Credit card security system

Details Credit card security system Credit card security system

1984-03-09

1986-12-09

Trafton, David L.

Registers

Coded record sensors

Particular sensor structure

235448, 235474, G06K 700

Patent

active

046281959

ABSTRACT:
A credit card security system includes a system to generate a security code number determined by the spatial positions of corresponding data in two different forms of encoded data on the card. The system generates the security code number each time a card is used and compares it to a stored security number generated in the same way when the card was first encoded or previously used. The system is described in terms of a card having a familiar magnetic stripe and embossed character encoding, and apparatus for sensing the embossed characters is disclosed.

REFERENCES:
patent: 3671720 (1972-06-01), White et al.
patent: 3854661 (1974-12-01), Weber et al.
patent: 4013894 (1977-03-01), Foote et al.
patent: 4029944 (1977-06-01), Trenkamp
patent: 4041279 (1977-08-01), Foote

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