Communications: radio wave antennas – Antennas – Logarithmically periodic
Patent
1976-12-27
1979-03-20
Smith, Alfred E.
Communications: radio wave antennas
Antennas
Logarithmically periodic
343800, 343890, H01Q 1110, H01Q 2120, H01Q 112
Patent
active
041456963
ABSTRACT:
An omnidirectional, broad-band antenna for installation on a vertical mast. The antenna is formed of one or more superposed arrays of elementary antennas in the form of log-periodic alignments of vertical dipoles. Particularly for use in ground stations for ground-air communications.
REFERENCES:
patent: 3254343 (1966-05-01), Laub et al.
patent: 3329959 (1967-07-01), Laub et al.
patent: 3618103 (1971-11-01), Ringland
patent: 3943522 (1976-03-01), Ben-Dov
patent: 4005432 (1977-01-01), Beccario
Isbell, Log Periodic Dipole Arrays, in IRE Transactions on Antennas and Propagation, vol. AP-8, No. 3, pp. 263-265, 1960.
Barlow Harry
Plottel Roland
Smith Alfred E.
Societe Lannionnaise d'Electronique Sle-Citerel
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