System for identifying authorized use of credit cards

Details System for identifying authorized use of credit cards System for identifying authorized use of credit cards

1991-03-25

1992-10-13

Trafton, David

Registers

Systems controlled by data bearing records

Credit or identification card systems

235448, 235487, 235495, 283 70, 283904, 902 5, G06K 500

Patent

active

RE0340960

ABSTRACT:
A credit card system for providing verification of authority of a credit card bearer to use the credit card for a credit transaction. Initial authorization of card use is given to the authorized user upon selection by the user of one of a set of supplemental characters appearing on the card as the authorized user's private identifier. Presentation of the card at a point of sale initiates a check of this private identifier against a supplemental character identified by the presenter of the card as his/her private identifier.

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Article entitled "Bank Cards, France Plays a Trump", taken from an advertising supplement appearing in Fortune International Magazine, vol. 117, No. 2, published Jan. 18, 1988.

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