Light sensitive detection circuit

Details Light sensitive detection circuit Light sensitive detection circuit

1978-05-17

1981-04-07

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

250214RC, 250221, G01J 132

Patent

active

042608821

ABSTRACT:
Detection circuit for objects has a light source located to illuminate a plurality of light sensitive electrical elements. The light sensitive elements are of the type to alter their electrical characteristics when illuminated and are connected in series in an electrical circuit. Means are provided for detecting the rate of change of one of the current flow through or the voltage across the series circuit and for producing an output varying as said rate of change.

REFERENCES:
patent: 3066226 (1962-11-01), Lindstrom
patent: 3473037 (1969-10-01), Schmermund
patent: 3517167 (1970-06-01), Bell
patent: 3612884 (1971-10-01), Linardos et al.
patent: 3742222 (1973-06-01), Endl
patent: 3858043 (1974-12-01), Sick et al.
patent: 3946224 (1976-03-01), Allera et al.
patent: 4032777 (1977-06-01), McCaleb

Affiliated with

Also associated with

Rating

Light sensitive detection circuit does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Light sensitive detection circuit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Light sensitive detection circuit will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-290904