Wireless energy transfer in lossy environments

  • US 9,515,495 B2
  • Filed: 10/30/2015
  • Issued: 12/06/2016
  • Est. Priority Date: 09/27/2008
  • Status: Active Grant
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First Claim
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1. A wirelessly chargeable mobile electronic device, comprising:

  • a device magnetic resonator comprising a capacitively-loaded conducting loop configured to receive an oscillating magnetic field from a source magnetic resonator, wherein the device magnetic resonator has an unperturbed device quality factor QD; and

    material positioned to space lossy material from at least a portion of the conducting loop and thereby form a keep-out zone,wherein the keep-out zone enables the device magnetic resonator to have a perturbed device quality factor, QD,perturbed, that is at least 50% of the unperturbed device quality factor QD when the lossy material is positioned immediately outside the keep-out zone.

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