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.:

US 6769169 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 03, 2004

Filed:

Feb. 07, 2003
Applicant:
Inventors:

Akira Nishimizu, Hitachi, JP;

Hideki Masuhara, Hitachinaka, JP;

Youichi Amako, Niigata, JP;

Masanao Kuwabara, Nakajyo, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 7/06 ;
U.S. Cl.
CPC ...
H01F 7/06 ;
Abstract

To provide a technology capable of restraining direct current magnetic deviation in a transformer without providing a gap in a core, an axis of easy magnetization is provided in a second direction intersecting with a first direction along a magnetic circuit of the core to thereby bring a B-H characteristic of a material characteristic of the core into an unsaturated state.


Find Patent Forward Citations

Nishimizu, Akira. (2004). Method of fabricating a core for a transformer (U.S. Patent No. 6769169). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6769169

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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