Wireless power transmission for electronic devices

  • US 8,278,784 B2
  • Filed: 07/27/2009
  • Issued: 10/02/2012
  • Est. Priority Date: 07/28/2008
  • Status: Active Grant
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First Claim
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1. A wireless power receiver, comprising:

  • a receive antenna configured to receive wireless power from a magnetic field, the receive antenna including;

    a first resonant circuit; and

    a second resonant circuit wirelessly coupled to the first resonant circuit, the second resonant circuit being configured to relay received wireless power to the first resonant circuit.

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