Reflective decoders for use in decoding optically encoded...

Details Reflective decoders for use in decoding optically encoded... Reflective decoders for use in decoding optically encoded...

2009-01-28

2010-10-26

St. Cyr, Daniel (Department: 2876)

Registers

Coded record sensors

Particular sensor structure

C235S439000

Reexamination Certificate

active

07819324

ABSTRACT:
A reflective decoding device is provided for use in decoding an encoded image comprising a latent image encoded using at least one encoding parameter. The device comprises a substrate with a reflective surface portion having a surface topography comprising a predetermined pattern of topographical features. The predetermined pattern is configured with at least one geometric characteristic corresponding to the at least one encoding parameter so that placement of a light-transmissive sheet having the encoded image formed thereon over the predetermined pattern of topographical features allows the latent image to be viewed.

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patent: 2007/0110317 (2007-05-01), Davis et al.

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