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Multiple-element antenna with parasitic coupler

  • US 20050200537A1
  • Filed: 05/05/2005
  • Published: 09/15/2005
  • Est. Priority Date: 06/21/2002
  • Status: Active Grant
First Claim
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1. A mobile device, comprising:

  • a first transceiver configured to communicate at a first frequency band;

    a second transceiver configured to communicate at a second frequency band; and

    a multiple-element antenna, including;

    a first antenna element coupled to the first transceiver and configured to operate in the first frequency band;

    a second antenna element coupled to the second transceiver and configured to operating in the second frequency band;

    the second antenna element being physically separated from but positioned adjacent to the first antenna element to thereby electromagnetically couple the first and second antenna elements; and

    a parasitic coupler physically separated from both the first and second antenna elements but positioned adjacent to both to thereby electromagnetically couple the parasitic coupler to the first and second antenna elements.

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