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:
Jun. 25, 2013
Filed:
Dec. 07, 2010
Toshiki Sato, Tokyo, JP;
Toshiki Sato, Tokyo, JP;
Oki Data Corporation, Tokyo, JP;
Abstract
An invented fixing device having a fixing roller for fixing developer to a recording medium and plural fixing heaters for heating the fixing roller includes a temperature detection unit as well as a thermistor for detecting the temperature of the fixing roller, a RAM storing the switching temperature for switching drive of the fixing heaters, a heater selection unit for selecting some of the fixing heaters to be driven based on the switching temperature and the detected temperature of the fixing member detected through the temperature detection unit, and a heat control unit for selectively driving the fixing heater selected by the heater selection unit.