CN101187970A

CN101187970A - Adapter for 2-G identity card reader

Info

Publication number: CN101187970A
Application number: CNA2007100426714A
Authority: CN
Inventors: 王晓利; 马骏; 宋建中
Original assignee: SHANGHAI POTEVIO CO Ltd
Current assignee: SHANGHAI POTEVIO CO Ltd
Priority date: 2007-06-26
Filing date: 2007-06-26
Publication date: 2008-05-28

Abstract

The invention provides an adaptor applying to a reader of a second-generation identity card. The invention is characterized in that the adaptor (1) has a connection line with both a PS2 male head (1-1) and a PS2 female head and accesses, via the PS2 male head (1-1), the output end of PS2 is connected to a PC terminal; the adaptor comprises an MCU chip (1-3), an MAX232 chip (1-4) and a E2PROM chip (1-5); the MCU chip (1-3), with the E2PROM chip (1-5) and the MAX232 chip (1-4), respectively forms a group information memory and a serial interface circuit connecting with a second-generation identity card reader (2); at the same time, the MCU chip (1-3) is provided with interfaces respectively connecting with an input keyboard (3) and a computer terminal (4).

Description

The adapter that is used for second generation identity card reader

Technical field

Novel a kind of electronic recognition technology, the especially a kind of adapter that is used for second generation identity card reader of relating to of the present invention.

Background technology

Present financial industry, especially bank all need to show identity document when handling some the deposit or the withdrawal, and by bank clerk ID (identity number) card No. are manually imported computer.Along with popularizing of second generation I.D., because the built-in contactless IC chip that contains certificate information of second generation I.D., new the false proof of I.D. mainly reads to form with machine-readable two parts by looking, and looks and reads partly can with the naked eye distinguish the true and false, and machine-readable part then need be discerned by machine.Had the machine-readable reader of many moneys second generation I.D. on the market, read the certificate information in the IC chip in the I.D. by radio frequency chip, give the computer terminal by serial ports or USB mouth with information transmission, and numerical information is reduced into image or character by the terminal software that is installed in the computer, and by on the window of computer terminal, showing, to distinguish the certificate true and false, false proof degree is very high.

Certainly, reader is used in restriction and the shortcoming that himself is also arranged in these particular environment of bank and other financial mechanism.Because security needs, financial industry PC terminals such as bank mostly adopt DOS, Unix system, and the windows terminal software can't be installed, and except PS2 keyboard mouth, do not have unnecessary RS232 or USB mouth to connect identity card reader.If the machine-readable certificate true and false of distinguishing must dispose a computer that terminal software is housed in addition and realize this reading task.So not only budget increase, and use and extremely inconvenient.

Summary of the invention

Purpose of the present invention: be intended to propose a kind of adapter that is applicable to that the China second-generation identity card reader uses, make the existing terminal computer of present financial circles utilization just can conveniently understand the built-in information of China second-generation identity card ideally, reach the purpose that improves relevant industries work efficiency minimizing equipment input.

This adapter that is used for second generation identity card reader is characterized in that: described adapter 1 has one and has PS simultaneously ₂Male 1-1, again a PS arranged ₂The connecting line 1-3 of female 1-2, and pass through PS ₂Male 1-1 inserts PS ₂The output terminal that connects the PC terminal.

Described is that adapter comprises a MCU chip 1-4, MAX232 chip 1-5, with E2PROM chip 1-6, described MCU chip 1-4 respectively with E2PROM chip 1-6, composition group information memory, form serial port circuit with MAX232 chip 1-5 and be connected with 2 of China second-generation identity card readers; Simultaneously, this MCU chip 1-4 also is respectively equipped with interface and links to each other with computer terminal 4 with input keyboard 3.

Described MCU chip 1-4 adopts the 80C52 single-chip microcomputer, configuration 22.1184MHz crystal oscillator, and described E2PROM chip 1-6 adopts the 24C02-2.7/SOIC8 chip with 2K byte capacity, and with the MAX232 chip 1-5 of MAX company; In actual applications, use P3.2 and P1.0 mouth to accept the keypad code that keyboard sends,, send to the PC terminal by converting certificate information to keypad code by P1.1 and the operation of P1.2 mouth simulating keyboard after handling; By MAX232 chip 1-5, convert Transistor-Transistor Logic level to the RS232 level, be connected, accept certificate information by serial ports with the Certification of Second Generation reader; Simultaneously, MCU chip 1-4 stores configuration information into E2PROM chip 1-6, by MCU chip 1-4 this information is read from E2PROM chip 1-6 when powering at every turn.

According to this recognition device that is used for second generation identity card reader that above technical scheme proposes, by conversion data are passed to computer, entry information possesses and has reached following some beneficial effect.

1. adapter has become the PC terminal can discern the PS2 mouth protocol data that receives second generation ID (identity number) card information data-switching, has realized the coupling between data;

The operation of 2 adapter simulating keyboards is transferred to the PC terminal with certificate information, has realized the transmission between data;

3. make the user use the setting software that provides to change the corresponding setting option easily, just can set the sequential time-delay of keyboard operation etc. arbitrarily according to actual conditions;

4. adapter takies the PS2 keyboard mouth of PC terminal, and the input data provide female mouthful of PS2 to be connected with original keyboard simultaneously, the operation of reception keyboard, and intactly issue computer, the normal utilization of guarantee keyboard.

