Communications: radio wave antennas – Antennas – Spiral or helical type
Patent
1976-02-03
1977-09-27
Lieberman, Eli
Communications: radio wave antennas
Antennas
Spiral or helical type
H01Q 136
Patent
active
040514811
ABSTRACT:
An antenna is formed of a flattened tube or plate rectangular in cross section and arranged on a tubular support member in the form of a helix in which the outside diameter of the helix decreases gradually from the base end to the outer end. The wide faces of the helical tube or plate are arranged to face in the direction of the axis of the tubular support member.
REFERENCES:
patent: 3509578 (1970-04-01), Cribb
patent: 3629937 (1971-12-01), Fredriksson
patent: 3683393 (1972-08-01), Self
patent: 3836979 (1974-09-01), Kurland et al.
Groff, Jr. Emory L.
Lieberman Eli
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