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:
Apr. 16, 2013
Filed:
Nov. 16, 2009
Kazuhisa Kawakami, Yokohama, JP;
Kenji Shigeno, Yokohama, JP;
Noriyuki Aoki, Tokyo, JP;
Yuji Kanome, Yokohama, JP;
Kosuke Yamamoto, Yokohama, JP;
Masakazu Tsukuda, Tokyo, JP;
Haruo Uchida, Yokohama, JP;
Hiroyuki Saito, Yokohama, JP;
Yoshiaki Suzuki, Nagareyama, JP;
Kazuhisa Kawakami, Yokohama, JP;
Kenji Shigeno, Yokohama, JP;
Noriyuki Aoki, Tokyo, JP;
Yuji Kanome, Yokohama, JP;
Kosuke Yamamoto, Yokohama, JP;
Masakazu Tsukuda, Tokyo, JP;
Haruo Uchida, Yokohama, JP;
Hiroyuki Saito, Yokohama, JP;
Yoshiaki Suzuki, Nagareyama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A printing apparatus includes a plurality of image sensors imaging a sheet to be conveyed, and a direct sensor unit performing the signal processing of the outputs of the image sensors to detect the movement of the sheet. Here, the plurality of image sensors are provided on the carriage at least at two positions with at least the recording element array diagonally put between the two positions. The plurality of image sensors can image the sheet at two positions separated in a main scan direction and a sub-scan direction.