5. adapter by prior setting, is differentiated key by catching the keyboard key, and the output relevant information; The user can set up arbitrary button (or Macintosh) on their own and export each (or multinomial) certificate information, and is easy and simple to handle, and can accomplish to apply in a flexible way;

6. adapter adds the function of preserving configuration information, even outage can not destroy original configuration information yet, and will read in automatically after powering on, and only need be once convenient for users to use to the setting operation of adapter;

7. adapter is directly sent to the PC terminal with certificate information by changing, for the user has saved expense at terminal development and installing terminal software; Adapter takies the original PS2 mouth of PC terminal, need not to increase in addition other connector, has saved the expense that additional interface is installed.

Description of drawings

Accompanying drawing 1 is structural representation of the present invention;

Accompanying drawing 2 is formed structural representation for adapter;

Accompanying drawing 3 is adapter circuit figure.

Embodiment

This recognition device that is used for second generation identity card reader shown in accompanying

drawing

1,2 is characterized in that: described adapter 1 has one and has PS simultaneously ₂Male 1-1, again a PS arranged ₂The connecting line of female 1-2, and pass through PS ₂Male 1-1 inserts PS ₂The output terminal that connects the PC terminal.

Described is that adapter comprises a MCU chip 1-3, MAX232 chip 1-4, with E2PROM chip 1-5, described MCU chip 1-3 respectively with E2PROM chip 1-5, composition group information memory, form serial port circuit with MAX232 chip 1-4 and be connected with 2 of China second-generation identity card readers; Simultaneously, this MCU chip 1-3 also is respectively equipped with interface and links to each other with computer terminal 4 with input keyboard 3.

On the physical construction technical scheme, adapter design one have a PS simultaneously ₂Male has a PS again ₂The connecting line of female (seeing accompanying drawing 1).PS ₂The PS of male and PC terminal ₂Female links to each other, and sends data, PS ₂Female links to each other with keyboard, receives keypad code.Like this, not only use the original PS of PC terminal ₂Mouthful, need not to increase extra interface, do not hinder the use of original keyboard again.

Aspect electronic technology, described MCU chip 1-4 adopts the 80C52 single-chip microcomputer, configuration 22.1184MHz crystal oscillator, and described E2PROM chip 1-6 adopts the 24C02-2.7/SOIC8 chip with 2K byte capacity, and with the MAX232 chip 1-5 of MAX company; In actual applications, use P3.2 and P1.0 mouth to accept the keypad code that keyboard sends,, send to the PC terminal by converting certificate information to keypad code by P1.1 and the operation of P1.2 mouth simulating keyboard after handling; By MAX232 chip 1-5, convert Transistor-Transistor Logic level to the RS232 level, be connected, accept certificate information by serial ports with the Certification of Second Generation reader; Simultaneously, MCU chip 1-4 stores configuration information into E2PROM chip 1-6, by MCU chip 1-4 this information is read from E2PROM chip 1-6 when powering at every turn.

The principle and the scheme that are provided are as follows: adapter is preserved the certificate information of reading from reader, and receive the key set code that keyboard sends, compare with prior setting, if consistent with the button of setting, to send the corresponding certificate information of button to PC so, pass through PS ₂The operation of mouth simulating keyboard, the input method input information different according to the user; If button is different with setting, then this keypad code is remained untouched and issue terminal, so just guaranteed the operate as normal of original keyboard.The MCU chip is by serial ports (Transistor-Transistor Logic level changes into the level that meets the serial ports standard through the MAX232 chip)) read the certificate information of reading from reader, and the key set code of reception keyboard transmission, compare with prior setting, if it is consistent with the button of setting, to send the corresponding certificate information of button to PC so, by the operation of PS2 mouth simulating keyboard, the input method input information different according to the user; If button is different with setting, then this keypad code is remained untouched and issue terminal, so just guaranteed the operate as normal of original keyboard.Can preserve data after the outage of E2PROM chip, so prior configuration information is preserved wherein, the back MCU that at every turn powers on takes out configuration information automatically from E2PROM, and finishes initialization.

Claims

1. adapter that is used for second generation identity card reader, it is characterized in that: described recognition device has PS simultaneously for having one ₂Male (1-1), again a PS arranged ₂The connecting line (1-3) of female (1-2), and pass through PS ₂Male (1-1) inserts PS ₂The adapter (1) that connects the output terminal of PC terminal.

2. a kind of adapter that is used for second generation identity card reader as claimed in claim 1, it is characterized in that: described is that adapter (1) comprises a MCU chip (1-3), MAX232 chip (1-4), with E2PROM chip (1-5), described MCU chip (1-3) respectively with E2PROM chip (1-5), composition group information memory, form serial port circuit with MAX232 chip (1-4) and be electrically connected with China second-generation identity card reader (2); Simultaneously, this MCU chip (1-3) also is respectively equipped with interface and links to each other with computer terminal (4) with input keyboard (3).

3. a kind of adapter that is used for second generation identity card reader as claimed in claim 1, it is characterized in that: described MCU chip (1-4) adopts the 80C52 single-chip microcomputer, configuration 22.1184MHz crystal oscillator, described E2PROM chip (1-6) adopts the 24C02-2.7/SOIC8 chip with 2K byte capacity, and with the MAX232 chip (1-5) of MAX company; In actual applications, use P3.2 and P1.0 mouth to accept the keypad code that keyboard sends,, send to the PC terminal by converting certificate information to keypad code by P1.1 and the operation of P1.2 mouth simulating keyboard after handling; By MAX232 chip (1-5), convert Transistor-Transistor Logic level to the RS232 level, be connected, accept certificate information by serial ports with the Certification of Second Generation reader; Simultaneously, MCU chip (1-4) stores configuration information into E2PROM chip (1-6), by MCU chip (1-4) this information is read from E2PROM chip (1-6) when powering at every turn.