Magnetic card reader system

Details Magnetic card reader system Magnetic card reader system

2011-08-16

2011-08-16

Lee, Seung H (Department: 2887)

Registers

Coded record sensors

Particular sensor structure

Reexamination Certificate

active

07997488

ABSTRACT:
There is provided a magnetic card reader system in which a magnetic head and a computer can determine mutual validity and unauthorized duplication of the magnetic card can be prevented. In a magnetic card reader system10, a computer13and a microprocessor perform authentication of each other and determine that a mutual authentication result obtained based on mutual authentication is valid, then the microprocessor encrypts a digital signal and transmits the encrypted digital signal to the computer13, and the computer13decodes the encrypted digital signal.

REFERENCES:
patent: 4642716 (1987-02-01), Wakabayashi et al.
patent: 4883949 (1989-11-01), Kokubo et al.
patent: 6434699 (2002-08-01), Jones et al.
patent: 2001-143213 (2001-05-01), None
patent: 3496022 (2003-11-01), None
patent: 2005-267031 (2005-09-01), None
patent: 2005267031 (2005-09-01), None
B. Schneier, “Applied Cryptography”, Second Edition, 1996, John Wiley & Sons, Inc., pp. 203-206.

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