Security document

Details Security document Security document

1997-10-27

2000-07-18

Pitts, Andrea L.

Printed matter

Banking

283 58, 283 89, 283 92, 283 95, B42D 1500

Patent

active

060896108

ABSTRACT:
A security system for a document utilizing a plurality of fluorescent snippets on the document with other encryption data printed thereon with visible and invisible ink that becomes bright when subjected to certain light. The system combines visible and invisible data that is encrypted, totaled and when subjected to a algorithm will match a selected component of said data.

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patent: 5509692 (1996-04-01), Oz
patent: 5594226 (1997-01-01), Steger
patent: 5750972 (1998-05-01), Botvin

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