Device for stabilizing photosensor output to varying temperature

Details Device for stabilizing photosensor output to varying temperature Device for stabilizing photosensor output to varying temperature

1985-07-26

1987-12-01

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

250214C, 323907, H01V 4014

Patent

active

047106220

ABSTRACT:
A device for stabilizing an output of a photosensor which uses a light-emitting element and a light-receiving element is disclosed. A resistor is connected in series with the light-emitting element to control a voltage across the series connection of the light-emitting element and resistor to a constant value. The output of the light-receiving element is stabilized against temperature variations without resorting to an extra light-receiving element for compensation.

REFERENCES:
patent: 3705316 (1972-12-01), Burrows et al.
patent: 4313083 (1982-01-01), Gilbert et al.
patent: 4315209 (1982-02-01), Schmook
patent: 4328419 (1982-05-01), Lefebvre

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