Title:
アンテナ装置、通信モジュール、携帯電子機器及びそれを利用した通信方法
Document Type and Number:
Japanese Patent JP4815546
Kind Code:
B2
Abstract:
To provide an antenna device having wide-angle directivity and having a configuration suitable for use within a portable electronic apparatus.
An antenna device 100 includes a substantially rectangular soft magnetic material 200 in a flat plate shape, and a loop-shaped coil 330. The coil 330 is disposed from a surface 212 to a backside 214 of the soft magnetic material 200 in such a way that a region surrounded by the coil 330 at least partially includes a specific edge 216, which is one of four edges of the soft magnetic material 200, and does not include a counter edge 218 opposed to the specific edge 216.
COPYRIGHT: (C)2011,JPO&INPIT
Inventors:
Ken'ichi Chatani
Naoji Yamamoto
Toshiaki Oka
Takashi Otsuki
Naoji Yamamoto
Toshiaki Oka
Takashi Otsuki
Application Number:
JP2011091948A
Publication Date:
November 16, 2011
Filing Date:
April 18, 2011
Export Citation:
Assignee:
NEC TOKIN CORPORATION
International Classes:
H01Q7/06; G06K19/07; G06K19/077; H01Q1/24; H04B5/02
Domestic Patent References:
| JP2005033461A | ||||
| JP2008028642A | ||||
| JP2009212923A | ||||
| JP2005525768A |
Foreign References:
| WO2008018231A1 | ||||
| WO2009078214A1 |
Attorney, Agent or Firm:
Takuya Yamazaki