Planar microwave receive and/or transmit array antenna and appli

Details Planar microwave receive and/or transmit array antenna and appli Planar microwave receive and/or transmit array antenna and appli

1997-01-02

1999-02-16

Wong, Don

Communications: radio wave antennas

Antennas

Slot type

343700MS, 343829, H01Q 1310

Patent

active

058725458

ABSTRACT:
A receive and/or transmit microwave planar array antenna is of the multiplate stack type comprising a plurality of slot radiating elements disposed along the rows and the columns of a matrix. The basic stack comprises three ground plates incorporating openings and two independent excitation circuit planes, enabling transmission or reception of two inclined beams. At least two other excitation circuit planes are provided so that each beam can additionally have dual polarization. The excitation circuits are microstrips, coplanar waveguides, dipole lines, of the loop or slot type, or a combination of such lines. Two consecutive lines are oriented at 90.degree. to each other. Applications include individual reception from two geostationary television satellites.

REFERENCES:
patent: 5400042 (1995-03-01), Tulintseff
patent: 5453751 (1995-09-01), Tsukamoto et al.
patent: 5499033 (1996-03-01), Smith

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