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. 22, 2008
Filed:
May. 25, 2005
Nozumu Nishiberi, Yokohama, JP;
Kentaro Onuma, Yokohama, JP;
Hiroyuki Saito, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A conveying roller and a paper expelling roller provided upstream and downstream, respectively, of a recording portion in a conveyance direction are connected via an idler gear so as to be able to perform drive transmission, a rotation drive amount of the idler gear is detected, ends of a recording medium in the conveyance direction are detected, driving of a conveying motor is controlled based on detection signals of the rotation drive amount of the idler gear and the ends of the recording medium, and a control constant is made variable according to a position of the recording medium in the conveyance direction.