Magnified beam waveguide antenna system for low gain feeds

Details Magnified beam waveguide antenna system for low gain feeds Magnified beam waveguide antenna system for low gain feeds

1997-11-06

2000-05-09

Le, Hoanganh

Communications: radio wave antennas

Antennas

Wave guide type

343761, 343781P, H01Q 1914

Patent

active

060610336

ABSTRACT:
An antenna system includes a beam source of a microwave wave beam, a gimbaled antenna, and a waveguide including a mirror system that directs the microwave wave beam from the beam source to the antenna. The mirror system is formed of a series of mirrors operable to reflect the microwave wave beam and includes a first paraboloid mirror positioned to receive the microwave wave beam from the beam source, a first planar mirror positioned to receive the microwave wave beam from the first paraboloid mirror, a second paraboloid mirror positioned to receive the microwave wave beam from the first planar mirror, and a second planar mirror lying on the system azimuth axis and positioned to receive the microwave wave beam from the second paraboloid mirror. The first planar mirror may be controllably tilted to finely steer the aim of the microwave wave beam to the antenna.

REFERENCES:
patent: 3845483 (1974-10-01), Soma et al.
patent: 4186402 (1980-01-01), Mizusawa et al.
patent: 4525719 (1985-06-01), Sato et al.
patent: 5673057 (1997-09-01), Toland et al.

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