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WIRELESS POWER TRANSMITTING APPARATUS AND WIRELESS POWER SUPPLY SYSTEM

  • US 20150015087A1
  • Filed: 09/30/2014
  • Published: 01/15/2015
  • Est. Priority Date: 04/02/2012
  • Status: Active Grant
First Claim
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1. A wireless power transmitting apparatus which transmits an electric power signal comprising any one from among an electric field, a magnetic field, and an electromagnetic field to a wireless power receiving apparatus, the wireless power transmitting apparatus comprising:

  • a radiation coil;

    a reflector coil arranged at a distance from the radiation coil;

    a driving power supply that supplies a driving current to the radiation coil; and

    a first phase control circuit that controls the phase of a current that flows through the reflector coil so as to stabilize the phase difference between the current that flows through the reflector coil and a current that flows through the radiation coil.

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