|
(11) | EP 1 798 814 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
|
|
|
|
|||||||||||||||||||||||
| (54) | Antenna and antenna-feeder device |
| (57) An antenna comprises: a main reflector being a body of revolution of arbitrary curve
which axis diverges from axis of the revolution; a sub-reflector being a body of the
revolution of arbitrary curve along the axis of revolution, having a circle and a
vertex pointing to the main reflector and being placed between the circle and the
main reflector; a radiator being located along the axis of revolution and being placed
between the main reflector and the sub-reflector; and wherein the main reflector and
the sub-reflector are: - z, r are coordinates of the main reflector and the sub-reflector measured in millimeters, - Index m corresponds to the main reflector, index s to the sub-reflector, - D is the main reflector diameter measured in millimeters. |