Dipatch antenna

Details Dipatch antenna Dipatch antenna

1985-09-09

1987-11-24

Nussbaum, Marvin L.

Communications: radio wave antennas

Antennas

Microstrip

343705, 343745, 333246, 333247, H01Q 138, H01Q 128

Patent

active

047092394

ABSTRACT:
A vertically polarized omnidirectional antenna adapted for use in airborne, Very High Frequency (VHF) applications is disclosed. The antenna is configured as a conductive patch spaced over its virtual image. The addition of a number of switching devices allows operation over a five-to-one bandwidth while maintaining a two-to-one Voltage Standing Wave Ratio.

REFERENCES:
patent: 3665480 (1972-05-01), Fassett
patent: 3921177 (1975-11-01), Munson
patent: 4051480 (1977-09-01), Reggia et al.
patent: 4053895 (1977-10-01), Malagisi
patent: 4167010 (1979-09-01), Kerr
patent: 4210793 (1980-07-01), Fournet-Fayas
patent: 4259670 (1981-03-01), Schiavone
patent: 4367474 (1983-01-01), Schaubert et al.
patent: 4379296 (1983-04-01), Farrar et al.
patent: 4410891 (1983-10-01), Schaubert et al.
D. H. Schaubert, H. S. Jones, and F. Reggia; "Conformal Dielectric-Filled Edge-Slot Antennas with Inductive-Post Tuning", IEEE Transactions on Antennas and Propagation, vol. AP-27, No. 5, Sep. 1979, pp. 713 through 716.
D. H. Schaubert, F. G. Farrar, Arthur Sindoris, and S. T. Hayes; "Microstrip Antennas with Frequency Agility and Polarization Diversity", IEEE Transactions on Antennas and Propagation, vol. AP-29, No. 1, Jan. 1981, pp. 118-123.

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