Optical receiver with electrically variable attenuator

Details Optical receiver with electrically variable attenuator Optical receiver with electrically variable attenuator

1985-04-30

1987-02-17

LaRoche, Eugene R.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

250227, G01J 120, H01J 516

Patent

active

046441450

ABSTRACT:
An optical receiver which consists of an optical attenuator, an optical-to-electrical transducer, an amplifier, and an automatic level control circuit. The optical attenuator is an electrooptical modulator which is electrically controlled by the automatic level control circuit.

REFERENCES:
patent: 3651324 (1972-03-01), Carter et al.
patent: 3770965 (1973-11-01), Edwards et al.
patent: 3982124 (1976-09-01), Schoon
patent: 4540952 (1985-09-01), Williams

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