Method for comparing and verifying security codes at point of sa

Details Method for comparing and verifying security codes at point of sa Method for comparing and verifying security codes at point of sa

1994-08-25

1995-05-16

Hajec, Donald

Registers

Systems controlled by data bearing records

Credit or identification card systems

902 5, G06K 500

Patent

active

054163064

ABSTRACT:
The present invention provides a method to prevent a fraudulent use of a credit card, a security pass card and the like. A computer system containing card account numbers is provided with corresponding security codes. For authorization of credit issuance or a security check, a computer operator feeds the account number to the computer which in turn displays the corresponding security code on a terminal display. The operator verifies that the card bearer has the same security code, thereby verifying that the card bearer is the true card holder.

REFERENCES:
patent: 4782217 (1988-11-01), Soza
patent: 4868900 (1989-09-01), McGuire

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