Illumination control means for image forming apparatus

Details Illumination control means for image forming apparatus Illumination control means for image forming apparatus

1995-12-26

1999-03-02

Reinhart, Mark O.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

B41J 247

Patent

active

058777997

ABSTRACT:
The present invention provides an image forming apparatus comprising a photosensitive member, scan means including light emitting elements for emitting laser beam to scan the photosensitive member, and control means for controlling the illumination of the light emitting elements. Wherein, when a shifting speed of the laser beam on the photosensitive member is v, a length of one side of a pixel is L and a maximum light emitting time of the light emitting element for each pixel is t, the control means controls the light emitting elements to satisfy a relation of t<L/v.

REFERENCES:
patent: 4990763 (1991-02-01), Shinada
patent: 5017944 (1991-05-01), Kitamura et al.
patent: 5279277 (1994-01-01), Tomita
patent: 5341165 (1994-08-01), Suzuki et al.

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