Solid state optically coupled electrical power switch

Details Solid state optically coupled electrical power switch Solid state optically coupled electrical power switch

1980-09-12

1983-06-28

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Signal isolator

307311, G02B 2700

Patent

active

043907903

ABSTRACT:
Solid state optically coupled power switch with light induced or modified voltage applied or removed at one or more MOSFET gate and source electrode pairs to shift each MOSFET between its high and low impedance states and in various circuit arrays for ac or dc switching and/or cross points switching or mechanical Form C relay substitution or other purposes.

REFERENCES:
patent: 3321631 (1967-05-01), Biard et al.
patent: 3524986 (1970-08-01), Harnden
patent: 4227098 (1980-10-01), Brown et al.
patent: 4303831 (1981-12-01), El Hamamsy
patent: 4307298 (1981-12-01), El Hamamsy et al.

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