Title:
ANTENNA APPARATUS
Document Type and Number:
Japanese Patent JP2007006345
Kind Code:
A
Abstract:
To provide an antenna apparatus capable of changing radio wave radiation property over a wide range in simple structure.
An antenna apparatus according to the present invention includes: a dielectric rod antenna 21 which propagates electromagnetic waves in a slow wave mode; a slit plate 226 which converts a propagation mode of electromagnetic waves propagated through the dielectric rod antenna 21 from the slow wave mode to a quick wave mode; and a fixed electrode 241, 242 to be used for changing a relative distance between the dielectric rod antenna 21 and the slit plate 226.
Inventors:
IWASAKI TORU
IKEDA TETSUOMI
SUGINOSHITA FUMIYASU
IKEDA TETSUOMI
SUGINOSHITA FUMIYASU
Application Number:
JP2005186591A
Publication Date:
January 11, 2007
Filing Date:
June 27, 2005
Export Citation:
Assignee:
JAPAN BROADCASTING CORP
International Classes:
H01Q3/44; H01Q3/04; H01Q13/22; H01Q21/10
Domestic Patent References:
| JP2001004809A | 2001-01-12 | |||
| JP2000056861A | 2000-02-25 | |||
| JPH06225514A | 1994-08-12 |
Attorney, Agent or Firm:
Gunichiro Ariga
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