Radio antennae structures employing helical conductors

Details Radio antennae structures employing helical conductors Radio antennae structures employing helical conductors

1980-04-29

1982-01-05

Lieberman, Eli

Communications: radio wave antennas

Antennas

Spiral or helical type

H01Q 136

Patent

active

043097073

ABSTRACT:
The invention relates to compact radio antennae structures having wide bandwidth characteristics, the antennae structure including a plurality of end-fed antennae, and a terminal connected to end feed the antennae, wherein each of the antennae comprise a pair of extended conductors disposed in helical insulated windings of the same diameter and opposite chirality, the windings being coaxially, longitudinally coextensive and connected together at one end to form said end-feed, and wherein the antennae are each of different electrical lengths.

REFERENCES:
patent: 2153975 (1939-04-01), Smith et al.
patent: 2966678 (1960-12-01), Harris

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