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:
Nov. 18, 2008

Filed:

Jan. 09, 2006
Applicants:

Hiromichi Matsuda, Kanagawa, JP;

Toshiyuki Andoh, Kanagawa, JP;

Masato Yokoyama, Kanagawa, JP;

Kazuhiko Kobayashi, Tokyo, JP;

Yuji Matsuda, Tokyo, JP;

Yohei Miura, Tokyo, JP;

Hiroshi Okamura, Kanagawa, JP;

Nobuto Yokokawa, Kanagawa, JP;

Ryoji Imai, Kanagawa, JP;

Inventors:

Hiromichi Matsuda, Kanagawa, JP;

Toshiyuki Andoh, Kanagawa, JP;

Masato Yokoyama, Kanagawa, JP;

Kazuhiko Kobayashi, Tokyo, JP;

Yuji Matsuda, Tokyo, JP;

Yohei Miura, Tokyo, JP;

Hiroshi Okamura, Kanagawa, JP;

Nobuto Yokokawa, Kanagawa, JP;

Ryoji Imai, Kanagawa, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01); G03G 15/16 (2006.01); G03G 15/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

An image forming apparatus includes a belt stretched across rollers and a resist rotary member that feeds out a recording medium on the belt. A correlation between a velocity of the belt and the resist rotary member is obtained. A target velocity of the belt or the resist rotary member, at which a difference between the velocity when the recording medium is in contact with both the belt and the resist rotary member and the velocity when the recording medium is not in contact with at least either the belt or the resist rotary member is minimum, is determined based on the correlation.


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