Hologram methods for signature security, consolidated...

Details Hologram methods for signature security, consolidated... Hologram methods for signature security, consolidated...

2005-12-07

2010-06-15

Allen, Stephone B (Department: 2872)

Optical: systems and elements

Holographic system or element

Authentication

C359S900000

Reexamination Certificate

active

07738150

ABSTRACT:
Techniques for identifying encoded digital data in a multichannel hologram are described. A method can include steps of reading a first channel of a multichannel hologram, extracting first content data stored in the first channel, reading a second channel of the multichannel hologram, extracting second content data stored in the second channel, and utilizing the extracted content data. The extracted content data may be used for digital signature recognition. A system can include a multichannel hologram configured to store first, second, and third content data at first, second, and third channels respectively, at least one optical sensor configured to read the first, second, and third channels of the multichannel hologram and extract the first, second, and third content data, and a processor configured to measure an acceleration when the system is acted upon by a force.

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