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WIRELESS CHARGER FOR CHARGING CONTROL AND CHARGING CONTROL METHOD THEREFOR

  • US 20110115433A1
  • Filed: 10/28/2010
  • Published: 05/19/2011
  • Est. Priority Date: 11/13/2009
  • Status: Active Grant
First Claim
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1. A charging control method in a wireless charger including a primary coil for performing charging through a secondary coil included in a charging target, the method comprising:

  • sensing whether the charging target is placed on the wireless charger, the wireless charger including one or more concentric coils having different radii;

    checking the location on which the charging target is placed;

    selecting a coil to be activated among the one or more coils according the checked location;

    determining a power to be applied to the selected coil; and

    supplying the determined power to the selected coil.

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