Communications: radio wave antennas – Antennas – With polarization filter or converter
Patent
1986-04-14
1989-05-09
Sikes, William L.
Communications: radio wave antennas
Antennas
With polarization filter or converter
343786, 343766, 333 21A, H01Q 312, H01Q 1302
Patent
active
048293130
ABSTRACT:
A drive system for a twistable septum in a feedhorn for use in satellite communications antenna systems. The drive system includes a flexible drive rod, coupled to a drive motor, which bends to accommodate off-center coupling with the septum drive wheel.
REFERENCES:
patent: 2429601 (1947-10-01), Biskeborn et al.
patent: 2541030 (1951-02-01), Busignies
patent: 2628278 (1953-02-01), Zaleski
patent: 2987722 (1961-06-01), Hefele et al.
patent: 3296558 (1967-01-01), Bleackley
patent: 3307183 (1967-02-01), Adam
patent: 4503379 (1985-03-01), Raiman
patent: 4504836 (1985-03-01), Seavey
patent: 4574258 (1986-03-01), Cloutier
Chaparral Communications
Sikes William L.
Wimer Michael C.
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