KR20020011542A - Data read/write device for IC card - Google Patents

Abstract

The present invention relates to an IC card data read / write device,

The conventional IC card lead / light device has been inconvenient to be separately provided by a user using an IC card, and a problem arises in that the IC card lead / light device must be installed in addition to the existing computer.

Accordingly, the present invention for solving the above problems by implementing a read / write device that can read or write information recorded on the IC card in the case formed in a similar shape to the 3.5-inch floppy disk for PC, You do not need to build a separate device to read the IC card at the place where you use it, and you can read the data recorded on the IC card using the floppy disk driver installed in your PC so that you can use the IC card more conveniently. An IC card data read / write device is provided.

Description

IC card data read / write device {Data read / write device for IC card}

The present invention relates to an IC card data read / write device, and more particularly, by implementing a read / write device capable of reading or writing information recorded on an IC card in a case formed in a shape similar to a 3.5-inch floppy disk for a PC. There is no need to build a separate device for reading IC cards at the places where IC cards are used, and the data recorded on IC cards can be read more conveniently using the floppy disk driver installed in the PC. The present invention relates to an IC card data read / write device which can be used.

In general, an IC card is used in various fields such as schedule data, for example, bus fare settlement data, parking fare settlement data, congestion tolls, and the like within a certain size card.

As described above, the application range of IC cards is gradually increasing.

A separate read / write device is used to read data recorded on the IC card or to store data on the IC card.

Conventional IC card read / write device is provided with a separate terminal equipped with communication equipment that communicates with the IC chip embedded in the IC card, and a device for supplying power to the terminal is required. Most IC cards are computers. As it is used in connection with a PC, a separate cable is formed.

The conventional IC card lead / light device has been inconvenient to be separately provided by a user using an IC card, and a problem arises in that the IC card lead / light device must be installed in addition to a conventional computer.

Accordingly, the present invention for solving the above problems by implementing a read / write device that can read or write information recorded on the IC card in the case formed in a similar shape to the 3.5-inch floppy disk for PC, You do not need to build a separate device to read the IC card at the place where you use it, and you can use the floppy disk driver installed in your PC to read the data recorded on the IC card. An object of the present invention is to provide an IC card data read / write device.

The present invention for achieving the above object is to read / write the data of the IC card in which the IC chip for storing a certain amount of data,

A case formed in a shape similar to a 3.5-inch diskette for a PC, and having an insertion hole formed at one end thereof for inserting an IC card;

An IC card interface means connected to the IC chip of the IC card inserted into the case to record data supplied from an external device to the IC chip, and to read and output the data recorded on the IC chip;

The digital data output from the IC card interface means is converted into analog MFM data and supplied to the magnetic interface, and the MFM data for IC card input transmitted and supplied from the head of the PC is converted into a digital signal to the IC card interface means. Control means for supplying;

A magnetic interface mounted to the case, the magnetic interface facing the head of the floppy disk driver when the case is inserted into the floppy disk driver of the PC to transmit and receive data by the MFM protocol;

A head mounted to a floppy disk driver of the PC;

An IC card driving logic for receiving and processing data read from the IC card input through the head and transmitting data to be written to the IC card to the magnetic interface through the head; It consists of.

Inside the case, a power supply unit for supplying power for driving the IC card interface means and the control means is formed.

1 is an explanatory diagram showing the overall configuration of the present invention.

2 is a block diagram showing a configuration of the present invention.

3 to 5 show a state where the IC card is inserted into the apparatus of the present invention.

Illustrative diagram.

Figure 6 is an explanatory view showing the inside of the case applied to the present invention.

7 is a circuit diagram showing a wiring state of the power supply unit applied to the present invention.

8 is an explanatory view showing a coupling state of a magnetic interface and a head applied to the present invention.

* Description of the symbols for the main parts of the drawings *

1: PC, 2: IC card,

3: power supply unit, 4: IC card interface means,

5: control means, 6: magnetic interface,

7: case, 11: head,

12: IC card drive logic, 13: floppy disk driver,

21: IC chip, 31: battery,

33: power switch, 41: input and output,

42: level converting section, 51: CPU,

53: data conversion unit,

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, FIGS. 1 to 8.

The IC card data read / write device of the present invention uses the floppy disk driver 13 of the PC 1 which is commonly used in homes and offices.

The floppy disk driver 13 is equipped with a head 11 that reads or writes data as Modified Frequency Modulation (MFM) protocol. The head 11 writes data to or reads data from a 3.5-inch floppy disk. It has a function and exchanges MFM data with the magnetic interface 6 applied in the present invention.

