Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1983-07-18
1986-04-08
Lieberman, Eli
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343768, 343771, H01Q 1310, H01Q 330
Patent
active
045816140
ABSTRACT:
A modular integrated multi-element phased array antenna. The antenna is comprised of a supporting structure having a plurality of slotted, ridged waveguide radiator elements longitudinally extending therein and a single series ridged waveguide feed structure, having a first and second plurality of waveguide channels formed therein. The feed structure is supported by at least a portion of the supporting structure and receives microwave energy from a source and then couples the energy to the first plurality of waveguide channels. The antenna is further comprised of a multi-element phase shifter module positioned in juxtaposition with the feed structure for receiving the microwave energy from each of the first plurality of waveguide channels. The phase shifted energy is coupled from the phase shifter module to each of the second plurality of waveguide channels. Means is also provided for coupling the phase shifted energy from each of the second plurality of waveguide channels to each of the waveguide radiator elements, whereby the phase shifted energy in the form of a desired microwave beam pattern is transmitted from the radiator elements to a desired location.
REFERENCES:
patent: 3220007 (1965-11-01), Thourel
Baker Carl W.
General Electric Company
Lang Richard V.
Lieberman Eli
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