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Wideband antenna system

  • US 6,342,866 B1
  • Filed: 03/17/2000
  • Issued: 01/29/2002
  • Est. Priority Date: 03/17/2000
  • Status: Expired due to Fees
First Claim
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1. A wideband antenna system, comprising:

  • a stack of m antennas, where m is a positive integer, m≧

    2, and each of said antennas includes;

    an electrically insulating substrate;

    opposed first and second radio frequency elements that have a unique total area and are mounted to said electrically insulating substrate such that said radio frequency elements of an ith antenna of said stack provide a ground plane for an kth antenna of said stack, where i and k are positive integers, 1≦

    k≦

    (i−

    1), 2≦

    i≦

    m, and said total area of said first and second radio frequency elements of said ith antenna is greater than said total area of said first and second radio frequency elements of said kth antenna;

    a ground feed electrically connected to said first radio frequency element;

    an excitation feed electrically connected to said second radio frequency element; and

    a ground plane mounted to said substrate of an mth antenna of said stud.

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