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:
Jun. 10, 2008
Filed:
Jan. 20, 2006
Hiroshi Okamura, Kanagawa, JP;
Yuji Matsuda, Tokyo, JP;
Hiromichi Matsuda, Kanagawa, JP;
Toshiyuki Andoh, Kanagawa, JP;
Nobuto Yokokawa, Kanagawa, JP;
Ryoji Imai, Kanagawa, JP;
Masato Yokoyama, Kanagawa, JP;
Kazuhiko Kobayashi, Tokyo, JP;
Yohei Miura, Tokyo, JP;
Hiroshi Okamura, Kanagawa, JP;
Yuji Matsuda, Tokyo, JP;
Hiromichi Matsuda, Kanagawa, JP;
Toshiyuki Andoh, Kanagawa, JP;
Nobuto Yokokawa, Kanagawa, JP;
Ryoji Imai, Kanagawa, JP;
Masato Yokoyama, Kanagawa, JP;
Kazuhiko Kobayashi, Tokyo, JP;
Yohei Miura, Tokyo, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A belt driving control apparatus, the belt driving control apparatus having an endless belt, a driving roller driving the endless belt, a driving motor driving the driving roller, at least one idler roller being dependent on the endless belt, and an encoder attached to one idler roller. The belt driving control apparatus includes a structure where a control target value of the driving motor is set so that an effective speed of the endless belt is constant and the driving motor is drive-controlled so that the control target value is satisfied.