Image forming apparatus and method of controlling same

Details Image forming apparatus and method of controlling same Image forming apparatus and method of controlling same

2006-02-10

2009-06-02

Tran, Huan H (Department: 2861)

Incremental printing of symbolic information

Light or beam marking apparatus or processes

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Reexamination Certificate

active

07542064

ABSTRACT:
Whether an image to be formed has a prescribed M×N pixel pattern is determined by a comparator. If it is determined that the image has the prescribed M×N pixel pattern, then a light-quantity correction signal that is for reducing the current that flows through a semiconductor laser is output to a laser driving circuit when the laser emits a laser beam of a pixel of interest contained in the M×N pixel pattern.

REFERENCES:
patent: 4847641 (1989-07-01), Tung
patent: 5210545 (1993-05-01), Tomita
patent: 5818502 (1998-10-01), Horie
patent: 6233000 (2001-05-01), Obata et al.
patent: 8-238797 (1996-09-01), None
patent: 2695955 (1997-09-01), None

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