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Antenna array configurations employing continuous transverse stub elements

  • US 5,349,363 A
  • Filed: 10/18/1993
  • Issued: 09/20/1994
  • Est. Priority Date: 08/29/1991
  • Status: Expired due to Term
First Claim
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1. An antenna array employing continuous transverse stubs as radiating elements comprising:

  • a planar sheet of dielectric material having two generally parallel broad surfaces separated by a predetermined distance and having a plurality of elongated, raised, relatively thin, rectangular dielectric members formed along a broad surface of the sheet of dielectric material that extend across one dimension of the broad surface and that extend away from the broad surface, and wherein the plurality of thin rectangular dielectric members are spaced apart from each other by a predetermined distance;

    a conductive material disposed on the broad surfaces of the sheet of dielectric material and on transversely extending edgewalls formed by the plurality of thin variable length rectangular dielecteric members arranged as closely spaced pairs so as to define a parallel plane waveguide having a plurality of matched couplet continuous variable length transverse stubs disposed on one plate thereof, and wherein distal ends of the plurality of thin rectangular dielectric members are free of the conductive material so as to define a plurality of radiating elements, and wherein an edge of the sheet of dielectric material is free of conductive coating so as to define a feed for the antenna array; and

    line-feed variation means to scan the antenna array.

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