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:
Mar. 20, 2012
Filed:
Jun. 19, 2009
Tsutomu Katoh, Kawasaki, JP;
Kazuosa Kuma, Yokohama, JP;
Takeshi Fukao, Yokohama, JP;
Yoshiharu Kishi, Tokyo, JP;
Tsutomu Katoh, Kawasaki, JP;
Kazuosa Kuma, Yokohama, JP;
Takeshi Fukao, Yokohama, JP;
Yoshiharu Kishi, Tokyo, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An image forming apparatus includes an image forming mechanism, a transfer mechanism including a first endless belt receiving a toner image formed on an image carrier and a second endless belt receiving the toner image formed on the first endless belt, a first detector to detect a speed of movement of the first endless belt or a toner image transferred at a predetermined position on the first endless belt, a belt speed adjustment unit to adjust a speed of movement of the first endless belt based on results obtained by the first detector, a second detector to detect the toner image transferred at a predetermined position on the second endless belt, and a transfer adjustment unit to adjust a speed of movement of the second endless belt based on results obtained by the second detector.