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:
Jul. 08, 2014
Filed:
Aug. 30, 2012
Akihiro Shimizu, Tokyo, JP;
Keitaro Taoka, Tokyo, JP;
Akihiro Shimizu, Tokyo, JP;
Keitaro Taoka, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A belt driving apparatus includes: an endless belt having a stepped region at its edge; a driving member for driving the endless belt; a moving member for moving the endless belt in a widthwise direction; a mark provided at a part of the endless belt with respect to a circumferential direction and located at a position corresponding to the stepped region of the endless belt with respect to a rotational direction; a mark detecting member for detecting the mark during rotation of the endless belt; an edge position detecting member for detecting a widthwise position of at least one of edges of the endless belt during rotation; and a controller for controlling, after the mark detecting member detects the mark, the moving member on the basis of a detection result of the edge other than the stepped region of the endless belt.