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:
Aug. 23, 2016

Filed:

Jul. 23, 2013
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventor:

Masahiro Nawa, Kumamoto, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/20 (2006.01);
U.S. Cl.
CPC ...
G03G 15/2082 (2013.01); G03G 15/2042 (2013.01); G03G 15/2053 (2013.01);
Abstract

An image forming apparatus includes (i) a feeding portion; (ii) an image forming portion; and (iii) a fixing portion. The fixing portion includes: (iii-i) a rotatable member; (iii-ii) an exciting coil configured to cause the rotatable member to generate heat by electromagnetic induction heating; (iii-iii) a magnetic flux suppressing member configured to suppress a part of magnetic flux acting from the exciting coil to the rotatable member; and (iii-iv) a motor for moving the magnetic flux suppressing member depending on a width size of the sheet; and (iv) a controller configured to variably control a feeding interval of the sheet by the feeding portion so that a number of times of movement per unit time of the magnetic flux suppressing member is not more than a predetermined value when image formation of a plurality of sheets different in width size is continuously effected.


Find Patent Forward Citations

Nawa, Masahiro. (2016). Image forming apparatus with fixing portion having exciting coil configured to cause rotatable member to generate heat by electromagnetic induction heating (U.S. Patent No. 9423740). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9423740

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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