Registers – Systems controlled by data bearing records – Credit or identification card systems
Reexamination Certificate
2008-03-25
2008-03-25
Le, Uyen-Chau N (Department: 2876)
Registers
Systems controlled by data bearing records
Credit or identification card systems
C382S115000, C382S191000
Reexamination Certificate
active
11015732
ABSTRACT:
Methods and systems are provided for combining total-internal-reflectance and tissue imaging to perform biometric functions. The system may include an illumination source, a platen, a light detector, an optical train, and a computational unit. The platen is disposed to make contact with a skin site of an individual. The optical train is disposed to provide optical paths between the illumination source and the platen, and between the platen and the light detector. The combination of the illumination source and optical train provides illumination to the platen under multispectral conditions. The computational unit is interfaced with the light detector and has instructions to generate a total-internal-reflectance image of the skin site from a first portion of light received from the skin site, and to generate a tissue image of the skin site from a second portion of light received from the skin site.
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Le Uyen-Chau N
Lumidigm, Inc.
Townsend and Townsend / and Crew LLP
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