Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Patent
1995-01-26
2000-06-27
Barlow, John
Incremental printing of symbolic information
Light or beam marking apparatus or processes
Scan of light
B41J 247, B41J 4435, G02B 2602, G02B 2772
Patent
active
060812893
ABSTRACT:
A method of controlling the intensity of scanning light in a color image forming apparatus in which a photosensitive member is scanned with light modulated according to an image signal, comprises: a first step of turning on a light source of scanning light in order to illuminate at least the whole of one main scanning line before image formation based on the first color component, and controlling the light source according to the intensity of scanning light; a second step of controlling the light source according to the intensity of scanning light during scanning of a non-image scanning area before the image formation based on the first color component and after the intensity control of the first step; and a third step of controlling the light source according to the intensity of scanning light during scanning of a non-image scanning area between two cycles of image formation based on a color component.
REFERENCES:
patent: 4087672 (1978-05-01), Yi
patent: 4746987 (1988-05-01), Traino et al.
patent: 5043745 (1991-08-01), Inoue et al.
patent: 5059987 (1991-10-01), Takeyama et al.
patent: 5087928 (1992-02-01), Okino
Ogasawara Yoshimi
Sakaki Eihiro
Barlow John
Canon Kabushiki Kaisha
Gordon Raquel Yvette
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