Circular polarity elliptical horn antenna

H - Electricity – 01 – Q

Patent

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Details

H01Q 19/17 (2006.01) H01Q 13/02 (2006.01)

Patent

CA 2567417

A relatively low cost, easy to install and aesthetically pleasing digital video broadcast from satellite (DVBS) elliptical horn antenna designed as part of a reflector antenna system (300) to receive satellite television broadcast signals with circular polarity. This type antenna may be implemented with a single antenna feed horn with multiple feed horns that may be arranged separately or in one or more integral feed horn blocks (304, 306). The antennas may be designed to achieve acceptable circular polarity performance over broad and multiple frequency bands through the use of oppositely sloped differential phase differential sections.

Une antenne en cornet elliptique relativement abordable, facile à installer et esthétiquement agréable pour la diffusion vidéo numérique par satellite (DVB-S), conçue comme une partie d~un système d~antenne à réflecteur pour recevoir les signaux de vidéo numérique par polarisation circulaire. Ce type d~antenne peut être instaurée avec un simple cornet d~alimentation, avec un cornet d~alimentation multiple qui peut être arrangé séparément ou en un ou plusieurs bloc entier de cornets d~alimentation (304, 306). Ces antennes peuvent être conçues pour réaliser une performance acceptable de polarisation circulaire comparée aux bandes de fréquences larges et multiples, par l~utilisation de phases et sections différentielles inclinées à l~opposé.

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