Polarized signal receiver probe

Details Polarized signal receiver probe Polarized signal receiver probe

1986-03-26

1988-07-19

Laroche, Eugene R.

Communications: radio wave antennas

Antennas

Wave guide type

333 21A, H01P 1165

Patent

active

047588411

ABSTRACT:
A polarized signal receiver waveguide assembly, or feedhorn, for receiving a selected one of linearly polarized electromagnetic signals in one waveguide of circular cross-section and for launching or transmitting the selected signal into a second waveguide, the axes of the waveguides being disposed at right angle. The first waveguide has a closed end wall, either flat or, alternatively, formed as a hemispherical cavity having a hemispherical concave surface. A probe comprising a signal receiver portion disposed in a plane perpendicular to the axis of the first waveguide and a launch or transmitter portion having its axis perpendicular to the axis of the second waveguide has its launch or transmitter portion mounted in a controllably rotatable dielectric rod, such that rotation of the rod causes rotation of the signal receiver portion for alignment with a selected one of the polarized signals. The transmission line between the probe signal receiver portion and launch or transmitter portion consists of a single conductor in the form of a solid disk-shaped member extending at an angle to the axis of symmetry of the first waveguide.

REFERENCES:
patent: 2548821 (1951-04-01), Riblet et al.
patent: 2742612 (1956-04-01), Cohn
patent: 3681714 (1972-08-01), Terakawa
patent: 4414516 (1983-11-01), Howard
patent: 4528528 (1985-07-01), Augustin
patent: 4574258 (1986-03-01), Cloutier

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