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:
Feb. 27, 2018
Filed:
Apr. 14, 2016
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 7/00 (2006.01); H01F 27/28 (2006.01); H01F 27/24 (2006.01); G06K 19/077 (2006.01); H01Q 1/22 (2006.01);
U.S. Cl.
CPC ...
H01Q 7/00 (2013.01); G06K 19/07773 (2013.01); H01F 27/24 (2013.01); H01F 27/28 (2013.01); H01Q 1/2225 (2013.01);
Abstract
An antenna device is provided with a magnetic core having a winding core, an antenna coil having a wire wound around the winding core, and a metal layer crossing a coil axis direction of the antenna coil. The metal layer has a slit and an edge of the slit crosses an inner diameter portion of the antenna coil in a plan view.