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:
Feb. 10, 2015
Filed:
Aug. 30, 2011
Satoshi Ueno, Tokyo, JP;
Masanao Ehara, Kanagawa, JP;
Tadashi Ogawa, Tokyo, JP;
Teppei Kawata, Kanagawa, JP;
Takamasa Hase, Kanagawa, JP;
Kazuya Saito, Kanagawa, JP;
Shuutaroh Yuasa, Kanagawa, JP;
Kensuke Yamaji, Kanagawa, JP;
Satoshi Ueno, Tokyo, JP;
Masanao Ehara, Kanagawa, JP;
Tadashi Ogawa, Tokyo, JP;
Teppei Kawata, Kanagawa, JP;
Takamasa Hase, Kanagawa, JP;
Kazuya Saito, Kanagawa, JP;
Shuutaroh Yuasa, Kanagawa, JP;
Kensuke Yamaji, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A fixing device includes a fixing rotation body heating and fixing an unfixed image onto a recording medium; a pressing rotation body pressing the recording medium to the fixing rotation body; a first temperature detection unit detecting a temperature of the fixing rotation body; and plural second temperature detection units detecting a temperature of the pressing rotation body. Further the fixing device selects a predetermined second temperature detection unit from the plural second temperature detection units depending on an operation mode of the fixing device, and the fixing device detects the temperature of the pressing rotation body by using the predetermined second temperature detection unit selected by the fixing device.