On the other hand, the PC 1 is provided with an IC card drive logic 12 which processes data read from the IC card 2 or transmits data recorded on the IC card 2.

The IC card 2 has a built-in IC chip 21 that stores a certain amount of data and can input and output data.

As shown in FIG. 3, the data read / write device of the present invention is mounted in a separate case 7 formed in a shape similar to a diskette of a 3.5-inch floppy disk, and at one end of the case 7, an IC card 2 ) Is inserted into a separate insertion hole 72 is formed.

The device for reading / writing the data of the IC card 2 mounted on the case 7 is largely composed of the IC card interface means 4, the control means 5, the magnetic interface 6, and the power supply unit 3.

The IC card interface means 4 writes data to the IC chip 21 of the IC card 2 inserted into the case 7 or reads out the data recorded in the IC chip 21, and the level converting section 42 And the level of data supplied from the input / output unit 41 to the control unit 5 is converted into a level that can be recognized by the control unit 5 and supplied to the control unit 5, The level of data input from 5) is composed of a level converting section 42 which converts the level into a level that can be recognized by the input / output section 41.

The IC card interface means 4 is connected to the IC chip 21 of the IC card 2 which is installed inside the case 7 and inserted into the insertion hole 72 so as to supply data supplied from an external device. 21), and the data recorded on the IC chip 21 is read out and output.

The control means 5 controls the smooth communication of data between the PC 1 and the IC card interface means 4, and the data input from the IC card interface means 4 and the data supplied from the PC 1 are each IC. CPU 51 which controls the chip 21 and the PC 1 to be correctly supplied, an amplifier 52 which amplifies data input and output between the CPU 51 and the data converter 53, and the PC 1. And data conversion unit 53 for converting digital data to be supplied to the ") side into analog MFM data, and converting MFM analog data input from the magnetic interface 6 into digital data that can be recognized by the CPU 51.

The magnetic interface 6 is formed at the upper center of the case 7 so that when the case 7 is inserted into the floppy disk driver, the magnetic interface 6 faces the head 11 mounted on the floppy disk driver 13. And data communication using the MFM protocol.

On the other hand, the power supply unit 3 supplies driving power to the IC card interface means 4 and the control means 5, the power supply unit 3 is a battery 31 and a battery 31 for outputting a voltage of 3V ) Is composed of a DC-DC converter 32 which converts the output voltage of the circuit into a 5V voltage and supplies it to the IC card interface means 4.

As shown in FIG. 5, a power switch 33 for connecting the battery 31 and the DC-DC conversion unit 32 is formed at the upper center of the case 7. When the case 7 is inserted into the floppy disk driver 13 while the IC card 2 is inserted into the case 7 in the case 7, the output voltage of the battery 31 is reduced. Power is supplied to (4) and control means (5).

On the other hand, using the DC-DC converter 32 of the power supply unit 3 to convert the power supplied to the input and output unit 41 to 5V, while the control means 5 uses the power supply 3V while the IC card 2 And the input / output section 41 use a 5V power supply.

Referring to the operation of the present invention configured as described above is as follows.

First, a user for reading data recorded on the IC card 2 inserts the IC card 2 into the case 7.

When inserting the IC card 2 into the case 7, as shown in (b) of FIG. 3, push the IC card 2 from the front of the IC card 2 (the part where the IC chip is embedded) to the insertion hole 72 of the case 7. When the IC card 2 is completely inserted into the case 7, the IC chip 21 embedded in the IC card 2 and the input / output unit 41 are connected.

The position at which the input / output unit 41 is formed is biased toward one side of the case 7 as shown in FIG. 4, so that the IC chip 21 of the IC card 2 is completely inserted when the IC card 2 is completely inserted. It is connected to the input / output section 41.

When the case 7 into which the IC card 2 is inserted is inserted into the floppy disk driver 13 of the PC 1, the floppy disk driver 13 is driven by the IC card driving logic 12 installed in the PC 1. Recognizing that the IC card 2 has been inserted into the card, it is prepared to read the data recorded on the IC card 2.

When the case 7 is inserted into the floppy disk driver 13, the magnetic interface 6 and the head 11 of the case 7 face each other.

In addition, when the case 7 is inserted into the floppy disk driver 13, the power switch 33 formed at the upper end of the case 7 is automatically turned on, so that the output power of the battery 31 is DC. It is supplied to the DC converter 32, and the DC-DC converter 32 converts the input 3V voltage into 5V and supplies it to the input / output unit 41.

Here, the process of recording data on the IC card 2 and the process of reading data will be described separately.

First, the process of recording data on the IC card 2 will be described.

