WIRELESS ENERGY TRANSFER OVER VARIABLE DISTANCES BETWEEN RESONATORS OF SUBSTANTIALLY SIMILAR RESONANT FREQUENCIES

  • US 20100133918A1
  • Filed: 12/30/2009
  • Published: 06/03/2010
  • Est. Priority Date: 07/12/2005
  • Status: Active Grant
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First Claim
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1. A system, comprising:

  • a first resonator, with a resonant frequency f1, optionally coupled to an energy source; and

    a second resonator, with a resonant frequency f2, optionally coupled to an energy drain, located a variable distance from the first resonator;

    wherein the first resonator and the second resonator are coupled to provide near-field wireless energy transfer among the first resonator and the second resonator;

    and wherein f1 is approximately equal to f2 and both f1 and f2 are less than 400 MHz.

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