Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Patent
1995-06-07
1999-03-16
Le, N.
Incremental printing of symbolic information
Light or beam marking apparatus or processes
Scan of light
B41J 247, G01D 1534, G02B 2600, G02B 2700
Patent
active
058836594
ABSTRACT:
An image forming apparatus includes a light beam generator for generating a light beam, a rotational polygon mirror for scanning the light beam generated by the light beam generator across a member to be illuminated, a rotation detector for detecting whether or not the rotational polygon mirror rotates at a predetermined rotation number for an image formation, and a determining device for determining whether or not the rotational polygon mirror rotates at the predetermined rotation number stably in accordance with an output from the rotation detector.
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Patent Abstracts of Japan, Kokai No. 63-108852, vol. 12, No. 351, Sep. 1988 .
Serizawa Yoji
Ushio Yukihide
Anderson L.
Canon Kabushiki Kaisha
Le N.
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