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Apparatus for wirelessly charging a rechargeable battery

  • US 9,325,184 B2
  • Filed: 12/19/2013
  • Issued: 04/26/2016
  • Est. Priority Date: 12/19/2013
  • Status: Active Grant
First Claim
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1. Apparatus for wirelessly charging a rechargeable battery, the apparatus comprising:

  • a charging resonator assembly for converting energy from a magnetic field external to the apparatus into an electric current; and

    a charging circuit for charging the battery using the electric current, wherein the charging resonator assembly includes a plurality of microelectromechanical system (MEMS) switches which, when open, divide the charging resonator into a plurality of electrically unconnected resonator portions, and which, when closed, connect the plurality of resonator portions to form a continuous resonator.

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