Antennas disposed on separate ground planes

Details Antennas disposed on separate ground planes Antennas disposed on separate ground planes

1996-01-19

1998-08-11

Hajec, Donald T.

Communications: radio wave antennas

Antennas

With grounding structure

343713, 343727, H01Q 148

Patent

active

057933375

ABSTRACT:
In an aerial arrangement with a monopole aerial having a radiator and a counterweight, in which the radiator and the counterweight are each connected at opposite feed points to one conductor of a lead, a largely circular azimuthal pattern is obtained while avoiding the irradiation of the vehicle passenger compartment by using at least two parallel-connected monopole aerials interconnected via a line transformer.

REFERENCES:
patent: 2141489 (1938-12-01), Roseby
patent: 3039096 (1962-06-01), Josephson
patent: 3739392 (1973-06-01), Ross et al.
patent: 4675685 (1987-06-01), Finken
patent: 4719470 (1988-01-01), Munson
patent: 4814777 (1989-03-01), Monser
patent: 4912482 (1990-03-01), Woloszczuk
patent: 5204979 (1993-04-01), Schenkry et al.
patent: 5210773 (1993-05-01), Schmid et al.
patent: 5457467 (1995-10-01), Schenkyr et al.
Conference Proceedings Military Microwaves 88, Jul. 1988, London, England, pp. 299-307, "High Power Stripline Corporate Feed Networks".
1979 International Symposium Digest Antennas and Propagation, vol. II, Jun. 1979, Seattle, Washington, pp. 600-683, Fukuzawa et al "The Characteristics of a Modified Duoconical Monopole with Curved Surface Transition".

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