System and method for authenticating an article

Details System and method for authenticating an article System and method for authenticating an article

2005-12-27

2005-12-27

Barron, Gilberto (Department: 2132)

Cryptography

Video cryptography

Video electric signal modification

C713S176000, C380S051000, C380S054000, C380S055000, C380S059000

Reexamination Certificate

active

06980654

ABSTRACT:
A method of applying an authentication image to an article is presented. The method comprises obtaining a digitized version of the authentication image, encoding the digitized version of the authentication image to produce an encoded latent image, and printing the encoded latent image on a printable surface of the article using a transmittent printing medium.

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