Resonator fine tuning

  • US 9,287,607 B2
  • Filed: 07/31/2012
  • Issued: 03/15/2016
  • Est. Priority Date: 07/31/2012
  • Status: Active Grant
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First Claim
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1. A source for transferring power wirelessly to a receiving device, the source comprising:

  • a resonator coil having an inductance;

    a tile contacting the resonator coil and movable relative to the resonator coil; and

    a controller configured so that during wireless power transfer from the source to the receiving device, the controller;

    receives a feedback signal comprising information about the wireless power transfer between the source and the receiving device; and

    adjusts a position of the tile relative to the resonator coil based on the feedback signal to change the inductance of the resonator coil, thereby regulating the wireless power transfer.

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