Light or heat output stabilizing system

Details Light or heat output stabilizing system Light or heat output stabilizing system

1984-01-31

1985-09-17

Hartary, Joseph W.

Recorders

Thermal recording

250236, 346108, 358292, 369116, G01D 1514

Patent

active

045423881

ABSTRACT:
In an apparatus for recording an image by scanning a recording material with a light beam or a heat beam through rotation of a rotating body having at least one light source or heat source, the output of the light or heat source is controlled to obtain a sharp image free of scanning nonuniformity. A non-recording period on the recording material is detected by use of a combination of a light projector and a light receiver positioned in the rotating body with a light reflector secured near the rotating body, or a combination of a light receiver positioned in the rotating body with a light projector secured near the rotating body, or a combination of a magnetic sensor positioned in the rotating body with a magnet secured near the rotating body. The output of the light or heat source is stabilized by a stabilizing circuit within the detected non-recording period.

REFERENCES:
patent: 3678193 (1972-07-01), Yamamoto
patent: 4278982 (1981-07-01), Cholet
patent: 4375067 (1983-02-01), Kitamura
patent: 4416001 (1983-11-01), Ackerman
patent: 4479133 (1984-10-01), Shiozawa

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