Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Reexamination Certificate
2007-05-01
2007-05-01
Pyo, Kevin (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
C250S227110, C385S137000
Reexamination Certificate
active
11078333
ABSTRACT:
A photo-detection device comprising a base plate made of an insulation material and having a plurality of through holes formed in the base plate at a substantially equal distance, a plurality of optical fibers each having one end including a light receiving section from an object to be detected inserted and fixed to the respective through holes and another end provided with a light output section, and a light detection section connected to the light output section.
REFERENCES:
patent: 4508461 (1985-04-01), Lambert
patent: 2003/0174944 (2003-09-01), Dannoux et al.
patent: 5-293779 (1993-11-01), None
patent: 7-360 (1995-01-01), None
patent: 2002-206968 (2002-07-01), None
Kabushiki Kaisha Toshiba
Pyo Kevin
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