card fingerprint identification device, circuit part is connected to form by single chip circuit, RS-232 interface circuit, IC-card interface circuit, buzzer circuit, fingerprint sensor circuit, power circuit, keyboard circuit, LCD display circuit, library stores device circuit, data storage circuitry, clock module circuit, fingerprint identification module circuit; Wherein single chip circuit joins with the part interface of RS-232 interface circuit, IC-card interface circuit, buzzer circuit, fingerprint sensor circuit, power circuit, keyboard circuit, LCD display circuit, library stores device circuit, data storage circuitry, clock module circuit, fingerprint identification module circuit respectively; The Secure Application Module circuit that is made of SAM card chip U1 and SAM card deck U4 joins by IC-card interface circuit and single chip circuit; The interface of fingerprint sensor circuit and fingerprint identification module circuit join.The power end of the power output end of power circuit and other circuit of complete machine joins so that dc supply to be provided, and power supply can select for use battery or AC power through the power supply of direct current conversion carrying out system.
Described IC-card interface circuit comprises that mainly IC-card chip U2 and deck chip interface U5 connect to form; Described single chip circuit is connected to form with C20 and crystal oscillator Y4 by single-chip microcomputer U15, capacitor C 19; Library stores device circuit is made of library stores device U6; Data storage circuitry mainly is made of data-carrier store U7; Keyboard circuit is made of keyboard chip U9; Power circuit mainly is made of power supply chip U8.The clock module circuit mainly is made of clock chip U3, so that accurate clock to be provided.Described RS-232 interface circuit can be to connect the circuit that the circuit that the interface chip U13 of PC constitutes or the interface chip U14 that connects single-chip microcomputer constitute.Fingerprint sensor circuit is made of sensor chip U10, adopts the live body semiconductor transducer, has the advanced automatic detecting function of corium; Adopt keyboard to import control, the LCD display circuit mainly is made of display chip U12, and LCD shows the employing dot lcd, can show various spoken and written languages in conjunction with library stores device circuit easily by library stores device U6.
Principle of work: adopt fingerprint identification module to finish fingerprint identification function, as input/output control unit, import with keyboard by single-chip microcomputer.LCD (LCD) realizes Chinese and English output.The clock module circuit provides accurate system clock.User smart card is inserted, on the living body finger print sensor, press finger, its fingerprint is collected and recorded by fingerprint identification module at once, through calculation process, the fingerprint that is stored in advance in the user smart card is compared, make according to comparison result: this living body finger print whether with user smart card in the fingerprint of typing in advance, be the judgement of same finger print.Reach the purpose of authentication with this.The SAM card (safety certification card) that is installed within the utility model system forms security mechanism to self system, authenticates the legitimacy of this user smart card.The utility model is considered Application Expansion, adds the RS232 interface circuit especially, can be connected with PC.With reach more function as: the initialization of subscriber card (user's name, personal information, fingerprint etc. are write in the IC-card), online programming (application program is downloaded to the utility model system from PC), the record of will swiping the card from the utility model system upload to PC or the like.
Concrete main wiring is: connect 13 pin of RS-232 interface circuit U 14 of PC and 3 pin and join with 7 pin and 5 pin of single-chip microcomputer U15 respectively; 24 pin of the output terminal of buzzer circuit and single-chip microcomputer U15 join; The display chip U12 of LCD display circuit and 36 pin of single-chip microcomputer U15 and 37 pin join; The keyboard chip U9 of keyboard circuit and 44 pin of single-chip microcomputer U15 and 18 pin join.
Claims (7)
1, a kind of IC-card fingerprint identification device is characterized in that: circuit part is connected to form by single chip circuit, RS-232 interface circuit, IC-card interface circuit, fingerprint sensor circuit, power circuit, keyboard circuit, LCD display circuit, data-carrier store circuit, fingerprint identification module circuit; Wherein single chip circuit joins with the part interface of RS-232 interface circuit, IC-card interface circuit, fingerprint sensor circuit, power circuit, keyboard circuit, LCD display circuit, data-carrier store circuit, fingerprint identification module circuit respectively; The Secure Application Module circuit that is made of SAM card chip U1 and SAM card deck U4 joins by IC-card interface circuit and single chip circuit; The interface of fingerprint sensor circuit and fingerprint identification module circuit join; The power end of the power output end of power circuit and other circuit of complete machine joins so that dc supply to be provided.
2, IC-card fingerprint identification device according to claim 1 is characterized in that: described IC-card interface circuit comprises that mainly IC-card chip U2 and deck chip interface U5 connect to form; Described single chip circuit is connected to form with C20 and crystal oscillator Y4 by single-chip microcomputer U15, capacitor C 19; Fingerprint sensor circuit mainly is made of sensor chip U10; Keyboard circuit is made of keyboard chip U9; The LCD display circuit mainly is made of display chip U12; Power circuit mainly is made of power supply chip U8; The data-carrier store circuit mainly is made of data-carrier store chip U7.
3, IC-card fingerprint identification device according to claim 1 is characterized in that: described RS-232 interface circuit is to connect the circuit that the circuit that the interface chip U13 of PC constitutes or the interface chip U14 that connects single-chip microcomputer constitute.
4, IC-card fingerprint identification device according to claim 1, it is characterized in that: described single chip circuit also is connected with clock module circuit and buzzer circuit.
5, IC-card fingerprint identification device according to claim 1 and 2 is characterized in that: described single chip circuit also is connected with library stores device circuit.
6, according to claim 1 or 4 described IC-card fingerprint identification devices, it is characterized in that: described clock module circuit mainly is made of clock chip U3.
7, IC-card fingerprint identification device according to claim 5 is characterized in that: described library stores device circuit is made of library stores device U6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02267160 CN2566380Y (en) | 2002-09-17 | 2002-09-17 | IC card fingerprint identification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02267160 CN2566380Y (en) | 2002-09-17 | 2002-09-17 | IC card fingerprint identification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2566380Y true CN2566380Y (en) | 2003-08-13 |
Family
ID=33732810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02267160 Expired - Lifetime CN2566380Y (en) | 2002-09-17 | 2002-09-17 | IC card fingerprint identification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2566380Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104050459A (en) * | 2014-06-30 | 2014-09-17 | 洛阳企盟信息科技有限公司 | Police fingerprint identification checking device |
-
2002
- 2002-09-17 CN CN 02267160 patent/CN2566380Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104050459A (en) * | 2014-06-30 | 2014-09-17 | 洛阳企盟信息科技有限公司 | Police fingerprint identification checking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120917 Granted publication date: 20030813 |