Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1983-11-18
1986-05-13
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
250551, H01J 4014
Patent
active
045888965
ABSTRACT:
A bistable circuit having a monolithic device with first and second optically isolated stages is disclosed. Each stage has a light emitting diode and a corresponding detector. Subsurface light from each diode provides optical feedback through the device to its corresponding detector.
REFERENCES:
patent: 3818451 (1974-06-01), Coleman
patent: 3842259 (1974-10-01), Bruning
Eastman Kodak Company
Gatto James
Nelms David C.
Owens Raymond L.
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