Spring tunable helical whip antenna

Details Spring tunable helical whip antenna Spring tunable helical whip antenna

1978-03-27

1979-08-07

Lieberman, Eli

Communications: radio wave antennas

Antennas

With vehicle

343752, 343895, H01Q 136, H01Q 132

Patent

active

041639812

ABSTRACT:
A spring tunable antenna for mounting to the frame of a vehicle. The antenna includes a base adapted to be mounted on the vehicle, a flexible rod supported at its lower end in the base, and a low-resistance wire conductor wound helically around the rod. The conductor windings in the tip region of the rod are selectively movable, whereby the antenna may be tuned.

REFERENCES:
patent: 1581133 (1926-04-01), Mackenzie
patent: 2966678 (1960-12-01), Harris
patent: 2966679 (1960-12-01), Harris
patent: 3624662 (1971-11-01), Feder
patent: 3858220 (1974-12-01), Arnow

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