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Wireless power transmisson apparatus and wireless power transmisson method

  • US 9,973,009 B2
  • Filed: 03/13/2015
  • Issued: 05/15/2018
  • Est. Priority Date: 03/13/2014
  • Status: Expired due to Fees
First Claim
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1. A wireless power transmission apparatus comprising,a first wireless transmission unit having a first transmission scheme;

  • a second wireless transmission unit having a second transmission scheme; and

    a controller to determine whether a wireless power reception apparatus exists, identify a reception scheme when the wireless power reception apparatus exists, and transmit a power by the first transmission scheme or the second transmission scheme according to the identified reception scheme,wherein the controller activates the first wireless transmission unit, deactivates the second wireless transmission unit, and transmits the power by the first transmission scheme when the reception scheme of the wireless power reception apparatus is identical to the first transmission scheme, andwherein the controller comprises a power supply unit to output power to the first wireless transmission unit or the second wireless transmission unit in a predetermined current, and a detection unit to detect a variation of the current at an output terminal of the power supply unit.

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