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. 23, 2008
Filed:
Jun. 23, 2006
Hiroshi Koide, Kanagawa, JP;
Hitoshi Hattori, Kanagawa, JP;
Motokazu Yasui, Kanagawa, JP;
Takashi Fujita, Kanagawa, JP;
Hirokazu Ikenoue, Tokyo, JP;
Hiroshi Koide, Kanagawa, JP;
Hitoshi Hattori, Kanagawa, JP;
Motokazu Yasui, Kanagawa, JP;
Takashi Fujita, Kanagawa, JP;
Hirokazu Ikenoue, Tokyo, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A fixing apparatus and an image formation apparatus are disclosed. The fixing apparatus includes two or more heaters with temperature detecting function that generate heat with electric current and detect temperature; a heating unit that includes the heater with the temperature detecting function; a film, a surface of which slides on the heating unit; a thermal fixing unit that is heated by the heating unit through the film for fusing a toner image that is yet-to-be fixed on a recording paper at a predetermined fixing temperature; a pressurization roller for pressing the recording paper to the thermal fixing unit; and a temperature control unit for controlling the temperature of the heater to be a predetermined temperature based on the temperature of the heater detected by the heater with the temperature detecting function.