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. 01, 1998
Filed:
Oct. 05, 1995
Hiroyuki Oba, Yokohama, JP;
Yasumasa Ohtsuka, Yokohama, JP;
Kouichi Okuda, Yokohama, JP;
Tatsunori Ishiyama, Yokohama, JP;
Akira Hayakawa, Tokyo, JP;
Daizo Fukuzawa, Tokyo, JP;
Takashi Shibuya, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A fixing apparatus includes a heat generating element for generating heat upon electric power supply thereto; a temperature detecting element a for detecting a temperature or the heat generating element; power application control for controlling the power to the heat generating element so that the temperature detected by the temperature detecting element maintains a fixing temperature; and a power setting device for pre-applying power to the heat generating element to detect a rate of temperature change during the pre-application of power, before power is applied to start up the heat generating element to the fixing temperature, and for setting the power to be applied during the start-up period, in accordance with the detected rate of temperature change.