Method and device for correcting a position for writing an image

Details Method and device for correcting a position for writing an image Method and device for correcting a position for writing an image

1997-03-04

1998-03-17

Frahm, Eric

Facsimile and static presentation processing

Facsimile

Recording apparatus

347116, 347234, 399 72, 399301, H04N 129, G01D 1506, G03G 1500

Patent

active

057293538

ABSTRACT:
In an image forming apparatus, a method of correcting a position for writing an image on a photoconductive element on the basis of a signal representative of a pattern formed on the element and detected, and a device therefor. A single photoconductive element is used to form a plurality of different colored images using a single rotating polygonal mirror and a plurality of light sources. The toner images can be sensed either while they are on the single photoconductive element or by sensing them through a transport belt.

REFERENCES:
patent: 4903067 (1990-02-01), Murayama et al.
patent: 5384592 (1995-01-01), Wong
patent: 5452073 (1995-09-01), Kataoka
patent: 5576753 (1996-11-01), Kataoka et al.

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