Positioning means for optically couplable circuit elements

Details Positioning means for optically couplable circuit elements Positioning means for optically couplable circuit elements

1978-11-21

1981-05-05

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Signal isolator

357 19, G02B 2700

Patent

active

042661404

ABSTRACT:
Electrical circuitry includes at least a pair of thick-film conductor circuits on a substrate. A light responsive device, such as a light actuated controlled rectifier, is connected in one circuit and a light emitting element, such as a light emitting diode, is connected in the second circuit. The diode is positioned to optically couple the photo-sensitive area of a silicon controlled rectifier by a pair of arms cantilevered from spacers connected to the thick film conductors of the second circuit.

REFERENCES:
patent: 3845318 (1974-10-01), Thillays
patent: 4058821 (1977-11-01), Miyoshi et al.
patent: 4125777 (1978-11-01), O'Brien et al.
patent: 4156148 (1979-05-01), Kaufman

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