Wave transmission lines and networks – Miscellaneous – Multipactor applications
Patent
1976-09-16
1977-11-29
Smith, Alfred E.
Wave transmission lines and networks
Miscellaneous
Multipactor applications
333 21A, 333 21R, H01P 110, H01P 116, H01P 512, H01P 117
Patent
active
040607810
ABSTRACT:
A simplified waveguide switch is disclosed having a rotatable quarter wave plate for generating selected amounts of right hand and left-hand circular polarized waves. A linearly polarized signal, in the TE.sub.11 mode, is launched into a cylindrical waveguide member. A quarter-wave plate is disposed within the cylindrical waveguide and imparts a right or left-hand circular polarization to the linear wave depending upon the orientation of the quarter wave plate with respect to the linear wave. The rotation angle of the quarter wave plate is adjusted by a stepping motor.
REFERENCES:
patent: 2438119 (1948-03-01), Fox
patent: 2443612 (1948-06-01), Fox
patent: 2513334 (1950-07-01), Kirkman et al.
patent: 3142061 (1964-07-01), Allen
patent: 3622921 (1971-11-01), Heeren
Southworth-"Principles and Applications of Waveguide Transmission" D. Van Nostrand, New York, 1961; title page and pp. 327-335.
Hudspeth Thomas
Keeling Harmon H.
Cardenas Rafael A.
Hughes Aircraft Company
MacAllister W. H.
Nussbaum Marvin
Smith Alfred E.
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