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:
Nov. 03, 2009
Filed:
Jun. 14, 2007
Yoshinobu Tateishi, Nara, JP;
Toyoaki Nanba, Osaka, JP;
Hiroaki Hori, Kyoto, JP;
Toshiaki Kagawa, Nara, JP;
Tetsunori Mitsuoka, Osaka, JP;
Yoshinobu Tateishi, Nara, JP;
Toyoaki Nanba, Osaka, JP;
Hiroaki Hori, Kyoto, JP;
Toshiaki Kagawa, Nara, JP;
Tetsunori Mitsuoka, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A fuser unit including: a set of a heat roller and a pressure roller for sandwiching and conveying a printing sheet while heating the printing sheet by the heat roller; a peripheral surface contact member which is in contact with the peripheral surface of the heat roller; an external heater for heating the peripheral surface contact member by applying electric energy; a contact member temperature sensor for detecting a temperature of the peripheral surface contact member; and a temperature controller for controlling an upper limit temperature of the peripheral surface contact member in accordance with the number of printing sheets conveyed per unit time.