Helical antenna

Details Helical antenna Helical antenna

1977-10-03

1979-07-17

Lieberman, Eli

Communications: radio wave antennas

Antennas

With lumped reactance for loading antenna

343895, H01Q 136

Patent

active

041617371

ABSTRACT:
A stepped, tapered helical antenna has tightly wound loading coils between each of the different helical sections, and the loading coils are wound in a stepped, tapered mathematical progression. Improved operating characteristics are obtained by embedding the upper section of the antenna winding in a permanently magnetized dielectric material and adding parasitic copper foil windings between the turns of the helical windings of the antenna to increase its radiating surface and broaden its band of response.

REFERENCES:
patent: 2755469 (1956-07-01), Etheridge
patent: 2938210 (1960-05-01), Harris
patent: 2958081 (1960-10-01), Dyson
patent: 2966679 (1960-12-01), Harris
patent: 3445849 (1969-05-01), Sanford

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