• US 20120032522A1
  • Filed: 06/06/2011
  • Published: 02/09/2012
  • Est. Priority Date: 09/27/2008
  • Status: Active Grant
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First Claim
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1. A wireless energy transfer system for powering devices implanted in a patient comprising:

  • a high-Q source resonator having a first resonant frequency, the source resonator being external to the patient, coupled to a power source, and configured to generate oscillating magnetic fields at substantially the first resonant frequency,a high-Q device resonator having a second resonant frequency, the device resonator coupled to an implantable device requiring a supply power, the device resonator being internal to the patient, and configured to capture the oscillating magnetic fields generated by the source resonator,a repeater resonator;

    wherein the repeater resonator is positioned to improve the energy transfer between the source resonator and the device resonator.

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