Communications: radio wave antennas – Antennas – With lumped reactance filter in active antenna
Patent
1975-11-20
1977-12-06
Lieberman, Eli
Communications: radio wave antennas
Antennas
With lumped reactance filter in active antenna
343727, 343822, 343886, H01Q 114, H01Q 2128
Patent
active
040620174
ABSTRACT:
An antenna configuration in which multiple frequency band coverage is obtained in simple structures. This invention is most useful in the high-frequency spectrum where other techniques of providing multiple frequency operation become physically difficult to implement. The antenna configuration includes a multiplicity of conductor elements, a coaxial cable network for interconnection of the elements and connection to a feedline, and a high permeability core to aid decoupling to the feedline exterior from the antenna proper.
REFERENCES:
patent: 3534371 (1970-10-01), Seavey
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