Title:
通信装置、アンテナ装置、並びに通信システム
Document Type and Number:
Japanese Patent JP5532678
Kind Code:
B2
Abstract:
A communication device includes a conductor plane, a first loop antenna disposed on one surface of the conductor plane via a first magnetic sheet, a second loop antenna being in a loop direction opposite to a loop direction of the first loop antenna and having an opening structure approximately identical in shape to the first loop antenna, the second loop antenna being disposed on another surface of the conductor plane via a second magnetic sheet so as to be roughly superposed on the first loop antenna, and a communication circuit processing a communication signal transmitted and received by the first and second loop antennas.
Inventors:
Tetsuro Goto
Kenichi Kabazawa
Masaya Takano
Hirano Kazuya
Kenichi Kabazawa
Masaya Takano
Hirano Kazuya
Application Number:
JP2009126411A
Publication Date:
June 25, 2014
Filing Date:
May 26, 2009
Export Citation:
Assignee:
ソニー株式会社
International Classes:
H01Q7/00; G06K19/07; G06K19/077; H01Q7/06; H04B5/02
Domestic Patent References:
| JP2004213582A | ||||
| JP2007081647A | ||||
| JP2003114265A | ||||
| JP2002344225A | ||||
| JP2001326526A | ||||
| JP7066620A |
Attorney, Agent or Firm:
Masaaki Miyata
Eiji Yamada
Eiji Sasaki
Toshio Sawada
Daido Patent Office
Eiji Yamada
Eiji Sasaki
Toshio Sawada
Daido Patent Office