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. 20, 2011
Filed:
Aug. 03, 2007
Toshifumi Itabashi, Toride, JP;
Yusuke Imai, Toride, JP;
Kiyoshi Oyama, Tokyo, JP;
Takuma Koizumi, Toride, JP;
Ayumu Murakami, Abiko, JP;
Yuichi Yamamoto, Toride, JP;
Haruhisa Oshida, Abiko, JP;
Toshifumi Itabashi, Toride, JP;
Yusuke Imai, Toride, JP;
Kiyoshi Oyama, Tokyo, JP;
Takuma Koizumi, Toride, JP;
Ayumu Murakami, Abiko, JP;
Yuichi Yamamoto, Toride, JP;
Haruhisa Oshida, Abiko, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A sheet conveyance device according to an aspect of the invention includes a conveyance roller pair which is rotated to convey a sheet by receiving a driving force from a motor conveying a sheet; a conveyance guide which guides the sheet conveyed by the conveyance roller pair; and sheet detection unit for detecting the sheet guided by the conveyance guide. In the sheet conveyance device, a sheet conveyance speed of the conveyance roller pair is controlled based on information from the sheet detection unit. The sheet detection unit is a sheet scanner having an optical sensor layer in which photoelectric conversion devices formed by combinations of organic transistors and organic photodiodes are continuously arranged in a matrix shape, and the sheet scanner is provided in an area of the conveyance guide in order to continuously detect the sheet conveyed by the conveyance roller pair in a predetermined area.