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. 13, 2012
Filed:
May. 20, 2010
Applicants:
Hiroki Murata, Mishima, JP;
Toshifumi Kitamura, Numazu, JP;
Inventors:
Hiroki Murata, Mishima, JP;
Toshifumi Kitamura, Numazu, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Process cartridges are driven by respectively corresponding DC brushless motors. In a cleaning sequence executed after image formation ends, the DC brushless motors operate according to the driving parameters such that acoustic operational noise decreases.