Patent ID: 6184840
Filing Date: 2001-02-06
Classification: H01Q

Abstract:
A parabolic reflector antenna, comprising:a first cover;a second cover;a main-dish, which is connected to the interior of the second cover and contains amain reflecting surface defined by the formula ##EQU5##and a focus F, the F value being between 75 mm and 100 mm;a sub-dish, which is connected to the interior of the first cover and contains asub-reflecting surface defined by the formula ##EQU6##an internal focus and an external focus, the internal focus coinciding with the parabolic focus, a being between 11 mm and 25 mm, and b being between 24 mm and 36 mm; anda feedback device, which is connected to the second cover and contains a signal emitter/receiver in electrical communication with a signal source for electromagnetic radiation, the center of the signal emitter/receiver coinciding with the hyperbolic external focus.