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.

Date of Patent:
Aug. 10, 2010

Filed:

Feb. 27, 2007
Applicants:

Tsugihito Yoshiyama, Toyohashi, JP;

Munenori Nakano, Hoi-gun, JP;

Inventors:

Tsugihito Yoshiyama, Toyohashi, JP;

Munenori Nakano, Hoi-gun, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/01 (2006.01); G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

One of aspects of the present invention is to provide an image forming apparatus includes an intermediate transfer member rotating at a first circumferential speed, and an image carrier capable of having a plurality of toner images formed thereon in turn, each of the toner images having a color different from one another, for transferring the toner images onto the intermediate transfer member, the image carrier rotating at a second circumferential speed. At least one of the first and second circumferential speeds are adjustable in accordance with a driving mode selected from a group consisting of a monochrome mode and a color mode. Also, a first difference between the first and second circumferential speeds in the monochrome mode is greater than a second difference between the first and second circumferential speeds in the color mode.


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