Photocoupler with light emitting and receiving elements coupled

Details Photocoupler with light emitting and receiving elements coupled Photocoupler with light emitting and receiving elements coupled

1986-03-14

1988-05-17

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Signal isolator

357 19, H01L 3112

Patent

active

047452943

ABSTRACT:
A photocoupler comprises a light-emitting element and a light-receiving element which are optically coupled through a soft light-transmissive resin and covered by a light-blocking resin. The light-emitting element is covered by a light-transmissive protective hard resin and hence is protected against external pressure.

REFERENCES:
patent: 4160308 (1979-07-01), Courtney et al.
patent: 4412135 (1983-10-01), Awaji
patent: 4418284 (1983-11-01), Ogawa et al.

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