Title:
アンテナ装置
Document Type and Number:
Japanese Patent JP6549436
Kind Code:
B2
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.
Inventors:
Katsuhisa Orihara
Application Number:
JP2015144700A
Publication Date:
July 24, 2019
Filing Date:
July 22, 2015
Export Citation:
Assignee:
Dexerials Co., Ltd.
International Classes:
H01Q7/00; G06K19/077; H01Q1/24
Domestic Patent References:
| JP2008131115A |
Foreign References:
| WO2014112150A1 |
Attorney, Agent or Firm:
Akira Koike
Seiji Iga
Seiji Iga