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Wireless power transmitter, wireless power receiver, wireless power transmission method and wireless power reception method

  • US 10,110,074 B2
  • Filed: 01/27/2016
  • Issued: 10/23/2018
  • Est. Priority Date: 11/10/2011
  • Status: Active Grant
First Claim
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1. A wireless power transmission method of a wireless power transmitter comprising:

  • transmitting a first state information of the wireless power transmitter to a first wireless power receiver;

    receiving a first state information of the first wireless power receiver from the first wireless power receiver;

    transmitting a first power adjusted based on the first state information of the first wireless power receiver to the first wireless power receiver;

    transmitting a second state information of the wireless power transmitter to the first wireless power receiver;

    receiving a second state information of the first wireless power receiver from the first wireless power receiver; and

    transmitting a second power adjusted based on the second state information of the first wireless power receiver to the first wireless power receiver,wherein the first state information of the wireless power transmitter comprises a first available power of the wireless power transmitter,wherein the first state information of the first wireless power receiver comprises a first demanded power of the first wireless power receiver,wherein the first demanded power of the first wireless power receiver is adjusted by the first wireless power receiver within the first available power of the wireless power transmitter,wherein the second state information of the wireless power transmitter comprises a second available power of the wireless power transmitter,wherein the second state information of the first wireless power receiver comprises a second demanded power of the first wireless power receiver,wherein the second demanded power of the first wireless power receiver is adjusted by the first wireless power receiver within the second available power of the wireless power transmitter, andwherein the second state information of the wireless power transmitter is transmitted in response to a state change of the wireless power transmitter.

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