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.

Date of Patent:
Feb. 27, 2024

Filed:

Jul. 19, 2022
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventor:

Takashi Uehara, Chiba, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/20 (2006.01); H05B 3/00 (2006.01); H05B 47/155 (2020.01);
U.S. Cl.
CPC ...
G03G 15/205 (2013.01); G03G 15/2039 (2013.01); G03G 15/2042 (2013.01); H05B 3/0066 (2013.01); H05B 47/155 (2020.01); H05B 2203/037 (2013.01);
Abstract

A fixing unit includes a first heater, a first switch, a second heater, and a second switch. In an image forming mode, a controller controls the first switch and the second switch to keep a temperature of the fixing unit at a fixing temperature serving as a target temperature for fixing the image on the sheet. In a standby mode, the controller controls the first and second switches to keep the temperature of the fixing unit at a standby temperature, and controls the first and second switches such that a period in which a first current is supplied to the first heater and a period in which a second current is supplied to the second heater do not overlap.


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