H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
H01Q 3/00 (2006.01) H01Q 3/02 (2006.01) H01Q 3/04 (2006.01) H01Q 3/06 (2006.01) H01Q 13/02 (2006.01) H01Q 21/06 (2006.01) H01Q 21/28 (2006.01) H01Q 21/29 (2006.01)
Patent
CA 2423249
An assembly of mechanically steerable directional radio antennas, comprising a primary antenna and at least one secondary antenna, arranged such that the or each secondary antenna is capable of being physically steered over a limited azimuthal arc relative to the primary antenna, and is at least partially within the swept volume of the primary antenna. By allowing the swept volumes of the antennas to overlap, a compact assembly can be provided, whilst by limiting the azimuthal movement of the secondary antennas relative to the primary, it can be arranged that the antennas to not foul each other.
L'invention concerne un ensemble d'antennes radio directionnelles pouvant être orientées mécaniquement, comportant une antenne primaire et au moins une antenne secondaire disposée de manière que la ou les antennes secondaires puissent être orientées mécaniquement par rapport à l'antenne primaire le long d'un arc azimutal limité, la ou les antennes secondaires se trouvant au moins partiellement dans le volume balayé par l'antenne primaire. Le chevauchement des volumes balayés par les antennes permet de réaliser un ensemble de construction compacte. Par ailleurs, de par la limitation du mouvement azimutal des antennes secondaires par rapport à l'antenne primaire, les antennes ne s'accrochent pas.
Dobbie William Hislop
Rose Ian Gordon
British Telecommunications Public Limited Company
Gowling Lafleur Henderson Llp
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