Method and system for the detection of counterfeit credit or deb

Details Method and system for the detection of counterfeit credit or deb Method and system for the detection of counterfeit credit or deb

1994-04-11

1996-05-28

Voeltz, Emanuel T.

Boots, shoes, and leggings

34082534, 340691, 235488, 235380, G07D 700, G01R 1925, G06K 19067

Patent

active

055218318

ABSTRACT:
The present invention provides a method of authenticating objects, comprising embedding a unique plurality of randomly-located, irregularly shaped, non-interconnected, electrically conductive regions within the surface of said object to thereby provide a unique electrically readable signature correlated to the genuine document; providing a unique identifier on the object; providing means for electrically reading said unique signature and digitally storing the signature in connection with the unique identifier for that object, and when an object is to be authenticated, obtaining a digitized record of the signature and comparing it to the stored signature.

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patent: 4527051 (1985-07-01), Stenzel
patent: 4532419 (1985-07-01), Takeda
patent: 4650978 (1987-03-01), Hudson et al.
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patent: 4889980 (1989-12-01), Hara et al.
patent: 4900904 (1990-02-01), Wright et al.
patent: 4918631 (1990-04-01), Hara et al.

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