Composite rooftop antenna for terrestrial and satellite...

H - Electricity – 01 – Q

Patent

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Details

H01Q 15/23 (2006.01) H01Q 5/00 (2006.01) H01Q 19/06 (2006.01) H01Q 19/17 (2006.01) H01Q 21/28 (2006.01)

Patent

CA 2206647

An antenna structure includes a plurality of vertical directed antennas mounted on an insulated cylindrical substrate. A parabolic reflecting antenna ismounted at one end of the cylindrical substrate cavity and a dielectric lens admits radiation through the cylindrical cavity to the parabolic reflector. Optical detectors are located on the cylindrical substrate periphery and exposed to optical signals through an InfraRed (IR) optical filter.

L'invention est une structure d'antenne comportant une pluralité d'antennes verticales montées sur un substrat cylindrique isolé. Un réflecteur parabolique est monté à l'une des extrémités de la cavité formée par ce substrat cylindrique et une lentille diélectrique transmet le rayonnement à ce réflecteur via cette cavité cylindrique. Des détecteurs optiques sont montées sur le pourtour du substrat et sont exposés aux signaux lumineux par l'intermédiaire d'un filtre à infrarouge.

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