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:
Mar. 02, 2021
Filed:
Jun. 28, 2016
Dexerials Corporation, Tokyo, JP;
Katsuhisa Orihara, Tochigi, JP;
DEXERIALS CORPORATION, Tokyo, JP;
Abstract
An antenna device having excellent communication characteristics even when no opening is provided in a conductor. An antenna device including: an antenna coil inductively coupled to an external device (reader/writer) and provided by winding around a conducting wire two dimensionally via an opening; and a conductor provided to be overlapped with the antenna coil at a surface of the antenna coil opposing to the external device, wherein the conductor includes a first slit formed from a region overlapped with the opening of the antenna coil to an end of the conductor, and a second slit connected to the first slit and formed in the region overlapped with the opening of the antenna coil.