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Title:
An antenna system and electronic equipment
Document Type and Number:
Japanese Patent JP6279250
Kind Code:
B2
Abstract:
Provided is an antenna device that achieves good communication characteristics when incorporated into an electronic apparatus. The antenna device (1) incorporated into an electronic apparatus and configured to communicate with an external device via an electromagnetic field signal comprises: a metal plate (3) serving as a first electric conductor, being provided inside a casing of the electronic apparatus and facing the external device; an antenna substrate (11) provided inside the casing of the electronic apparatus, and having an antenna coil (12) inductively coupled to the external device and wound around thereon; and metal foil (4) serving as a second electric conductor in sheet form, being provided inside the casing of the electronic apparatus, overlapping or being in contact with the metal plate (3) serving as the first electric conductor, and at least partially overlapping a surface of the antenna substrate (11), the surface being opposite to a surface facing the external device.

Inventors:
Katsuhisa Orihara
Norio Saito
Akihiro Fukuda
Suzuki Manabu
Hiroyuki Yoshitaka
Masayoshi Kanno
Application Number:
JP2013171960A
Publication Date:
February 14, 2018
Filing Date:
August 22, 2013
Export Citation:
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Assignee:
Dexerials Co., Ltd.
International Classes:
H01Q1/24; H01Q7/00; H01Q7/06
Domestic Patent References:
JP2011229133A
Foreign References:
WO2011077877A1
Attorney, Agent or Firm:
Junichi Omori
Teppei Nakamura
Ori Akira
Shintaro Kanayama



 
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