The recording data output from the IC card driving logic 12 of the PC 1 is supplied to the head 11 and transmitted to the magnetic interface 6 by the MFM protocol, and the MFM data transmitted to the magnetic interface 6 is data. The level is amplified while passing through the amplifier 52 after being converted into digital data by the converter 53 and supplied to the CPU 51.

The digital data supplied to the CPU 51 is converted into a signal level that can be recognized by the input / output unit 41 by the level conversion unit 42, and then the IC chip of the IC card 2 by the input / output unit 41. 21).

On the other hand, the process of reading the data recorded on the IC card 2 will be described.

The input / output section 41 reads the data stored in the IC chip 21 of the IC card 2 and outputs the data to the level converting section 42. The level converting section 42 reads the level of the read data from the CPU ( 51 and convert it to a level that can be recognized.

The CPU 51 supplies the digital data supplied from the level converting section 42 to the data converting section 53 through the amplifying section 52, and the data converting section 53 supplies the input digital data with analog MFM. The data is converted into data and supplied to the magnetic interface 6.

The analog MFM data supplied to the magnetic interface 6 is transferred to the head 11 by the MFM protocol and supplied to the IC card driving logic 12.

As described above, the use of the device of the present invention eliminates the need for a separate IC card read / write device when the IC card is to be used, and uses a floppy disk driver installed in a PC. By implementing a device for reading or writing data recorded on the IC card in the case 7, it is possible to read and write data to the IC card simply and easily.

As described above, the present invention implements a read / write device capable of reading or writing information recorded on an IC card in a case formed in a shape similar to a 3.5-inch floppy disk for a PC, where the IC card is used. IC does not need to establish a separate device for reading IC card, and it is possible to read data recorded on IC card by using floppy disk driver installed in PC. The effect of providing a card data read / write device can be expected.

Claims (6)

In reading / writing the data of the IC card 2 in which the IC chip 21 for storing a certain amount of data is embedded, A case 7 formed in a shape similar to a 3.5-inch diskette for a PC and having an insertion hole formed at one end thereof for inserting the IC card 2; The data supplied from an external device connected to the IC chip 21 of the IC card 2 inserted into the case 7 is recorded in the IC chip 21, and the data recorded in the IC chip 21 is read out. An IC card interface means 4 for outputting; The IC card 2 which is converted from the digital data output from the IC card interface means 4 into analog MFM data and supplied to the magnetic interface 6 and transmitted from the head 11 of the PC 1 to be supplied. Control means (5) for converting input MFM data into digital signals and supplying the IC card interface (4) means; A magnetic interface mounted on the case 7 and facing the head 11 of the floppy disk driver 13 when the case 7 is inserted into the floppy disk driver 13 of the PC to transmit and receive data by the MFM protocol. 6); A head 11 mounted on the floppy disk driver 13 of the PC 1; IC card driving logic 12 which receives and processes data read from the IC card 2 input through the head 11 and transmits data to be recorded on the IC card to the magnetic interface 6 through the head 11. ); IC card data read / light device, characterized in that consisting of. The method of claim 1, An IC card data read / write device, characterized in that a power supply unit (3) is provided inside the case (7) for supplying power for driving the IC card interface means (4) and the control means (5). The method of claim 2, The power supply unit 3 includes a battery 31 for outputting a DC voltage of 3V, and a DC-DC converter 32 for converting the output voltage of the battery 31 into a 5V voltage and supplying the IC card interface means 4. IC card data lead / write device, characterized in that consisting of. The method according to claim 1 or 2, On the upper end of the case 7 is characterized in that the power switch 33 is formed when the case 7 is mounted on the floppy disk driver 13 so that the output voltage of the battery 31 is supplied to each component. IC card data read / write device. The method of claim 1, The IC card interface means 4 writes data to the IC chip 21 of the IC card 2 inserted into the case 7 or reads out the data recorded on the IC chip 21 to convert the level 42. Input / output unit 41 for outputting to the control unit and the level of data supplied from the input output unit 41 are converted to a level that can be recognized by the control unit 5 and supplied to the control unit 5, and the control unit An IC card data read / write device, characterized in that the level of data input from (5) is constituted by a level converting section (42) for converting the level into a level that can be recognized by the input / output section (41). The method of claim 1, The control means 5 includes a CPU 51 for controlling the data input from the IC card interface means 4 and the data supplied from (C1) to be correctly supplied to the IC chip 21 and the PC 1, respectively; The amplifier 51 which amplifies data input / output between the CPU 51 and the data converter 53 and the digital data to be supplied to the PC 1 are converted into analog MFM data and input from the magnetic interface 6. An IC card data read / write device, characterized in that it comprises a data converter (53) for converting MFM analog data into digital data that the CPU (51) can recognize.