Verification system for document substance and content

Details Verification system for document substance and content Verification system for document substance and content

G - Physics

07

F

352/52

G07F 7/08 (2006.01) G06K 19/08 (2006.01) G06K 19/14 (2006.01) G07F 7/12 (2006.01)

Patent

CA 1250366

VERIFICATION SYSTEM FOR DOCUMENT SUBSTANCE AND CONTENT Abstract of the Disclosure An authenticator device, e.g. card, of verifiable composition substance and informational content with a system of production and verification. Character uniqueness signals identifying the composition of the device are recorded on the card in an encrypted form combined with statistical data signals representative of information on the card. Testing the card involves freshly sensing the character uniquesness data and entering the statistical data. Such fresh data is then compared with the recorded values after decoding. Favorable comparisons manifest approval and enter the statistical data for processing.

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