Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Patent
1997-04-18
2000-04-11
Le, N.
Incremental printing of symbolic information
Light or beam marking apparatus or processes
Scan of light
347232, 347140, B41J 247
Patent
active
06049350&
ABSTRACT:
A tandem type multi-color image forming apparatus capable of outputting a multi-color image can improve output speed of a monochrome or limited color image output. The image forming apparatus includes a single laser beam source, a plurality of image forming units, and a single polygon body. The polygon body is provided with the plurality of reflector surfaces respectively corresponded to the plurality of image forming units. The apparatus also includes an optical path selecting optical system movable into optical paths of the laser beam reflected from the rotary polygon body for deflecting the laser beam reflected from the rotary polygon body toward selected limited number of image forming units and a control portion for varying operation speed of the selected limited number of image forming units.
REFERENCES:
patent: 5818506 (1998-10-01), Yamaguchi et al.
Le N.
NEC Corporation
Nguyen Lamson D.
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