Communications: radio wave antennas – Antennas – Wave guide type
Patent
1979-03-26
1980-09-30
Lieberman, Eli
Communications: radio wave antennas
Antennas
Wave guide type
343905, 343774, H01Q 1304
Patent
active
042258693
ABSTRACT:
A compact multi-cone antenna is disclosed wherein quarter wavelength cones re utilized at each slot of a slotted ring antenna. The cones are selected to be quarter wavelength in order to provide an impedance transformation for better impedance matching with free space. The individual cones are chosen to have different characteristic impedances in order to provide the antenna with a sharp disc-like radiation pattern.
REFERENCES:
patent: 2175252 (1939-10-01), Carter
patent: 2193859 (1940-03-01), Buschbeck
patent: 2471021 (1949-05-01), Bradley
patent: 2724052 (1955-11-01), Boyer
patent: 2866194 (1958-12-01), Stavis et al.
patent: 3159838 (1964-12-01), Facchine
Edelberg Nathan
Elbaum Saul
Gibson Robert P.
Lieberman Eli
The United States of America as represented by the Secretary of
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