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:
May. 15, 2007
Filed:
Dec. 13, 2001
Tadaaki Saida, Chiba, JP;
Yoshihito Osari, Chiba, JP;
Akinobu Nishikata, Chiba, JP;
Nobuo Sekiguchi, Ibaraki, JP;
Rieko Akiba, Kanagawa, JP;
Yuichiro Maeda, Ibaraki, JP;
Tadaaki Saida, Chiba, JP;
Yoshihito Osari, Chiba, JP;
Akinobu Nishikata, Chiba, JP;
Nobuo Sekiguchi, Ibaraki, JP;
Rieko Akiba, Kanagawa, JP;
Yuichiro Maeda, Ibaraki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
In image reading apparatus capable of performing a read-while-feed operation in which an original is read while being fed by an image sensor placed at a fixed position, presence/absence of dust and/or dirt on a platen is detected, and, in a case where dust and/or dirt are detected at all of a plurality of predetermined positions by said detector, the read-while-feed operation is inhibited and the presence of dust and/or dirt is notified to a user. When, removal of dust and/or dirt on the platen is detected in a state that the read-while-feed operation is inhibited, the read-while-feed operation is allowed.