Multiple resonance radio frequency microstrip antenna structure

Communications: radio wave antennas – Antennas – Microstrip

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343829, H01Q 138

Patent

active

040706761

ABSTRACT:
A multiple resonance microstrip antenna radiator which includes a plurality of stacked electrically conductive element surfaces disposed above an electrically conductive reference surface with each element surface dimensioned so as to resonate at a different radio frequency. The various element surfaces are spaced one from another and from the reference surface with a dielectric material and an rf feed is attached to at least one of the element surfaces. Non-resonant element surfaces provide inductive capacitive coupling of rf energy to/from a resonant element surface.

REFERENCES:
patent: 2990546 (1961-06-01), Haas
patent: 3016536 (1962-01-01), Fubini
patent: 3541557 (1970-11-01), Miley
patent: 3573831 (1971-04-01), Forbes
patent: 3713165 (1973-01-01), Lagerlof et al.
patent: 3739386 (1973-06-01), Jones
patent: 3803623 (1974-04-01), Charlot

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