Antenna with resonator having a filtering coating and system...

Details Antenna with resonator having a filtering coating and system... Antenna with resonator having a filtering coating and system...

H - Electricity

01

Q

H01Q 15/00 (2006.01) H01Q 19/17 (2006.01)

Patent

CA 2682273

The invention relates to an antenna for transmitting or receiving electromagnetic waves at a working frequency f.tau., that comprises a resonator with a filtering (49) coating that covers the major portion of the upper face of a reflector (22) located inside a cavity (36), said coating (40) being capable of removing all the electromagnetic waves having a frequency f.tau. and propagating in a direction parallel to the upper face of the reflector, without removing all the electromagnetic waves having a frequency f.tau. and propagating in a direction perpendicular to the upper face of the reflector.

Cette antenne conçue pour émettre ou recevoir des ondes électromagnétiques à une fréquence de travail f.tau. comporte un résonateur équipé d'un revêtement filtrant (40) recouvrant la majorité de la face supérieure d'un réflecteur (22) située à l'intérieur d'une cavité (36), ce revêtement (40) étant apte à éliminer toutes ondes électromagnétiques de fréquence f.tau. se propageant dans une direction parallèle à la face supérieure du réflecteur (22) sans pour autant éliminer toutes ondes électromagnétiques à la fréquence f.tau. se propageant dans une direction perpendiculaire à la face supérieure du réflecteur.

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