Live print scanner with active holographic platen
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United States of America Patent
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N/A
Issued Date -
Feb 23, 2006
app pub date -
Aug 23, 2005
filing date -
Aug 23, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
This invention relates to the use of holographic optical elements in the design and application of biometric scanning instruments used typically for capturing biometric information such as fingerprints and handprints. Applications of holographic optical elements include providing several novel operational features involving display, annunciation, and control of biometric fingerprint and handprint scanning instruments. The holographic elements may be used to create an active platen. The active platen may be illuminated to project graphical displays on the platen such as time stamps, instructions to users, or feedback on print quality.
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