Broadcasting set comprising a wire-dipole rotary antenna and rot

Details Broadcasting set comprising a wire-dipole rotary antenna and rot Broadcasting set comprising a wire-dipole rotary antenna and rot

1994-10-14

1996-10-29

Hajec, Donald T.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343815, H01Q 2112

Patent

active

055701019

ABSTRACT:
The disclosure relates to broadcasting by means of rotary antennas using wire dipoles. Two distinct feeder channels respectively leave two transmitters, go through the joint that separates the fixed support from the mobile part of the rotary antenna, then go out horizontally, on either side of the mast, taking support on the bearing structure of the rotary antenna to then rise vertically to the supply points of the dipoles of two distinct vertical groupings of the dipoles: it is thus possible to carry out two simultaneous transmissions from one and the same rotary antenna. Application to broadcasting in decameter waves.

REFERENCES:
patent: 3914715 (1975-10-01), Hubing et al.
patent: 4001832 (1977-01-01), Chesneau et al.
patent: 4001833 (1977-01-01), Chesneau et al.
patent: 4543549 (1985-09-01), Meltzer et al.
patent: 4780725 (1988-10-01), Ursenbach
patent: 5012170 (1991-04-01), Atlas
patent: 5146233 (1992-09-01), Ursenbach
patent: 5162807 (1992-11-01), Ursenbach et al.
patent: 5175526 (1992-12-01), Martin
patent: 5270725 (1993-12-01), Ursenbach et al.
Funkschau, No. 6, 1965, pp. 141-142, Karl Tetzner, "Drehstandantennen Fur Kurzwellen-Rund Funksender".
Telecommunications and Radio Engineering, vol. 32/33, No. 1, Jan. 1978, pp. 1-11, G.Z. Eisenberg, et al., "Antenna-Feeder Devices Antennas for Radio Broadcasting, Radio Communications and Television".
Telecommunications and Radio Engineering, vol. 33/34, No. 9, Sep. 1979, pp. 1-5, S.P. Belousov, et al., "Antennas-Feeder Devices Antenna Arrays with a Wide Scanning Sector".

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