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:
Dec. 19, 1995
Filed:
Apr. 08, 1994
Applicant:
Inventors:
Isao Matsumoto, Hatano, JP;
Tetsuo Fusato, Zama, JP;
Fumitoshi Kimura, Kanagawa, JP;
Fujio Matsui, Tokyo, JP;
Assignees:
Denki Kogyo Company, Ltd., Tokyo, JP;
Fuji Jukogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ; H05B / ;
U.S. Cl.
CPC ...
219635 ; 219667 ; 219663 ; 60286 ;
Abstract
A resonance circuit including a high frequency induction heating coil is set to a resonance state and a heating temperature of an object to be heated (for example, catalytic converter or the like) is controlled on the basis of a resonance frequency varied with an increased temperature of the object under the resonance state.