Frequency converter arrangement for parabolic antennae

H - Electricity – 01 – Q

Patent

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Details

H01Q 1/24 (2006.01) H01P 1/17 (2006.01) H01P 1/213 (2006.01) H01Q 5/00 (2006.01) H01Q 15/24 (2006.01) H01Q 19/17 (2006.01)

Patent

CA 2292423

The invention concerns a frequency converter arrangement for parabolic antennae receiving vertical and horizontal linear polarisation signals, transmitted by two geostationary satellites not far from each other. The arrangement comprises two positive converter devices (5, 6) designed to receive the signal derived from a satellite, each device bearing means ensuring that the receiving antenna elements are oriented in the received signal plane and means to adapt to the different elevations of the two satellites, by rotating the converter device support. The arrangement is characterised in that the output portions (10) of the two converter devices (5, 6) are made in the form of a single-piece part (12) whereas the input portions (9) are separated and mounted selectively adjustable on the single- piece part (12), the arrangement being mounted rotating about an axis parallel to the two input portions (9).

Agencement de convertisseur de fréquences pour antennes paraboliques de réception de signaux à polarisations linéaires verticale et horizontale, émis par deux satellites géostationnaires à faible distance l'un de l'autre. L'agencement est du type comprenant deux dispositifs convertisseurs (5, 6) destinés à la réception du signal provenant d'un satellite, chaque dispositif portant des moyens assurant que les éléments d'antenne de réception soient orientés dans le plan du signal reçu et des moyens adaptateurs aux élévations différentes des deux satellites, par rotation du support des dispositifs convertisseurs. L'agencement est caractérisé en ce que les parties de sortie (10) des deux dispositifs convertisseurs (5, 6) sont réalisés sous forme d'une pièce monobloc (12), tandis que les parties d'entrée (9) sont séparées et montées sélectivement orientables sur la pièce monobloc (12), l'agencement étant monté rotatif autour d'un axe parallèle aux deux parties d'entrée (9).

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