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. 11, 2009
Filed:
Dec. 12, 2007
Hiroshi Suzuki, Tokyo, JP;
Kazunori Arimitsu, Tokyo, JP;
Yutaka Hatakeyama, Tokyo, JP;
Hideki Sasaki, Tokyo, JP;
Masaru Kumagai, Tokyo, JP;
Hiroshi Suzuki, Tokyo, JP;
Kazunori Arimitsu, Tokyo, JP;
Yutaka Hatakeyama, Tokyo, JP;
Hideki Sasaki, Tokyo, JP;
Masaru Kumagai, Tokyo, JP;
TDK Corporation, Tokyo, JP;
Abstract
A coil unit including an annular toroidal core, two coils wound over the toroidal core providing a bifilar winding, a winding-start positioning part, and a winding-end positioning part. The winding-start positioning part is adapted for making contact with a winding-start portion of the coils. The winding-end positioning part is adapted for making contact with a winding-end portion of the coils for regulating the positions of the winding-start portion and the winding-end portion relative to the toroidal core.