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:
Nov. 04, 2008
Filed:
Nov. 10, 2005
Applicant:
Kazuyuki Iwamoto, Kashiwa, JP;
Inventor:
Kazuyuki Iwamoto, Kashiwa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The optical path of scanning light Ereaching the photosensitive drumclosest to the installation plane S of a plurality of photosensitive drums, andis provided at the photosensitive drum side with respect to the optical path of scanning light Edeflected and scanned on the same side as the side of polygon mirrorfor deflecting and scanning the laser beam, from the polygon mirrorto folding mirrorsThe invention presents a technology capable of equalizing the length of optical paths if the regulation of optical unit in height direction is different at both sides of the rotary polyhedral mirror.