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:
Sep. 07, 2010
Filed:
Jul. 09, 2008
Applicant:
Mitsuhiro Ota, Toride, JP;
Inventor:
Mitsuhiro Ota, Toride, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An image forming apparatus includes a toner image forming device configured to form a toner image on an image conveying member, a detector configured to optically detect a density of the toner image on the image conveying member, a controller configured to control an image forming condition of the toner image forming device based on an output of the detector, a shutter configured to open and close an optical window of the detector, wherein the image forming apparatus is operable in a cleaning mode of the shutter in which an opening and closing movement of the shutter is repeatedly executed.