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. 12, 2015
Filed:
Jul. 23, 2014
Canon Kabushiki Kaisha, Tokyo, JP;
Kiyoto Toyoizumi, Susono, JP;
Masaru Shimura, Yokohama, JP;
Hideo Nanataki, Yokohama, JP;
Kengo Kawamoto, Irvine, CA (US);
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A color image forming apparatus has a light emitting element emitting light, a laser driving unit causing the light emitting element to emit light of a light amount at a first emission level for visualizing a toner image onto a first area where the toner image is to be visualized on a charged photosensitive member and to emit light of a light amount at a second emission level for weak emission onto a second area where the toner is not to be adhered to the charged photosensitive member. In addition, an acquiring unit acquires information of an integrated number of rotations of the photosensitive member, a drive current adjusting unit adjusts the drive current for the second emission level, and changes a magnitude of the drive current for the second emission level in accordance with the information of the integrated number of rotations of the photosensitive member.