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WIRELESS POWER TRANSMITTER, WIRELESS POWER RECEIVER, AND CONTROL METHODS THEREOF

  • US 20140197785A1
  • Filed: 01/15/2014
  • Published: 07/17/2014
  • Est. Priority Date: 01/15/2013
  • Status: Active Grant
First Claim
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1. A method for controlling a wireless power transmitter to transmit charging power to a wireless power receiver, the method comprising:

  • transmitting, to the wireless power receiver, a control signal including first time information and load change information;

    detecting a load change of the wireless power receiver during a period of time corresponding to the first time information; and

    determining that the wireless power receiver is authorized for charging, if the detected load change of the wireless power receiver corresponds to the load change information included in the control signal.

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