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PRIMARY POWER SUPPLY TUNING NETWORK FOR TWO COIL DEVICE AND METHOD OF OPERATION

  • US 20140361628A1
  • Filed: 06/07/2013
  • Published: 12/11/2014
  • Est. Priority Date: 06/07/2013
  • Status: Active Grant
First Claim
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1. A wireless power transmitter comprising:

  • a first conductive structure configured to generate a first field;

    a second conductive structure in series with the first conductive structure and configured to generate a second field;

    a source configured to generate a drive signal; and

    a circuit configured to selectively route the drive signal to either one of the first or the second conductive structures or to both of the first and the second conductive structures, and further configured to maintain a tuning of the one or both of the first and second conductive structures driven by the drive signal.

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