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:
Feb. 11, 2003
Filed:
Nov. 20, 2001
Tatsuhito Kataoka, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An object of the present invention is to provide a heating apparatus that has a heat generating member a heating member heated by the heat generating member a temperature detecting member for detecting a temperature of the heating member and power supply control device for controlling power supply to the heat generating member on the basis of a detection output of the temperature detecting member, the power supply control device including a first power supply control for applying an AC voltage of a limited phase to the heat generating member and a second power supply control for applying an AC voltage of an unlimited phase to the heat generating member, wherein turning ON/OFF of power supply to the heat generating member on the basis of the detection output of the temperature detecting member is not effected during the first power supply control.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile