Media verification system

Details Media verification system Media verification system

2006-07-18

2006-07-18

Stcyr, Daniel (Department: 2876)

Registers

Records

Conductive

C235S493000, C235S494000

Reexamination Certificate

active

07077332

ABSTRACT:
A unique conductivity pattern is applied to printable articles to provide a “signature” for later verifying the authenticity of the printable articles. Preferably, the conductivity pattern is hidden from sight and differs from other conductivity patterns applied to other printable articles in an effectively random manner. Capacitive sensors read the conductivity patterns, and the resulting data for recording the signatures reflects not only details of the conductivity patterns themselves but also the characteristics of the capacitive sensors and their use.

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