Communications: radio wave antennas – Antennas – Antenna components
Reexamination Certificate
2003-01-30
2008-03-25
Le, Hoanganh (Department: 2821)
Communications: radio wave antennas
Antennas
Antenna components
C343S91100R
Reexamination Certificate
active
07348934
ABSTRACT:
A compact lens antenna assembly A which is a Luneberg lens antenna comprising a hemispherical lens and a reflecting plate so as to converge incoming radio waves on a feed, and which can receive radio waves from not only a geostationary satellite or an orbiting satellite with high gain even if the incidence angle of the incoming radio waves is large includes lens antenna body10including a base plate11, a reflecting plate13and a hemispherical lens14made by laminating dielectric materials. The plate13and the lens14are rotatably mounted on the base plate11. The antenna body further includes feeds16aand16bthat can be moved to a desired position along guide rails15. The antenna assembly further includes a reflecting plate support means20mounted on a base21and capable of inclining the reflecting plate13in a desired direction. By inclining the reflecting plate13, the incidence angle of radio waves from the satellite is adjustable to a value within a predetermined range.
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Kishimoto Tetsuo
Kuroda Masatoshi
Ogawa Takaya
Le Hoang-anh
McDermott Will & Emery LLP
Sumitomo Electric Industries Ltd.
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