Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1985-12-11
1987-09-29
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
250216, H01J 4014
Patent
active
046970746
ABSTRACT:
A photodetector comprising a photocell assembly including a substrate and at least one photocell formed on the substrate and having a light receiving face. The photocell assembly is completely embedded in a transparent resin molded body which has a light receiving surface defined therein so as to permit an incoming light incident thereupon to travel direct to the light receiving face of the photocell. The light receiving surface is roughened, recessed, raised, or inclined.
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patent: 3859536 (1975-01-01), Thiel
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patent: 4237382 (1980-12-01), Thillays
Hama Ritsuo
Ito Kazuo
Kudo Toshiyuki
Allen S.
Nelms David C.
Sanyo Electric Co,. Ltd.
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