Method and Apparatus of Load Detection for a Planar Wireless Power System

  • US 20100066349A1
  • Filed: 09/12/2008
  • Published: 03/18/2010
  • Est. Priority Date: 09/12/2008
  • Status: Active Grant
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First Claim
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1. A method of determining information regarding a load for a planar wireless power transfer system, comprising:

  • driving a transmitter coil of a planar wireless power transfer system with a drive amplifier;

    measuring a transmitter coil voltage provided to the transmitter coil by the drive amplifier; and

    determining information regarding a load positioned proximate the transmitter coil.

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