Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Reexamination Certificate
2007-05-02
2009-10-20
Pyo, Kevin (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
C250S226000, C250S214100, C348S273000
Reexamination Certificate
active
07605354
ABSTRACT:
A color sensor of the present invention is arranged such that (i) an interference filter is provided directly above light receiving elements so as to transmit incoming light having a predetermined wavelength of the incoming light, and color filters are provided directly on the interference filter, or (ii) the color filters are provided directly above the light receiving element, and the interference filter is provided directly on the color filters so as to transmit incoming light having a predetermined wavelength of the incoming light.
REFERENCES:
patent: 2005/0205765 (2005-09-01), Tan et al.
patent: 2005/0258501 (2005-11-01), Natsuaki et al.
patent: 2007/0018264 (2007-01-01), Rhodes et al.
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patent: 2000-223734 (2000-08-01), None
patent: 2004-87979 (2004-03-01), None
patent: 2005-294825 (2005-10-01), None
Birch & Stewart Kolasch & Birch, LLP
Pyo Kevin
Sharp Kabushiki Kaisha
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