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RECEIVER TRANSDUCER FOR WIRELESS POWER TRANSFER

  • US 20120300593A1
  • Filed: 05/22/2012
  • Published: 11/29/2012
  • Est. Priority Date: 05/27/2011
  • Status: Active Grant
First Claim
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1. A system, comprising:

  • a sender comprising;

    a signal generator;

    an amplifier coupled to the signal generator, said amplifier configured to receive power from a power source and to generate an electrical transmission signal adapted to be used to generate ultrasonic waves;

    a sender transducer coupled to the amplifier, the sender transducer adapted and configured to generate ultrasonic waves based on the electrical transmission signal received from the amplifier; and

    a sender controller coupled to at least one of the signal generator, the amplifier and the sender transducer; and

    a receiver comprising;

    a receiver transducer adapted and configured to receive ultrasonic waves generated by the sender transducer and to generate a receiver electrical signal based on the received ultrasonic waves, the receiver transducer including at least one piezoelectrically actuated flexural mode transducer;

    a receiver electrical storage device adapted and configured to store electrical energy based on the receiver electrical signal generated by the receiver transducer;

    a receiver controller coupled to at least one of the receiver transducer and the receiver electrical storage device.

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