Incremental printing of symbolic information – Electric marking apparatus or processes – Electrostatic
Patent
1997-04-23
2000-11-21
Barlow, John
Incremental printing of symbolic information
Electric marking apparatus or processes
Electrostatic
B41J 2385, G03G 1501, G01D 1506
Patent
active
06151053&
ABSTRACT:
It is provided an image formation apparatus which forms a color image by superimposing an image corresponding to each of plural-color image data on an image support body, comprises a light beam generation means for generating a light beam which has been modulated according to each-color image data included in the plural-color image data, a rotation polygon mirror for performing scanning on a photosensitive body by using the light beam, a position signal generation means for outputting a position signal representing a scanning position on the photosensitive body, in case of performing the scanning on the photosensitive body by using the light beam corresponding to first-color image data included in the plural-color image data, and a control means for controlling rotation driving of the rotation polygon mirror corresponding to second and subsequent colors, in response to the position signal. Therefore, it can be obtained a new method for superimposing plural-color plane images without aberration in position, in case of forming a color image by superimposing the plural-color plane images on the image support body such as the photosensitive body, an intermediate transfer body, a recording paper on a transfer body or the like.
REFERENCES:
patent: 5264870 (1993-11-01), Egawa
patent: 5634171 (1997-05-01), Muto
patent: 5638191 (1997-06-01), Torisawa et al.
Arimoto Shinobu
Hombo Tsunao
Noguchi Junichi
Watanabe Nobuyuki
Barlow John
Canon Kabushiki Kaisha
Gordon Raquel Yvette
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