Multi-band antenna for bundled broadband satellite internet...

Details Multi-band antenna for bundled broadband satellite internet... Multi-band antenna for bundled broadband satellite internet...

H - Electricity

01

Q

H01Q 19/19 (2006.01) H01Q 1/24 (2006.01) H01Q 13/00 (2006.01) H01Q 19/13 (2006.01)

Patent

CA 2440812

A multi-band reflector antenna has a main reflector (12) defining a prime focus (11) and a frequency selective surface sub-reflector (50) defining an image focus (40). One or more transmitter or receiver feeds (32, 48) are provided at each of the prime focus and image focus. In one application as a ground satellite terminal, the antenna supports ka-band two-way broadband Internet access bundled with multi-satellite Ku-band direct broadcast television service.

L'invention concerne une antenne réflecteur toutes bandes comportant un réflecteur principal (12) qui définit un foyer principal (11) et un sous-réflecteur (50) de surface sélective en fréquence (FSS) qui définit un foyer d'image (40). Au moins une alimentation d'émetteur ou de récepteur (32, 48) est fournie au niveau du foyer principal comme du foyer d'image. Dans une application de terminal satellite terrestre, l'antenne peut gérer un accès Internet à large bande bidirectionnel en bande Ka groupé avec un service de télévision directe par satellite (TDS) en bande Ku multisatellites.

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