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Title:
FREQUENCY SELECTIVE SURFACE
Document Type and Number:
Japanese Patent JP2008103849
Kind Code:
A
Abstract:

To provide a frequency selective surface which has a plurality of antennas disposed on the same plane crossing an incident direction of a radio wave, the frequency selective surface being capable of providing transmission/attenuation quantity characteristics for radio waves of two specified frequency bands using one kind of antenna.

Each of the antennas 10 comprises a conductive edge portion 10a which has three or more element portions 11 extending radially from one point P and forms a closed circuit shape extending along an outline of the antenna 10, and a nonconductive void portion 10b enclosed with the edge portion 10a.


Inventors:
Kudo, Toshio
Kashiwabara, Kazuyuki
Application Number:
JP2006000282906
Publication Date:
May 01, 2008
Filing Date:
October 17, 2006
Export Citation:
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Assignee:
MITSUBISHI CABLE IND LTD
International Classes:
H01Q15/14; E04B1/92; H01Q17/00; H05K9/00
Domestic Patent References:
JPH10335877A
JPH10126090A
JP2004053466A
JP2001345632A
JP2005317945A
Foreign References:
WO2006088063A1
Attorney, Agent or Firm:
二宮 克也
井関 勝守
今江 克実
前田 弘
原田 智雄
嶋田 高久
杉浦 靖也
竹内 宏
竹内 祐二
藤田 篤史
関 啓