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:
Jun. 13, 2006
Filed:
Aug. 28, 2003
Applicants:
Satoru Tanaka, Tottori-Ken, JP;
Norikazu Koyuhara, Tottori-ken, JP;
Makoto Kadowaki, Tottori-ken, JP;
Yoshihito Yoshikawa, Saitama-ken, JP;
Shiro Murakami, Saitama-ken, JP;
Inventors:
Satoru Tanaka, Tottori-Ken, JP;
Norikazu Koyuhara, Tottori-ken, JP;
Makoto Kadowaki, Tottori-ken, JP;
Yoshihito Yoshikawa, Saitama-ken, JP;
Shiro Murakami, Saitama-ken, JP;
Assignee:
Hitachi Metals, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 17/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A ferrite core for use in coupling transformers and distributing transformers in CATV equipments such as couplers, distributors and amplifiers, the ferrite core being made of a ferrite having a saturation magnetostriction |λ| of 8×10or less in an absolute value and an initial permeability μof 300 or more.