Positive identification system for authenticating the identity o

Details Positive identification system for authenticating the identity o Positive identification system for authenticating the identity o

1978-10-27

1980-10-07

Kilgore, Robert M.

Registers

Systems controlled by data bearing records

Credit or identification card systems

35 9B, 200 46, 235441, G06K 706, G09B 300, H01H 4308, G06K 500

Patent

active

042263611

ABSTRACT:
A system for providing a low cost means for deterring the fraudulent use of lost or stolen credit cards, checks, or other instruments. The system employs low cost means for encoding documents, and a device for determining whether the document user has been issued a secret code corresponding encoding on the document. The device uses manually operated entering means thereby eliminating the need for large and costly document reading means. Further, the device is comprised of hidden switching pairs and is constructed so that the relationship between the switching pairs and the entering means is destroyed if the device is tampered with.

REFERENCES:
patent: 2175944 (1939-10-01), McGrath
patent: 3089255 (1963-05-01), Thompson
patent: 3430200 (1969-02-01), Barney
patent: 3514754 (1970-05-01), Schwend
patent: 3643064 (1972-02-01), Hudson
patent: 3809784 (1974-05-01), Munafo
patent: 4032931 (1977-06-01), Haker

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