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Wireless power transfer and communications

  • US 9,962,085 B2
  • Filed: 07/30/2015
  • Issued: 05/08/2018
  • Est. Priority Date: 07/30/2014
  • Status: Active Grant
First Claim
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1. A wireless power transfer and communication system comprising:

  • a first coil;

    an electrostatic shield for the first coil, the electrostatic shield having a gap extending the axial length of the electrostatic shield, wherein the electrostatic shield is inductively coupled to the first coil;

    a first signal processor coupled across the gap of the electrostatic shield;

    a second coil, the second coil being inductively coupled to the first coil;

    a second signal processor coupled to the second coil; and

    a coil driver coupled to the first coil and configured to generate a carrier signal on the first coil.

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