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WIRELESS POWER TRANSFER METHOD, APPARATUS AND SYSTEM FOR LOW AND MEDIUM POWER

  • US 20160172895A1
  • Filed: 02/09/2016
  • Published: 06/16/2016
  • Est. Priority Date: 07/09/2012
  • Status: Active Grant
First Claim
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1. A wireless power transfer method for a wireless power transfer apparatus using full and half-bridge inverter topologies, the method comprising:

  • applying a power signal by controlling a driving frequency to the half-bridge inverter to control an amount of power to be transferred;

    receiving a control error packet from a wireless power receiver;

    changing the inverter topology from the half-bridge into the full-bridge after receiving the control error packet if the wireless power receiver is a medium power wireless receiver; and

    applying a power signal to the full bridge inverter to control an amount of power to be transferred.

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