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. 07, 2017
Filed:
Dec. 07, 2015
Canon Kabushiki Kaisha, Tokyo, JP;
Tomoaki Tanto, Toride, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image heating apparatus includes an endless belt, a temperature raising portion, a first detecting portion configured to detect the temperature of the endless belt at a widthwise central portion, a controller configured to control energization to the temperature raising portion depending on an output of the first detecting portion, a second detecting portion configured to detect the temperature of the endless belt at a widthwise one end portion, an air blowing portion configured to blow air depending on an output of the second detecting portion to cool the widthwise one end portion of the endless belt, and a discriminating portion configured to discriminate whether or not the endless belt is broken on the basis of the output of the second detecting portion when the air blowing portion is operated while effecting the energization to the temperature raising portion.