Secure identification system

Details Secure identification system Secure identification system

1988-12-19

1991-01-08

Rosenberger, Richard A.

Optics: measuring and testing

Document pattern analysis or verification

382 4, G06K 920

Patent

active

049830368

ABSTRACT:
An identification system including an exemplar fingerprint on an identification card which is to be compared using autocorrelation with a fingerprint of the presenter of the card. Additionally, waveforms generated during the autocorrelation step are compared with similar waveforms taken at the time the card is issued and recorded in a read only memory within the card. This latter comparison assures that the exemplar has not been tampered with.

REFERENCES:
patent: 2964641 (1960-12-01), Selgin
patent: 4414684 (1983-11-01), Blonder
patent: 4690554 (1987-09-01), Froelich

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