Wave transmission lines and networks – Plural channel systems – Having branched circuits
Patent
1980-05-28
1982-01-12
Gensler, Paul L.
Wave transmission lines and networks
Plural channel systems
Having branched circuits
333 21A, 333 17R, 343100PE, 455 60, 455 63, H04B 700, H01P 1161
Patent
active
043108130
ABSTRACT:
A cross polarization compensating system, in which two elliptically polarized waves of opposite polarities are applied to a cascade connection of two successively connected rotatable 90.degree. phase shifters and an Orthomode (Trademark) transducer. Two cross polarized wave components of the two elliptically polarized waves are detected from the two perpendicularly intersecting output terminals of the Orthomode (Trademark) transducer. Two in-phase components of the same phase as their co-polarized components of the two cross-polarized wave components and two orthogonal components each having a phase difference of 90.degree. from corresponding one of the co-polarized waves of the two cross-polarized wave components are detected from the two output terminals of the Orthomode (Trademark) transducer. One of the two phase shifters is controlled by an addition output of the two in-phase components while the other of the two phase shifters is controlled by a difference output between the two orthogonal components, so that two elliptically polarized waves at the output terminals of the Orthomode (Trademark) transducer are made equal in the cross polarization, and so that a phase difference between the co-polarized wave components and a phase difference between the cross-polarized wave components are made equal in magnitude and opposite in sign.
REFERENCES:
patent: 4027105 (1977-05-01), Kannowade
patent: 4090137 (1978-05-01), Soma et al.
patent: 4233576 (1980-11-01), Pelchat
Arai Makoto
Baba Noboru
Inagaki Kazunori
Kurihara Hiroshi
Yamada Matsuichi
Adams Bruce L.
Burns Robert E.
Gensler Paul L.
Kokusai Denshin Denwa Kabushiki Kaisha
Lobato Emmanuel J.
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