Patent ID: 6456253
Filing Date: 2002-09-24
Classification: H01Q

Abstract:
Reflector antenna adapted to receive electromagnetic radiation beams from a radiation source and including a main reflector and a rotatable sub-reflector, the sub-reflector comprisinga reflecting surface located in front of the main reflector between the main reflector and the radiation source, and a cylindrical shaft extending in a direction parallel to a main axis of the main reflector and rotatably supporting the sub-reflector, wherein the sub-reflector is in the form of a rotationally symmetric body that is made of a non-reflecting solid material that does not reflect the electromagnetic radiation beams, and further comprises a reflecting surface embedded in the non-reflecting solid material, and wherein the non-reflecting solid material has the form of a cylinder and is made of two parts connected with one another, wherein an end of one part opposite the other part includes the reflecting surface, and an end of the other part formfittingly engages with the reflecting surface.