Wireless energy transfer using repeater resonators

  • US 9,601,261 B2
  • Filed: 04/13/2010
  • Issued: 03/21/2017
  • Est. Priority Date: 09/27/2008
  • Status: Active Grant
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First Claim
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1. A device for wireless power transfer comprising:

  • a conductor forming at least one loop of a high-Q resonator;

    a capacitive part electrically coupled to the conductor; and

    a source circuit electrically coupled to the conductor through a switch, the switch providing two or more modes of operation,wherein the two or more modes of operation comprise;

    a first mode in which the switch disconnects the conductor from the source circuit and the high-Q resonator is configured to wirelessly receive power from one resonator and wirelessly transmit power to another resonator; and

    a second mode in which the switch connects the conductor to the source circuit to form a continuous electrical path from the source circuit through the switch to the conductor, and the source circuit provides electrical power to the conductor.

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