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Multi-band monopole antennas for mobile communications devices

  • US 20070046548A1
  • Filed: 01/28/2005
  • Published: 03/01/2007
  • Est. Priority Date: 01/30/2004
  • Status: Active Grant
First Claim
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1. An antenna for use in a mobile communication device, comprising:

  • an antenna substrate with a front side and a back side;

    a first spiral conductor located on the front side of the antenna substrate; and

    a second spiral conductor located on the back side of the antenna substrate, wherein the first spiral conductor and the second spiral conductor are electrically connected.

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