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ULTRASONIC CHARGING APPARATUS, SYSTEM AND METHOD

  • US 20170063129A1
  • Filed: 08/28/2015
  • Published: 03/02/2017
  • Est. Priority Date: 08/28/2015
  • Status: Active Grant
First Claim
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1. A charging apparatus, comprising:

  • an acoustic horn;

    a piezoelectric transducer located at one end of the acoustic horn; and

    an AC/DC converter operatively coupled to the piezoelectric transducer.

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