JPH05143795A - Security system for prepaid card - Google Patents

Abstract

PURPOSE:To obtain the security system consolidating the security processing system by providing the secrecy to the security processing of the prepaid card. CONSTITUTION:The magnetic data recorded on a magnetic information track 2 of a prepaid card 1 is read and written by a card machine. A security track 3 isolated from the magnetic information track 2 is provided on the prepaid card 1, and the security data read from the security track 3 is individually processed by a security data decoding unit provided on the card machine. The card processing is performed by the decoding output, and the secrecy can be maintained.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a security system for prepaid cards.

[0002]

2. Description of the Related Art The current prepaid card security system employs a security processing method independently constructed by each manufacturer who manufactures the card. Can not be used if the security processing method of is different,
As a result, many prepaid cards of the same type are on the market.

Therefore, it is required to integrate the above security processing methods. For example, if the security processing system of the company B can be incorporated into the prepaid card system of the company A, the prepaid cards of both companies A and B can be integrated.

[0006] However, since the above-mentioned integration simultaneously exposes technologies related to security processing methods of manufacturers, there is a problem that the security of prepaid cards is adversely affected.

[0005]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a security system capable of integrating security processing methods by providing security for security processing of prepaid cards.

[0006]

According to the present invention, magnetic data recorded on a magnetic information track of a prepaid card is read and written by a card handling machine, and the prepaid card is independent of the magnetic information track. Is a security system for prepaid cards in which security data read from the security track is independently processed by a security data decoding unit provided in the card handling machine, and the card is processed by the decoding output. It is characterized by

[0007]

According to the above security system, the decryption processing of the prepaid card is independently performed in the security data decryption unit in the card handling machine.

[0008]

As a result, the security data decoding unit described above becomes a black box, and the confidentiality of the method of reading the security data from the prepaid card and the confidentiality of the security punch hole reading method are maintained. Even if the box-shaped security reading / decoding unit is supplied by another company, the security is not impaired. Therefore, the prepaid card system of another company can be incorporated, and the prepaid card can be handled by the card handling machine of any company.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings. FIG. 1 shows a prepaid card 1 used in a security system for a prepaid card according to the present invention. The prepaid card 1 is provided with a magnetic information track 2 and a security track 3 separately from the magnetic information track 2.
Punch holes P are formed in the punching area of the security track 3 in the card handling machine described below.

FIG. 2 is an internal block diagram of a card handling machine used in the security system of the present invention, in which a card transport path 6 is formed from the card insertion port 4 at the left end to the card collection box 5 at the right end. The card carrying path 6 includes pulleys 7a and 7b arranged above the path, and a belt 7c wound around the pulleys 7a and 7b.
And a lower belt conveyor composed of a pulley 8a, 8b arranged at the lower part of the path and a belt 8c wound around these pulleys 8a, 8b. The upper and lower belt conveyors are driven by the rotation of the motor 9, and the prepaid card 1 inserted according to the driving direction moves in the transport path 6.

Further, along the above-mentioned card transport path 6,
A magnetic encode read head 10, a magnetic encode write head 11, and a card punch hole driving solenoid 12 are arranged in this order from the card insertion port 4 side to the card collection box 5, and the card insertion detection sensor 1 is installed in the card insertion port 4.
3, a write timing detection sensor 14 near the magnetic encode write head 11, and a drive timing detection sensor 15 at the position of the card punch hole drive solenoid 12.
Further, immediately before the card collection box 5 described above, a card collection detection sensor 16 is provided at the end position of the transport path 6.

Further, a security data decoding unit 17 for exclusively processing the security track 3 in the prepaid card 1 described above is provided, and the security data is inputted to the unit 17 from the magnetic encoding read head 10 described above. There is. The security data includes card issue amount frequency data, card issuing institution code data, card security code data, and the like.

FIG. 3 shows a control circuit in the security system of the present invention.
The above-mentioned sensors 13 to 16, the card punch hole driving solenoid 12, and the forward / reverse rotation motor 9 are connected to each other via the magnetic encoding read head 10 and the magnetic encode write head 11 via the magnetic encode read / write control circuit 20. Further, the security data decoding unit 17 is connected via the interface 21.

