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:
Sep. 20, 2005
Filed:
Jun. 09, 2003
Takuroh Kamiya, Tokyo-to, JP;
Junya Takigawa, Tokyo-to, JP;
Yoshihiro Sakai, Tokyo-to, JP;
Katsuya Kawagoe, Tokyo-to, JP;
Ryuuichi Mimbu, Kawasaki, JP;
Toshiyuki Andoh, Kanagawa-ken, JP;
Koichi Kudo, Yokohama, JP;
Takuroh Kamiya, Tokyo-to, JP;
Junya Takigawa, Tokyo-to, JP;
Yoshihiro Sakai, Tokyo-to, JP;
Katsuya Kawagoe, Tokyo-to, JP;
Ryuuichi Mimbu, Kawasaki, JP;
Toshiyuki Andoh, Kanagawa-ken, JP;
Koichi Kudo, Yokohama, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An image forming apparatus including a rotary member having an image formation area, and a scale located at a position outside of the image formation area and on an inner circumference of the rotary member. Also included is a drive device configured to drive the rotary member, a developing device configured to develop an image on the image formation area of the rotary member, and a transfer device configured to transfer the image on the image formation area to a recording sheet. Further included is a sensor configured to detect the scale on the rotary member and to output a signal corresponding to the detection of the scale.