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. 28, 2018
Filed:
Apr. 03, 2017
Kazuaki Kamihara, Tokyo, JP;
Yuuichiroh Uematsu, Kanagawa, JP;
Tetsuya Muto, Tokyo, JP;
Tomohide Takenaka, Kanagawa, JP;
Keita Sone, Tokyo, JP;
Keita Gotoh, Kanagawa, JP;
Masahiko Shakuto, Kanagawa, JP;
Takamasa Ozeki, Kanagawa, JP;
Mutsuki Morinaga, Kanagawa, JP;
Hitoshi Yamamoto, Kanagawa, JP;
Keiko Kajimura, Kanagawa, JP;
Kazuaki Kamihara, Tokyo, JP;
Yuuichiroh Uematsu, Kanagawa, JP;
Tetsuya Muto, Tokyo, JP;
Tomohide Takenaka, Kanagawa, JP;
Keita Sone, Tokyo, JP;
Keita Gotoh, Kanagawa, JP;
Masahiko Shakuto, Kanagawa, JP;
Takamasa Ozeki, Kanagawa, JP;
Mutsuki Morinaga, Kanagawa, JP;
Hitoshi Yamamoto, Kanagawa, JP;
Keiko Kajimura, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An image forming apparatus includes an image bearer, a toner image forming device, a plurality of image density detectors, and a controller. The plurality of image density detectors are disposed at predetermined intervals opposite the image bearer in a width direction of the image bearer. The controller causes the toner image forming device to form toner image patterns having an identical density at the plurality of positions on the image bearer and the plurality of image density detectors detects a density of the toner image patterns. Based on the detected density of the toner image patterns, the controller identifies multiple cyclic fluctuations of the density of the toner image patterns and adjusts an image forming condition based on the multiple cyclic fluctuations of the density of the toner image patterns to decrease an amplitude caused by the multiple cyclic fluctuations of the density of the toner image patterns.