An antenna comprises: a main reflector being a body of revolution of parabolic shape; a sub-reflector being a body of the revolution of elliptic shape having a circle and a vertex oriented to the main reflector and being placed between the circle and the main reflector, one focal point of the sub-reflector...http://www.google.fr/patents/US20060267852?utm_source=gb-gplus-shareBrevet US20060267852 - Antenna-feeder device and antenna
Numéro de demande: 11/287,979 Numéro de publication: US 2006/0267852 A1 Date de dépôt: 28 nov. 2005 Brevet délivré: US7408522 ( Date de délivrance 5 août 2008)
