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:
Mar. 26, 2013
Filed:
Mar. 19, 2010
Shohichi Fukutome, Osaka, JP;
Mitsuharu Yoshimoto, Osaka, JP;
Kenji Nakanishi, Osaka, JP;
Yasuhiro Suto, Osaka, JP;
Hisashi Yamanaka, Osaka, JP;
Yoshihisa Yamada, Osaka, JP;
Shohichi Fukutome, Osaka, JP;
Mitsuharu Yoshimoto, Osaka, JP;
Kenji Nakanishi, Osaka, JP;
Yasuhiro Suto, Osaka, JP;
Hisashi Yamanaka, Osaka, JP;
Yoshihisa Yamada, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
In regard to a secured original method, an image reading apparatus provided in an image forming apparatus reads a first original guide using an original reading portion and, based on a reading result thereof, changes a reading position of an adjustment sheet in a main scanning direction to enable detection of a difference between a brightness of the first original guide and a brightness of the adjustment sheet. In regard to a moving original method, the image reading apparatus reads a reading member using the original reading portion and, based on a reading result thereof, changes a reading position of an adjustment sheet in a main scanning direction to enable detection of a difference between a brightness of the reading member and a brightness of the adjustment sheet.