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Method and apparatus for increasing antenna efficiency for hand-held mobile satellite communications terminal

  • US 5,581,268 A
  • Filed: 08/03/1995
  • Issued: 12/03/1996
  • Est. Priority Date: 08/03/1995
  • Status: Expired due to Term
First Claim
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1. An antenna structure, comprising:

  • a plurality of transmit linear elements arranged parallel to one another;

    a plurality of receive linear elements arranged parallel to one another; and

    individual ones of said plurality of transmit linear elements are spaced apart from one another and have one of said plurality of receive linear elements disposed therebetween;

    whereina width of each of said plurality of transmit linear elements varies periodically along a length of the transmit linear element and a width of each of said plurality of receive linear elements varies periodically along a length of the receive linear element, and wherein, for a given one of the plurality of transmit linear elements, a narrowest width portion of the transmit linear element is disposed next to a widest width portion of an adjacently disposed receive linear element and a widest width portion of the transmit linear element is disposed next to a narrowest width portion of the adjacently disposed receive linear element.

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