Further, in this control circuit, the CPU 1
8 is RO based on the signals of the above-mentioned sensors 13 to 16
The card transport path 6 is driven and controlled in accordance with the program stored in M22, and the magnetic encode read / write control circuit 20 reads the magnetic data and the security data from the magnetic information track 2 and the security track 3 of the prepaid card 1 to read the security data. The security data decryption unit 17 causes the decryption.

Further, the CPU 18 judges the decrypted security data, and when the judgment result is correct, the magnetic encode write head 11 writes new magnetic data and security data in the respective tracks 2 and 3 and punches holes. A signal is output to drive the card punch hole driving solenoid 12 to open the punch hole P in the prepaid card 1. Then, a series of these processes is RA
Recorded in M23.

The operation of the security system thus configured will be described with reference to the flowcharts of FIGS. 4A and 4B. When the insertion of the prepaid card 1 is detected by the card insertion detection sensor 13, the CPU 18 drives the forward / reverse rotation motor 9 to take the prepaid card 1 into the card transport path 6 (steps n1 and n2).

The magnetic encode read head 10 reads the magnetic encode data and security data, the position of the security punch hole, and the security data decoding unit 17 decodes the security data of the prepaid card 1. The decryption result is sent to the CPU 18 (steps n3, n4, n5 and n6).

Next, the CPU 18 determines from the decrypted data whether the data is security data or punched hole data,
When the determination result is OK, the card information is exchanged with the host computer, and the amount of money of the prepaid card 1 is subtracted (steps n7, n8, n).
9).

When the prepaid card 1 reaches the position detected by the solenoid drive timing sensor 15, the forward / reverse rotation motor 9 is controlled so that the prepaid card 1 is in a fixed position with respect to the card punch hole drive solenoid 12. The prepaid card 1 is conveyed, and thereafter the prepaid card 1 is perforated by the card punch hole driving solenoid 12 (steps n10, n11, n12).

Next, the forward / reverse rotation motor 9 is rotated in the reverse direction to convey the magnetic card 1 to the card slot 4 side, and a new magnetic field is generated by the magnetic encode write head 11 based on the card detection signal from the card magnetic write timing sensor 14. The encoded data is written in the magnetic information track 2, the new magnetic security data is written in the security track 3, and the magnetic encoded data and the punched hole position are read next.
(Steps n13, n14, n15).

Then, the read punch hole position and the magnetic encode data are determined, and when the determination result is OK, the prepaid card 1 is sent to the position detected by the card insertion detection sensor 13, the motor 9 is stopped, and the processing is executed. End (steps n16, n17, n18, n1
9).

On the other hand, in steps n7 and n8, the NG signal for security data judgment and the NG for punch hole judgment are given.
When a signal is output, further steps n16 and n17
Prepaid card 1
After the card data is transmitted to the host computer with the card feeding stopped, the forward / reverse rotation motor 9 is driven to feed the prepaid card 1 into the card collection box 5, and the card collection detection sensor 16 detects the feeding. By doing so, the motor 9 is stopped, and the process ends (steps n20, n21, n22, n23, n19).

In summary, the present invention is a prepaid card 1
The security track 3 is independent, and in the card handling machine, the security data decoding unit 17 for independently decoding the security track 3 is provided in the form of a black box. Therefore, the confidentiality of the security data and punch hole reading processing method is maintained. For example, the security system of the prepaid card system of the company A can be adopted by the company B. Therefore, by integrating the security system, it becomes possible to realize a prepaid card that can be shared by card handling machines of any company.

[Brief description of drawings]

FIG. 1 is a plan view of a prepaid card used in a security system for a prepaid card according to the present invention.

FIG. 2 is a block diagram of a card handling machine used in the security system of the present invention.

FIG. 3 is a control circuit diagram in the security system of the present invention.

FIG. 4A is a flowchart of processing operations in the security system of the present invention.

FIG. 4B is a flowchart of processing operations in the security system of the present invention.

[Explanation of symbols]

 1 ... Prepaid Card 2 ... Magnetic Information Track 3 ... Security Track 10 ... Magnetic Encode Read Head 11 ... Magnetic Encode Write Head 17 ... Security Data Decoding Unit 18 ... CPU

Claims (1)

[Claims] 1. A magnetic recording medium for reading and writing magnetic data recorded on a magnetic information track of a prepaid card with a card handling machine, wherein the prepaid card is provided with a security track which is independent of the magnetic information track. A prepaid card security system in which security data read from a security track is independently processed by a security data decoding unit provided in the card handling machine, and the card is processed by the decoding output.