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. 11, 2024
Filed:
Feb. 26, 2021
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Syun Ashizawa, Tokyo, JP;
Takahiro Banzai, Tokyo, JP;
Riku Umeki, Tokyo, JP;
Satoshi Sugimoto, Tokyo, JP;
Hitoshi Sasaki, Tokyo, JP;
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 27/24 (2006.01); H01F 3/14 (2006.01); H01F 17/04 (2006.01); H01F 27/26 (2006.01); H01F 27/28 (2006.01); H01F 27/29 (2006.01); H01F 41/04 (2006.01);
U.S. Cl.
CPC ...
H01F 27/24 (2013.01); H01F 3/14 (2013.01); H01F 17/04 (2013.01); H01F 27/263 (2013.01); H01F 27/2852 (2013.01); H01F 27/29 (2013.01); H01F 41/04 (2013.01);
Abstract
A coil device includes a main core and a sub core. The main core includes a middle leg for winding a coil body and an outer leg connected with the middle leg via a base portion. The sub core is disposed to face the base portion across the middle leg. A gap between the middle leg and the sub core is wider than that between the outer leg and the sub core.