Ultra-wideband magnetic antenna

H - Electricity – 01 – Q

Patent

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Details

H01Q 13/10 (2006.01) H01Q 9/00 (2006.01) H01Q 9/28 (2006.01) H01Q 21/29 (2006.01)

Patent

CA 2303353

An ultra-wideband magnetic antenna includes a planar conductor having a first and a second slot about an axis. The slots are substantially leaf-shaped having a varying width along the axis. The slots are interconnected along the axis. A cross polarized antenna system is comprised of an ultra-wideband magnetic antenna and an ultra-wideband dipole antenna. The magnetic antenna and the dipole antenna are positioned substantially close to each other and they create a cross polarized field pattern. The present invention provides isolation between a transmitter and a receiver in an ultra-wideband system. Additionally, the present invention allows isolation among radiating elements in an array antenna system.

La présente invention concerne une antenne magnétique à bande ultra large comprenant un conducteur planaire doté d'une première et d'une seconde fentes autour d'un axe. Les fentes sont sensiblement en forme de feuille, leur largeur variant le long de l'axe. Les fentes sont connectées le long de l'axe. Un système d'antenne à polarisation orthogonale est constitué d'une antenne magnétique à bande ultra large et d'une antenne doublet à bande ultra large. L'antenne magnétique et l'antenne doublet sont placées, sensiblement, proches l'une de l'autre et créent un modèle de champ à polarisation orthogonale. La présente invention concerne également l'isolation entre un émetteur et un récepteur dans un système à bande ultra large. La présente invention permet, en outre, l'isolation des éléments rayonnants dans un système d'antenne réseau.

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