Semiconductor light source device in image output device

Details Semiconductor light source device in image output device Semiconductor light source device in image output device

1985-06-13

1987-06-09

DeMeo, Palmer C.

Electric lamp and discharge devices

With temperature modifier

Electric heater

313500, 346108, H05B 3302

Patent

active

046722580

ABSTRACT:
As the amount of light from the semiconductor light source varies depending on the temperature, the amount of exposure varies correspondingly, resulting in a grave defect that the color of the finished image will become uneven in density, tone, etc. According to the present invention, there is provided a semiconductor light source device in an image output device which outputs images by scanning with semiconductor light sources, and which is characterized in that a head block which carries the semiconductor light sources is provided with a temperature sensor and a heater so that the semiconductor light sources can be controlled so as to be kept at a constant temperature.

REFERENCES:
patent: 3438057 (1969-04-01), Neitzel
patent: 4039890 (1977-08-01), Bailey et al.
patent: 4432635 (1984-02-01), Mayer
patent: 4542388 (1985-09-01), Harada

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