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SYSTEM FOR TRANSFERRING WIRELESS POWER USING ULTRASONIC WAVE

  • US 20120155220A1
  • Filed: 12/02/2011
  • Published: 06/21/2012
  • Est. Priority Date: 12/17/2010
  • Status: Active Grant
First Claim
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1. A system of transferring wireless power using an ultrasonic wave, comprising:

  • an ultrasonic wave generating device converting and transferring electric energy to an ultrasonic wave; and

    an ultrasonic wave receiving device receiving the ultrasonic wave to convert the ultrasonic wave to electric energy,wherein the ultrasonic wave generating device includes a radiation plate with a plurality of ultrasonic elements and controls an effective area of the radiation plate by turning on/off the plurality of ultrasonic elements so that the ultrasonic wave receiving device is disposed at a position minimizing dispersion effect due to a circular radiation of the ultrasonic wave.

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