Communications: radio wave antennas – Antennas – With lumped reactance for loading antenna
Patent
1977-01-05
1978-05-30
Smith, Alfred E.
Communications: radio wave antennas
Antennas
With lumped reactance for loading antenna
343715, H01Q 918, H01Q 2106
Patent
active
040926460
ABSTRACT:
A whip antenna is constructed in three sections which screw together end-to-end to form the complete antenna. Each section comprises a flexible fiberglass rod which is surrounded by a sleeve of braided copper wire over a major part of its length, this sleeve serving to pass radio frequency current along the section during use of the antenna. Two of the sections also each provide a capacitor which is connected in the radio frequency path along the antenna. Each of these capacitors is formed by two strips of copper tape which constitute the capacitor electrodes and which lie opposing one another on the surface of the fiberglass rod of the appropriate section.
REFERENCES:
patent: 2715184 (1955-08-01), Cork
patent: 2966679 (1960-12-01), Harris
patent: 3541554 (1970-11-01), Shirey
Moore David K.
Smith Alfred E.
The Marconi Company Limited
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