Optical waveguides – Optical waveguide sensor
Reexamination Certificate
2007-09-25
2007-09-25
Healy, Brian M. (Department: 2883)
Optical waveguides
Optical waveguide sensor
C385S014000, C385S031000, C385S036000, C385S129000, C385S088000, C385S092000, C382S124000, C382S126000, C382S127000, C250S556000, C356S071000
Reexamination Certificate
active
11470626
ABSTRACT:
An optical module using a linear sensor for identifying images includes a circuit board, a linear sensor installed on the circuit board, a light source set installed on the circuit board, and an optical element. The optical element includes a first plane, a second plane paralleling the first plane, wherein a distance between the second plane and the circuit board is shorter than a distance between the first plane and the circuit board, a first total reflection plane between the first plane and the second plane, for totally reflecting light provided by the light source set, and a second total reflection plane between the first plane and the second plane, for totally reflecting reflected light of the first total reflection plane to the linear sensor.
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patent: 2004/0179722 (2004-09-01), Moritoki et al.
Healy Brian M.
Hsu Winston
PixArt Imaging Inc.
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