Communications: radio wave antennas – Antennas – Wave guide type
Patent
1997-02-04
1998-11-24
Gensler, Paul
Communications: radio wave antennas
Antennas
Wave guide type
333 21A, 343756, H01Q 1300
Patent
active
058414045
ABSTRACT:
An electromagnetic wave transmitting and transferring device with high polarization isolation performance is provided which comprises a circular waveguide and a rectangular waveguide. The circular waveguide has a hollow configuration which has an opening at a front end portion and a closed surface at the rear end. The opening of the circular waveguide is provided with a horn. The circular waveguide is provided with a polarizer, a first probe, a metallic post and a closed end surface serving as a conductive back surface, wherein the first probe is perpendicular to the metallic post and each of them are inclined with respect to the polarizer by 45 degrees. The rectangular waveguide is perpendicular to the circular waveguide and the central axis of the rectangular waveguide is in alignment with the first probe. The rectangular waveguide is provided with a second probe and a conductive back surface serving as closed end surface. The second probe is disposed on a central axis of the wide side of the rectangular waveguide to collect the reflected signal which is polarized and parallel to the metal post.
REFERENCES:
patent: 4737741 (1988-04-01), Wong
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