Helical antenna system

Communications: radio wave antennas – Antennas – Spiral or helical type

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Details

343840, H01Q 1917, H01Q 2124

Patent

active

057740950

ABSTRACT:
A helical antenna system for receiving simultaneous signals with different polarizations, with the aid of helical feeders and without gain degradation. Two or more helical feeders are provided for each polarization direction.

REFERENCES:
patent: 4001834 (1977-01-01), Smith
Patent Abstracts of Japan, vol. 3, No. 60 (E-112) Mar. 1979, JP 54038745 (Tanaka).
Patent Abstracts of Japan, vol. 13, No. 230 (E-764), May 1989), JP 10037107. (Ota).

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