The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 02, 2002
Filed:
Feb. 12, 1999
Applicant:
Inventor:
Hiromasa Kanno, Niigata, JP;
Assignee:
NEC Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 2/772 ;
U.S. Cl.
CPC ...
G03B 2/772 ;
Abstract
An image forming apparatus providing precise image forming is disclosed. A timer is provided to measure a scan time required for a laser beam to move from a first end position to a second end position on a photosensitive belt, the frequency of the timing signal is adjusted depending on the scan time to keep a scan velocity of the laser beam with respect to the frequency of the timing signal at a predetermined constant pixel interval.