Cavity/microstrip multi-mode antenna

Communications: radio wave antennas – Antennas – Microstrip

Patent

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Details

H01Q 138

Patent

active

044159005

ABSTRACT:
A microstrip backfire antenna configuration combining the microstrip type tenna element with a waveguide cavity which provides control over the radiation pattern and obviates the need for a more expensive phased array antenna system; the microstrip element is placed in a waveguide cavity so as to excite both the microstrip element and the waveguide cavity in a predetermined manner.

REFERENCES:
patent: 3978487 (1976-08-01), Kaloi
patent: 4063246 (1977-12-01), Greiser
patent: 4138684 (1979-02-01), Kerr
patent: 4287518 (1981-09-01), Ellis, Jr.

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