H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
H01Q 1/24 (2006.01) H01P 1/18 (2006.01) H01Q 3/32 (2006.01)
Patent
CA 2461967
An apparatus (30) for adjusting the phase of signals supplied to each element (E1-E8) of an antenna having a plurality of antenna elements, each element having a respective transmission line (34a, 34b) associated therewith, the apparatus comprising first supporting means (32) having a plurality of said transmission lines (34a, 34b) disposed thereon, and second supporting means (36), movable relative to said first supporting means (32), having a plurality of coupling links (38) disposed thereon. Each of said coupling links (38) comprises a length of transmission line arranged to capacitively couple with at least one of said transmission lines (34a, 34b) such that movement of said second supporting means (36) relative to said first supporting means (32) alters the effective length of one or more of said transmission lines (34a, 34b).
La présente invention concerne un appareil (30) conçu pour régler la phase de signaux fournis à chaque élément (E1-E8) d'une antenne qui présente une pluralité d'éléments d'antenne. Chaque élément présente une ligne de transmission respective (34a, 34b) qui lui est associée. Ledit appareil comprend des premiers systèmes de support (32) sur lesquels se trouve une pluralité desdites lignes de transmission (34a, 34b) et des seconds systèmes de support (36), mobiles par rapport auxdits premiers systèmes de support (32) et sur lesquels se trouve une pluralité d'éléments d'accouplement (38). Chacun des éléments d'accouplement (38) comprend une certaine longueur de ligne de transmission, conçue pour effectuer le couplage capacitif avec au moins une des lignes de transmission (34a, 34b), de façon que le mouvement desdits seconds systèmes de support (36) par rapport auxdits premiers systèmes de support (32) modifie la longueur efficace d'une ou de plusieurs desdites lignes de transmission (34a, 34b).
Fetherstonhaugh & Co.
Qinetiq Limited
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