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:
Jan. 09, 2018
Filed:
Dec. 04, 2015
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Hisanori Kobayashi, Kawasaki, JP;
Tetsuya Nishiguchi, Tagata-gun, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 15/12 (2006.01); G03G 15/043 (2006.01); H04N 1/00 (2006.01); H04N 1/04 (2006.01); H04N 1/06 (2006.01); H04N 1/113 (2006.01); B41J 2/44 (2006.01);
U.S. Cl.
CPC ...
G06K 15/1219 (2013.01); B41J 2/44 (2013.01); G03G 15/043 (2013.01); H04N 1/00814 (2013.01); H04N 1/0461 (2013.01); H04N 1/06 (2013.01); H04N 1/113 (2013.01);
Abstract
The optical scanning device includes a storage unit configured to store information on a scanning time of laser light and an emitted position of the laser light in a sub-scanning direction, the laser light measured on a plane. A scanning time for forming one scanning line is set based on the information on the measured scanning time and the measured emitted position, which is stored in the storage unit, and a radius of a photosensitive drum. This allows a magnification error in a main scanning direction to be reduced with an inexpensive configuration while realizing downsizing of an apparatus.