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:
Aug. 20, 2002
Filed:
Apr. 27, 2000
Applicant:
Inventors:
Kenji Okamoto, Kanagawa, JP;
Naoto Fukasawa, Kanagawa, JP;
Assignee:
Fuji Electric Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/12 ; H03H 7/09 ;
U.S. Cl.
CPC ...
H02M 1/12 ; H03H 7/09 ;
Abstract
A spiral LC composite member is formed by splicing together a desired number of rectangular dielectric chips between two spiral coils with rectangular cross sections. A noise-cut filter circuit is formed by laminating and connecting a desired number of spiral LC composite members. A desired number of noise-cut filter circuits are layered through insulation sheets, and are enclosed by a magnetic body so that a magnetic circuit can be formed at the core and the outer circumference of the multi-layered body. This constructs a filter circuit serving as a reactor and a capacitor.