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. 07, 2012
Filed:
Aug. 21, 2007
Hiroyuki Saito, Yokohama, JP;
Haruyuki Yanagi, Machida, JP;
Kentaro Onuma, Yokohama, JP;
Tetsuya Ishikawa, Yokohama, JP;
Yuichiro Suzuki, Yokohama, JP;
Hiroyuki Kakishima, Kawasaki, JP;
Michiharu Shoji, Kawasaki, JP;
Hiroyuki Saito, Yokohama, JP;
Haruyuki Yanagi, Machida, JP;
Kentaro Onuma, Yokohama, JP;
Tetsuya Ishikawa, Yokohama, JP;
Yuichiro Suzuki, Yokohama, JP;
Hiroyuki Kakishima, Kawasaki, JP;
Michiharu Shoji, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
This invention relates to a printing apparatus and a conveyance control method capable of allowing even an arrangement having a plurality of conveyance rollers in a printing medium conveyance path to accurately control conveyance of a printing medium. According to this invention, a first encoder detects a conveyance amount by a first conveyance roller, provided in a conveyance path, for conveying a printing medium. A second encoder detects a conveyance amount by a second conveyance roller provided in the conveyance path in the conveyance direction of the printing medium at the downstream side of the first conveyance roller for conveying the printing medium. On the other hand, a signal output from the first or second encoder is selected on the basis of the position of the printing medium on the conveyance path. Conveyance of the printing medium is controlled on the basis of the selected output signal.