Multifrequency microstrip antenna

Details Multifrequency microstrip antenna Multifrequency microstrip antenna

1977-02-07

1978-05-09

Smith, Alfred E.

Communications: radio wave antennas

Antennas

Microstrip

343846, 343853, H01Q 1310, H01Q 128

Patent

active

040890031

ABSTRACT:
Three spaced apart electrically conducting discs coaxially mounted with dielectric material therebetween, one outside disc forming a ground plane and the center disc being driven by a lead through the ground plane to form a first microstrip antenna resonant at a first frequency, and the center disc forming a ground plane for the other outside disc which if fed by a lead extending through both of the other discs on a plane of zero electrical field for the second plate and along a radius orthogonal with a radius through the first lead, to form a second microstrip antenna resonant at a second frequency.

REFERENCES:
patent: 3541557 (1970-11-01), Miley
patent: 3739386 (1973-06-01), Jones, Jr.
patent: 3803623 (1974-04-01), Charlot, Jr.

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