Toroidal antenna

H - Electricity – 01 – Q

Patent

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Details

H01Q 1/36 (2006.01) H01Q 7/00 (2006.01) H01Q 11/08 (2006.01) H01Q 11/12 (2006.01)

Patent

CA 2223244

An antenna is disclosed that has windings that are contrawound in segments on a toroid form and that have opposed currents on selected segments. An antenna is disclosed that has one or more insulated conductor circuits with windings that are contrawound around and over a multiply connected surface, such as a toroidal surface. The insulated conductor circuits may form one or more endless conductive paths around and over the multiply connected surface. The windings may have a helical pattern, poloidal peripheral pattern or may be constructed from a slotted conductor on the toroid. Poloidal loop winds are disclosed with a toroid hub on a toroid that has two plates that provides a capacitive feed to the loops, which are selectively connected to one of the plates. Associated methods are also disclosed.

L'invention concerne une antenne dont les bobinages sont constitués de segments enroulés en sens opposés sur un élément de forme toroïdale et qui conduisent des courants opposés sur des segments sélectionnés. L'invention concerne une antenne possédant au moins un circuit conducteur isolé pourvu de bobinages enroulés en sens opposés autour d'une surface à connexions multiples, et sur cette surface, telle qu'une surface toroïdale. Les circuits conducteurs isolés peuvent constituer au moins un chemin conducteur sans fin autour de la surface à connexions multiples et sur celle-ci. Les bobinages peuvent avoir une forme hélicoïdale, une forme périphérique coloïdale ou peuvent être constitués d'un conducteur fendu placé sur l'élément toroïdal. L'invention concerne des bobinages à boucles poloïdales pourvus d'un moyeu toroïdal placé sur un élément toroïdal comportant deux plaquettes permettant l'alimentation capacitive des boucles qui sont connectées, de façon sélective, à l'une des plaquettes. L'invention concerne également des procédés associés.

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