Communications: radio wave antennas – Antennas – With coupling network or impedance in the leadin
Patent
1982-11-19
1989-04-18
Sikes, William L.
Communications: radio wave antennas
Antennas
With coupling network or impedance in the leadin
342375, H01Q 2122
Patent
active
048231444
ABSTRACT:
A microwave radiating system including an antenna composed of a plurality of vertically spaced elements and circuit members connected to feed the elements in a manner such that the amplitude of the energy distribution among the elements and the second derivative of the phase variation in the vertical direction of the antenna each have a maximum between the bottom and the center of the antenna.
REFERENCES:
patent: 3124802 (1964-03-01), Von Dallarmi
patent: 3845490 (1974-10-01), Manwarren et al.
patent: 3903524 (1975-09-01), Giannini
patent: 3964067 (1976-06-01), Lucas
patent: 4041501 (1977-08-01), Frazita et al.
patent: 4117494 (1978-09-01), Frazita
patent: 4342997 (1982-08-01), Evans
Sikes William L.
The Marconi Company Limited
Wimer Michael C.
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