Low cost high performance antenna for use in interactive satellite terminals
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United States of America Patent
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-
Aug 3, 2004
Grant Date -
Feb 6, 2003
app pub date -
Jul 17, 2002
filing date -
Jul 20, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a Interactive Satellite Terminal antenna system comprising an antenna to which is associated a feed horn. This antenna systems characterized in that it comprises an elliptical parabolic main reflector and a corrugated feed horn (2) having an outer elliptical aperture and an inner cylindrical waveguide with an inner portion (7) and a step section (8) and in that cavity elements (10) are added to the step section (8) for compensating cross-polar components. The invention can be used in antenna systems.
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