Validation systems for credit card or the like

Details Validation systems for credit card or the like Validation systems for credit card or the like

1979-07-23

1983-07-05

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

235375, H04Q 900, G06K 900

Patent

active

RE0313025

ABSTRACT:
A credit card validation system employs apparatus which serves to decode validation information contained on the card by means selecting one of a plurality of translators selected at different intervals according to a predetermined format data also contained on the credit card. This uniquely translated information is compared with a secret subscriber number, memorized by the credit card holder, and obtained by him in complete privacy when his account is opened.

REFERENCES:
patent: 3588449 (1971-06-01), Paterson
patent: 3609690 (1971-09-01), Nissman
patent: 3624357 (1971-11-01), Wright
patent: 3665162 (1972-05-01), Yamamoto et al.
patent: 3702392 (1972-11-01), St. Jean
patent: 3740530 (1973-06-01), Hoffer et al.
patent: 3771128 (1973-11-01), Boardman
patent: 3794813 (1974-02-01), Spetz

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