Method and apparatus for card authentication using display of sy

Details Method and apparatus for card authentication using display of sy Method and apparatus for card authentication using display of sy

1979-06-25

1981-09-22

Cook, Daryl W.

Registers

Systems controlled by data bearing records

Credit or identification card systems

235382, G06K 500

Patent

active

042912229

ABSTRACT:
Methods and apparatus are provided through which, after insertion of a card into a card reader, a code word is presented which is made up of a certain number of signs or symbols. The user uses a pushbutton or other control to make selections of signs associated with the code word. If the correct signs are selected, an output is developed for control of an appropriate control function. The signs may be presented serially, in parallel or with a combination of serial and parallel presentations. Various means may be used for presentation of the code word and signs.

REFERENCES:
patent: 3581063 (1971-05-01), Levasseur
patent: 3702392 (1972-11-01), Jean
patent: 3863052 (1975-01-01), Brugger et al.
patent: 3985998 (1976-10-01), Crafton

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