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. 03, 1985
Filed:
Jul. 03, 1984
Applicant:
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355 / ; 355 / ; 219216 ;
Abstract
An image formation apparatus includes a device for forming an image on a sheet fed thereto, a fixing device for heat-fixing the image, a detector for detecting the temperature of the fixing device, a temperature controller for controlling the electric power supplied to a heat source in accordance with the detected temperature, a detector for detecting disconnection of an element in the temperature detector, and a controller for operating the disconnection detector after a predetermined time from a point of time at which the fixing device starts to be heated.