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:
Mar. 06, 2018
Filed:
Dec. 10, 2014
Canon Kabushiki Kaisha, Tokyo, JP;
Yuki Nishizawa, Yokohama, JP;
Shizuma Nishimura, Suntou-gun, JP;
Shinji Hashiguchi, Mishima, JP;
Koji Uchiyama, Mishima, JP;
Mahito Yoshioka, Numazu, JP;
Hiroshi Kita, Mishima, JP;
Akira Kuroda, Numazu, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image heating apparatus for heating an image formed on a recording material includes a tubular rotary member including a conductive layer, a magnetic core inserted into a hollow portion of the rotary member, a coil helically wound around an outer side of the magnetic core in the hollow portion, and a control unit configured to control a frequency of an alternating current flowing through the coil, in which the conductive layer generates heat by an electromagnetic induction in an alternating magnetic field formed when the alternating current flows through the coil, and the control unit controls the frequency in accordance with a size of the recording material.