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Method and apparatus for transmitting wireless power

  • US 10,291,074 B2
  • Filed: 09/07/2016
  • Issued: 05/14/2019
  • Est. Priority Date: 09/09/2015
  • Status: Expired due to Fees
First Claim
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1. A method of wirelessly transmitting power by a wireless power transmitter, the method comprising:

  • transmitting, to a wireless power receiver, power of a first level based on first information including a first load power level, wherein the first load power level is allowable to a load of the wireless power receiver;

    receiving, from the wireless power receiver, second information including a second load power level according to a change in the load of the wireless power receiver, wherein the second load power level is a power level measured at the load;

    controlling a power level according to the second information; and

    stopping the transmission of the power of the first level during a predetermined condition in response to the second load power level being less than the first level,wherein the predetermined condition includes a condition under which the load operates by an electric discharge of a capacitor included in the wireless power receiver.

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