ADAPTIVE MATCHING AND TUNING OF HF WIRELESS POWER TRANSMIT ANTENNA

  • US 20100117454A1
  • Filed: 07/17/2009
  • Published: 05/13/2010
  • Est. Priority Date: 07/17/2008
  • Status: Active Grant
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First Claim
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1. A transmitter system for wireless power, comprising:

  • an antenna, comprising of an inductive element and a capacitor that are collectively magnetically resonant at a first frequency; and

    a coupling loop assembly, comprising of a first coupling loop part of a first smaller size and a first switch to activate said first coupling loop, and a second coupling loop part of a second larger size with a second switch to activate said second coupling loop.

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