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:
Aug. 30, 2011
Filed:
Oct. 04, 2007
Kazuhiko Kobayashi, Tokyo, JP;
Yasuhisa Ehara, Kanagawa, JP;
Joh Ebara, Kanagawa, JP;
Toshiyuki Uchida, Kanagawa, JP;
Noriaki Funamoto, Tokyo, JP;
Keisuke Sugiyama, Kanagawa, JP;
Kazuhiko Kobayashi, Tokyo, JP;
Yasuhisa Ehara, Kanagawa, JP;
Joh Ebara, Kanagawa, JP;
Toshiyuki Uchida, Kanagawa, JP;
Noriaki Funamoto, Tokyo, JP;
Keisuke Sugiyama, Kanagawa, JP;
Ricoh Company Limited, Tokyo, JP;
Abstract
An image forming system, in which a method of detecting a misregistration of a color image is performed, includes multiple image carriers, an optical writing unit, a transfer member extended by a drive roller and at least one driven roller, a rotation detector, a roller driving unit, a belt controller, an image detector configured to detect the images formed on the surface of the transfer member and obtain detection data, and a controller configured to calculate an amount of misregistration and correct relative misregistration of a scanning line between the image carriers based on a result of the calculation. In the image forming system, a distance from a transfer position to a detection position is an integer multiple of a travel distance of the transfer member during one revolution of the at least one driven roller.