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:
Oct. 28, 1997
Filed:
Jun. 07, 1995
Applicant:
Inventors:
Hiroaki Sakai, Yokohama, JP;
Masaharu Ohkubo, Yokohama, JP;
Norio Hashimoto, Tokyo, JP;
Takayasu Yuminamochi, Kawasaki, JP;
Hiroto Hasegawa, Kawasaki, JP;
Kazuaki Ono, Tokyo, JP;
Minoru Matsuguma, Kawasaki, JP;
Yasunari Kobaru, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ; G03G / ;
U.S. Cl.
CPC ...
399 69 ; 399 33 ; 219216 ;
Abstract
In a fixing device used in an image forming apparatus, temperature changes in a heating member are reduced by gradually reducing a power supply duty ratio while the heating member is subjected to temperature control aiming at a set temperature.