Radiant energy – Photocells; circuits and apparatus – Signal isolator
Patent
1977-01-21
1979-04-10
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Signal isolator
357 19, G02B 2700
Patent
active
041490886
ABSTRACT:
Improvements are provided in electro-optical circuits and techniques for manufacturing same. Circuits are formed by depositing or otherwise providing strips or layers of light conducting material on a substrate and forming circuits thereof with electrical elements such as light emitting and light sensitive electrical devices which are formed thereon or otherwise provided in optical coupling relationship with the light conducting material.
REFERENCES:
patent: 4005312 (1977-01-01), Lemelson
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