Title:
アンテナ
Document Type and Number:
Japanese Patent JP5542902
Kind Code:
B2
Abstract:
The antenna is provided with: a conductor; an EBG structure that is disposed above the conductor and that contains plural square elements arranged in a matrix; and a radiation element disposed above the EBG structure. A distance L1 between the conductor and the EBG structure satisfies 0.01» 0 ¤ L1 ¤ 0.15» 0 , preferably satisfies 0.025» 0 ¤ L1 ¤ 0.085» 0 , and more preferably satisfies 0.035» 0 ¤ L1 ¤ 0.07» 0 , where an wavelength of a design center frequency of the radiation element is denoted by » 0 .
Inventors:
Hidenobu Hiramatsu
Application Number:
JP2012260765A
Publication Date:
July 09, 2014
Filing Date:
November 29, 2012
Export Citation:
Assignee:
Nihon Dengyo Kosaku Co., Ltd.
International Classes:
H01Q15/14; H01Q9/16; H01Q21/24
Attorney, Agent or Firm:
Jiro Furube
Kinya Kato
Takehiko Sunada
Kinya Kato
Takehiko Sunada