Electronic circuit to replace a light emitting diode and a light

Details Electronic circuit to replace a light emitting diode and a light Electronic circuit to replace a light emitting diode and a light

1993-12-20

1995-01-10

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Signal isolator

327514, H03K 342, G02B 2700

Patent

active

053810180

ABSTRACT:
A variable impedance circuit in which an optoisolator transistor is controlled by an input light emitting diode to turn on a series of high voltage MOSFETs for use in applications currently using light emitting diode controlled with a light dependent resistor.

REFERENCES:
patent: 4357544 (1982-11-01), May et al.
patent: 4682061 (1987-07-01), Donovan
patent: 4766471 (1988-08-01), Ovshinsky et al.

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