Mobile-Beam Antenna Mounting
First Claim
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1. A mobile-beam antenna mounting comprising:
- a supporting base, a parabolic primary reflector having a focus and a secondary reflector of ellipsoid type having two focuses, a feed for transmitting and/or receiving RF signals forming a beam mounted in the mounting so as to be immobile relative to the supporting base, a mobile support bearing the primary reflector and the secondary reflector, said reflectors being immobile relative to one another, the mobile support being mounted on the supporting base with link means suitable for displacing the reflectors about at least one fixed displacement axis passing through the phase center of the feed, wherein the focus of the primary reflector is kept positioned on a first focus of the secondary reflector and the second focus of the secondary reflector is kept positioned on the phase center of the feed in any position of the mobile support.
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Abstract
A mobile-beam antenna mounting comprises a supporting base, at least one reflector and a transmission and/or reception feed. The feed is mounted in the mounting so as to be immobile relative to the supporting base and the mounting also comprises a mobile support bearing the reflector, the mobile support being mounted on the supporting base with link means suitable for displacing it about at least one fixed displacement axis passing through the phase center of the feed.
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Citations
6 Claims
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1. A mobile-beam antenna mounting comprising:
- a supporting base, a parabolic primary reflector having a focus and a secondary reflector of ellipsoid type having two focuses, a feed for transmitting and/or receiving RF signals forming a beam mounted in the mounting so as to be immobile relative to the supporting base, a mobile support bearing the primary reflector and the secondary reflector, said reflectors being immobile relative to one another, the mobile support being mounted on the supporting base with link means suitable for displacing the reflectors about at least one fixed displacement axis passing through the phase center of the feed, wherein the focus of the primary reflector is kept positioned on a first focus of the secondary reflector and the second focus of the secondary reflector is kept positioned on the phase center of the feed in any position of the mobile support.
- View Dependent Claims (2, 3, 4, 5, 6)
Specification