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:
Jan. 31, 2017
Filed:
Jun. 26, 2013
Sht Corporation Limited, Izumisano-shi, Osaka, JP;
Tsunetsugu Imanishi, Izumisano, JP;
Hitoshi Yoshimori, Izumisano, JP;
SHT Corporation Limited, Osaka, JP;
Abstract
The present invention provides a teardrop-shaped magnetic core having excellent manufacturing efficiency, a large initial inductance, and stable DC superposition characteristics and a coil device using this teardrop-shaped magnetic core. A teardrop-shaped magnetic core according to the present invention is a magnetic core that is made from a magnetic material and is to be used in a coil device, the magnetic core including a first rectilinear portionand a second rectilinear portionthat have a straight-line shape and are connected to each other at one end via a bent portionthat is bent at a right angle, and a circular arc portionthat has a circular arc shape and connects the first rectilinear portion and the second rectilinear portion to each other at the other end. A coil device according to the present invention is configured by winding a wire around the teardrop-shaped magnetic core