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Single or dual band parasitic antenna assembly

  • US 6,456,249 B1
  • Filed: 04/18/2001
  • Issued: 09/24/2002
  • Est. Priority Date: 08/16/1999
  • Status: Expired due to Fees
First Claim
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1. An antenna assembly for use in a wireless communications device, the antenna assembly comprising:

  • a conductive ground plane element;

    a high frequency resonator element having a conductive surface disposed a predetermined distance away from the ground plane element and having a ground end and a free end, said ground end being coupled to the ground plane element, said resonator element having a shunt feed point disposed on the conductive surface proximate the ground end;

    a low frequency resonator element having a conductive surface disposed a predetermined distance away from the ground plane element and having a ground end and a free end, said ground end being coupled to the ground plane element; and

    a conductive element functioning as high impedance transmission line, said conductive element coupling the low frequency resonator element to the high frequency resonator element, said conductive element having a first end and a second end, said first end being connected proximate to the shunt feed point and said second end being connected at the free end of the low frequency resonator element.

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