Microstrip antennas and multiple radiator array antennas

Details Microstrip antennas and multiple radiator array antennas Microstrip antennas and multiple radiator array antennas

1988-12-23

1990-04-03

Hille, Rolf

Communications: radio wave antennas

Antennas

Microstrip

343853, H01Q 138

Patent

active

049144456

ABSTRACT:
Microstrip antennas disclosed have one or a plurality of radiators arranged in selected arrays wherein a different and preferably lower dielectric layer is provided between the radiator and ground reference than between the feedline and ground reference. Relatively inexpensive and durable dielectric layers of polyethylene having a dielectric constant between 1.05 and 1.5 have been found suitable for between the radiator and ground reference and air for between the feedlines and ground reference. Arrays of four of the radiators disclosed provide for both horizontal and vertical polarization, isolated polarizations and circular polarization of wave energy. The radiators are series-corporate fed and corporate fed.

REFERENCES:
patent: Re29911 (1979-02-01), Munson
patent: 3803623 (1974-04-01), Charlot, Jr.
patent: 3987455 (1976-10-01), Olyphant, Jr.
patent: 3995277 (1976-11-01), Olyphant, Jr.
patent: 4173019 (1979-10-01), Williams
patent: 4180817 (1979-12-01), Sanford
patent: 4686535 (1987-08-01), Lalezari
patent: 4761653 (1988-08-01), Owens et al.

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