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WIRELESS POWER TRANSMISSION DEVICE AND WIRELESS CHARGING SYSTEM, AND METHOD OF CONTROLLING THE SAME

  • US 20170201132A1
  • Filed: 07/18/2016
  • Published: 07/13/2017
  • Est. Priority Date: 01/11/2016
  • Status: Active Grant
First Claim
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1. A method of controlling a wireless power transmission device using an ultrasonic wave, the method comprising:

  • receiving a charging request from an external apparatus using radio communication;

    determining a direction in which the external apparatus is positioned;

    determining a distance between the wireless power transmission device and the external apparatus; and

    transmitting an ultrasonic signal to the external apparatus based on the direction in which the external apparatus is positioned and the distance between the wireless power transmission device and the external apparatus.

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