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. 05, 2016
Filed:
Mar. 27, 2015
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Takaaki Doshida, Moriya, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/16 (2006.01); G03G 15/00 (2006.01); H02P 8/14 (2006.01); H02P 29/00 (2006.01); G03G 15/01 (2006.01);
U.S. Cl.
CPC ...
G03G 15/5008 (2013.01); G03G 15/0131 (2013.01); G03G 15/1605 (2013.01); H02P 8/14 (2013.01); H02P 29/0005 (2013.01);
Abstract
An image forming apparatus calculates a speed correction amount obtained by correcting a gain and a phase of a speed fluctuation component by a gain phase correction unit and a correction speed calculation unit so as to cancel this speed fluctuation component and controls a rotation speed of a rotator by using the calculated speed correction amount.