WIRELESS POWER TRANSMISSION APPARATUS USING ULTRASOUND

  • US 20150003207A1
  • Filed: 02/27/2014
  • Published: 01/01/2015
  • Est. Priority Date: 06/27/2013
  • Status: Active Grant
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First Claim
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1. A wireless power transmission apparatus comprising:

  • an ultrasound transmitter generating an ultrasound signal in response to an external source voltage and transmitting the generated ultrasound signal to a medium layer; and

    an ultrasound receiver receiving the ultrasound signal through the medium layer and converting the received ultrasound signal into a driving voltage,wherein the ultrasound transmitter and receiver are manufactured to control impedance values thereof to be matched with each other and a distance between the ultrasound transmitter and receiver is controlled according to predetermined distance conditions.

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