Light source stabilizer with intensity and temperature control

Details Light source stabilizer with intensity and temperature control Light source stabilizer with intensity and temperature control

1984-02-02

1987-09-22

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

250238, G01U 132

Patent

active

046957146

ABSTRACT:
A light source stabilizer comprises a light emitting device, a heating element for heating the light emitting device, a temperature sensor for sensing a temperature of the light emitting device, a temperature control circuit for controlling the heating element by the output of the temperature sensor, a light intensity detector for detecting a light intensity of the light emitting device and a light intensity control circuit for controlling the light emitting device by the output of the light intensity detector.

REFERENCES:
patent: 3973852 (1976-08-01), Moore et al.
patent: 4019159 (1977-04-01), Hon et al.
patent: 4125777 (1978-11-01), O'Brien et al.
patent: 4201994 (1980-05-01), Hoshito et al.
patent: 4284884 (1981-08-01), Dyment et al.
patent: 4338577 (1982-07-01), Sato et al.
patent: 4375067 (1983-02-01), Kitamura
patent: 4387462 (1983-06-01), Markus
patent: 4417179 (1983-11-01), Fujimura et al.
patent: 4443695 (1984-04-01), Kitamura

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