Circuit for determining power of received light having superimpo

Details Circuit for determining power of received light having superimpo Circuit for determining power of received light having superimpo

1989-09-15

1991-04-02

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

455619, H01J 4014

Patent

active

050049070

ABSTRACT:
A circuit for providing a signal representing light power received by a photodiode of an optical receiver having control means for controlling the bias voltage of the photodiode, wherein a constant amplitude low frequency current signal is superimposed on the photoelectric current of the photodiode, the resulting low frequency voltage signal being rectified and made available at an output terminal.

REFERENCES:
patent: 2862109 (1958-11-01), Kruper
patent: 4236069 (1980-11-01), Laughlin
patent: 4399565 (1983-08-01), Jarret et al.
patent: 4805236 (1989-02-01), Urala
patent: 4870369 (1989-09-01), Bartenstein et al.

Affiliated with

Also associated with

Rating

Circuit for determining power of received light having superimpo does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Circuit for determining power of received light having superimpo, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Circuit for determining power of received light having superimpo will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-328146