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:
Nov. 16, 2004
Filed:
Oct. 15, 2003
Hiroshi Terada, Ikoma, JP;
Masaru Imai, Hirakata, JP;
Hideki Tatematsu, Neyagawa, JP;
Akinori Toyoda, Katano, JP;
Kenji Asakura, Katano, JP;
Syuichi Watanabe, Yawata, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
An image heating device having a predetermined amount of heat generation with a small electric current. The device includes a heat-generating roller ( ) having magnetism and conductivity, an exciting coil ( ) opposed to the peripheral face of the heat-generating roller ( ) and adapted for allowing the heat-generating roller ( ) to generate heat with electromagnetic induction. The exciting coil ( ) is composed of a bundle of 60 copper wires of a 0.2 mm diameter are extended in the direction of the rotation axis of the heat-generating roller ( ) and they are circumferentially wound along the circumferential direction of the heat-generating roller ( ). The bundled wires are arranged in close contact with each other in the circumferential direction of the heat-generating roller ( ) so as to cover the upper half of the heat-generating roller ( ).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile