Radio wave lens antenna
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United States of America Patent
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Apr 17, 2007
Grant Date -
Jun 22, 2006
app pub date -
Jun 2, 2004
filing date -
Jun 5, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A multi-beam lens antenna for individual communication with communication satellites spaced at small elongations. The multi-beam antenna comprises primary feeds 3 each of which is composed of a waveguide having an opening at the end and a dielectric body 6 disposed at the end, a hemispherical Luneberg radio wave lens, and a reflective plate attached to the circular opening of the hemispherical radio wave lens and adapted for reflecting a radio wave incoming from the sky or emitted toward a target. The waveguides are preferably rectangular waveguides 4 rather than circular waveguides 5. The dielectric bodies 6 are preferably tapered.
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