Wave transmission lines and networks – Wave mode converters
Patent
1999-02-22
2000-12-26
Lee, Benny
Wave transmission lines and networks
Wave mode converters
333161, H01P 1165
Patent
active
061666106
ABSTRACT:
A tunable polarizer having a 90 degree phase shift section and two adjustable, or rotatable, 45 degree phase shift sections. Each section is separated by spacer to maintain independence and avoid interaction. When the two 45 degree phase shift sections and are orthogonal to each other, the polarization detected is determined by the 90 degree phase shift section which provides compatibility with circularly polarized signal. When the two 45 degree phase shift sections and are aligned, the polarizer is in a linear polarization compatibility mode.
REFERENCES:
patent: 2438119 (1948-03-01), Fox
patent: 2607849 (1952-08-01), Purcell et al.
patent: 3166724 (1965-01-01), Allen
patent: 3626335 (1971-12-01), Hord et al.
patent: 4672334 (1987-06-01), Saad
Keith Alan R.
Ramanujam Parthasarathy
Gudmestad Terje
Hughes Electronics Corporation
Lee Benny
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