Title:
アンテナ装置及び無線通信装置
Document Type and Number:
Japanese Patent JP4804447
Kind Code:
B2
Abstract:
An antenna apparatus includes a first feeding point and a second feeding point provided at respective positions on an antenna element. The antenna element is excited through the first and second feeding points simultaneously so as to operate as a first antenna portion and a second antenna portion simultaneously, the first antenna portion and the second antenna portion correspond to the first and second feeding points, respectively. The antenna element further includes, between the first and second feeding points, an electromagnetic coupling adjuster for making an amount of isolation between the first and second antenna portions.
Inventors:
Hiroshi Iwai
Atsushi Yamamoto
Tsutomu Sakata
Satoshi Tenri
Atsushi Yamamoto
Tsutomu Sakata
Satoshi Tenri
Application Number:
JP2007312298A
Publication Date:
November 02, 2011
Filing Date:
December 03, 2007
Export Citation:
Assignee:
Panasonic Corporation
International Classes:
H01Q21/30; H01Q1/24; H01Q5/10; H01Q13/10; H04B7/04
Domestic Patent References:
| JP2004312157A | ||||
| JP2000307339A | ||||
| JP3121551U | ||||
| JP63023401A | ||||
| JP11163620A |
Attorney, Agent or Firm:
Takuji Yamada
Mitsuo Tanaka
Kawabata Junichi
Mitsuo Tanaka
Kawabata Junichi