Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1975-10-02
1976-10-26
Lieberman, Eli
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343876, 343895, H01Q 944, H01Q 324
Patent
active
039887375
ABSTRACT:
A four element television frequency antenna of the dipole type, for indoor reception use, the four dipole rods being pivotally connected to a common supporting bracket so as to be capable of different degrees of positioning, the bracket being so designed as to pre-determine the usual or normal positions of reception adjustment. The antenna is of a size, bulk, and configuration to optionally enable it to be bodily horizontally disposed largely under a television receiver so as to be supported by the floor of a room. The four dipole rods are connectable to a standard selector switch structure, separate therefrom, and by which, through conventional means, various effective directivity patterns may be manually selected.
REFERENCES:
patent: 2636986 (1953-04-01), Riderman
patent: 3228031 (1966-01-01), Kitamura et al.
patent: 3261019 (1966-07-01), Lundy
Baker S. Stephen
Lieberman Eli
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