Directional mobile antenna with polarization switching by displacement of radiating panels
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United States of America Patent
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Feb 16, 2016
Grant Date -
Oct 24, 2013
app pub date -
Apr 17, 2013
filing date -
Apr 20, 2012
priority date (Note) -
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Abstract
An antenna with polarization switching comprises a support comprising at least two faces each supporting a plurality of waveguides fed with radiofrequency signals and pierced with apertures disposed so as to illuminate radiating elements placed some distance from the said apertures. For at least one given antenna pointing, the said support is able to toggle between at least two different configurations, the said support being configured so as to place, in the second configuration, the second face in a position identical to that taken by the first face in the first configuration, several radiating elements of the first face being, in the said position, oriented differently from radiating elements of the second face. It applies notably to the switching of antennas embedded onboard moving objects on the ground having to operate high-speed communications with a satellite, in particular a geostationary satellite.
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