Communications: directive radio wave systems and devices (e.g. – Directive – Beacon or receiver
Patent
1996-07-05
1998-05-19
Issing, Gregory C.
Communications: directive radio wave systems and devices (e.g.,
Directive
Beacon or receiver
342153, 342427, G01S 502, G01S 1300
Patent
active
057541400
ABSTRACT:
A beam sharpened, low sidelobe antenna is obtained by segmenting the antenna to provide two sub-antennas, one of which is arranged as an interferometer. The output signals of the two antennas are added and subtracted to provide sum and difference signals. The sum and difference signals and the output signals are then utilized to provide the desired beam sharpened, low sidelobe antenna.
REFERENCES:
patent: 3325816 (1967-06-01), Dutton
patent: 3670332 (1972-06-01), Bloomendaal
Archambault Jerald E.
Jessen Dale W.
Klotz Peter J.
Starr Michael A.
Wood Thomas E.
Issing Gregory C.
Lett Gerald L.
Levine Seymour
Sperry Marine Inc.
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