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:
Sep. 27, 2011
Filed:
Mar. 28, 2007
Yoichiro Maebashi, Tokyo, JP;
Yoichiro Maebashi, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes a coordinate converter that corrects an image position in one pixel unit by converting a coordinate, a gradation value converter that corrects the image position in less-than-one pixel unit by converting a gradation value, an image outputting unit that forms a detection toner image including an intermediate gradation pixel onto an image bearing member that can bear a toner image, and a light reflection characteristic detector that detects a light reflection characteristic of the detection toner image. The gradation value converter is adjusted in accordance with a detection output of the light reflection characteristic detector.