Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Patent
1989-04-14
1990-05-15
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controls its own optical systems
369 46, G01J 120
Patent
active
049260367
ABSTRACT:
A light detector for receiving and detecting a beam of light which includes a plurality of light-detecting areas, and a separating area for separating the light-detecting areas. A portion of the separating area outside an area in which the beam of light is applied has a width which is greater than the width of a portion of the separating area inside the area in which the beam of light is applied, thereby reducing the coupling capacity between light-detecting areas and allowing the light-detecting areas to be increased.
REFERENCES:
patent: 4392009 (1983-07-01), Napoli
patent: 4525826 (1985-06-01), Nakamura et al.
patent: 4810871 (1989-03-01), Opheij
patent: 4843603 (1989-06-01), Prikryl
Nelms David C.
Pioneer Electronic Corporation
Shami K.
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