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Adjustable antenna and methods

  • US 8,473,017 B2
  • Filed: 04/14/2008
  • Issued: 06/25/2013
  • Est. Priority Date: 10/14/2005
  • Status: Active Grant
First Claim
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1. A method of operating an adjustable antenna, said adjustable antenna comprising an adjusting circuit, an antenna switch coupled between a plurality of transmit/receive nodes, a radiator and a feed conductor electrically coupling said adjusting circuit to said radiator, said method comprising:

  • operating said adjusting circuit in a first mode of operation, said first mode of operation associated with a first resonance frequency;

    receiving a control signal at said adjusting circuit to change states;

    operating said adjusting circuit in a second mode of operation, said second mode of operation associated with a second resonance frequency; and

    operating said antenna switch such that it time-shares between said plurality of transmit/receive nodes.

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