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:
Apr. 11, 2017
Filed:
Apr. 18, 2016
Canon Kabushiki Kaisha, Tokyo, JP;
Yuki Nishizawa, Yokohama, JP;
Hiroshi Mano, Numazu, JP;
Minoru Hayasaki, Mishima, JP;
Aoji Isono, Naka-gun, JP;
Akira Kuroda, Numazu, JP;
Toshio Miyamoto, Numazu, JP;
Michio Uchida, Mishima, JP;
Seiji Uchiyama, Numazu, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A fixing device configured to fix an image on a recording material, includes: a rotary member including an electroconductive layer; a coil which has a spiral shaped portion and is disposed in the inside of the rotary member; and a core disposed in the spiral shaped portion; with magnetic resistance of the core being, with an area from one end to the other end of the maximum passage region of the image on the recording material regarding the generatrix direction, equal to or smaller than 30% of combined magnetic resistance made up of magnetic resistance of the electroconductive layer and magnetic resistance of a region between the electroconductive layer and the core.