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:
Dec. 10, 2019
Filed:
Jan. 14, 2015
Dexerials Corporation, Tokyo, JP;
Katsuhisa Orihara, Tochigi, JP;
Norio Saito, Tochigi, JP;
Akihiro Fukuda, Tochigi, JP;
Manabu Suzuki, Tochigi, JP;
Hiroyuki Ryoson, Tochigi, JP;
Masayoshi Kanno, Tochigi, JP;
Masahiro Kobo, Tochigi, JP;
DEXERIALS CORPORATION, Tokyo, JP;
Abstract
An antenna device incorporated in an electronic apparatus to communicate with an external apparatus via an electromagnetic field signal includes a first conductor provided inside a housing of the electronic apparatus and opposing the external apparatus, a loop antenna having an antenna coil conductively coupled to the external apparatus and coiling thereon, a sheet-like second conductor provided as being spaced with a predetermined space from the first conductor and partially overlapping or making contact with a surface of the loop antenna opposite to a surface opposing the external apparatus, and a sheet-like third conductor provided between the first conductor and the second conductor and having one end overlapping or making contact with the first conductor and other end partially overlapping or making contact with the second conductor.