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:
Aug. 14, 2012
Filed:
Dec. 14, 2009
Jiro Shirakata, Chigasaki, JP;
Yoritsugu Maeda, Moriya, JP;
Satoshi Atarashi, Toride, JP;
Yukihiro Fujiwara, Toride, JP;
Dai Kanai, Abiko, JP;
Jun Nakagaki, Abiko, JP;
Jun Nakazato, Kashiwa, JP;
Jiro Shirakata, Chigasaki, JP;
Yoritsugu Maeda, Moriya, JP;
Satoshi Atarashi, Toride, JP;
Yukihiro Fujiwara, Toride, JP;
Dai Kanai, Abiko, JP;
Jun Nakagaki, Abiko, JP;
Jun Nakazato, Kashiwa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image-forming apparatus includes an image-bearing member configured to bear an image, a transfer belt to which the image on the image-bearing member is transferred and configured to transfer the image onto a sheet, a first drive unit configured to drive the image-bearing member to rotate, a second drive unit configured to drive the transfer belt to rotate via a speed reduction member interposed therebetween, a detection unit configured to detect a circumferential speed of the transfer belt, and a control unit configured to control the first drive unit in accordance with the circumferential speed of the transfer belt detected by the detection unit.