• US 20100201204A1
  • Filed: 02/08/2010
  • Published: 08/12/2010
  • Est. Priority Date: 02/09/2009
  • Status: Active Grant
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First Claim
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1. A non-contact power transmission apparatus comprising:

  • an AC power source;

    a primary coil to which an AC voltage of the AC power source is applied;

    a primary side resonance coil;

    a secondary side resonance coil;

    a secondary coil to which a load is connected;

    a voltage measuring section that measures the voltage of the primary coil; and

    a distance calculating section that calculates the distance between the primary side resonance coil and the secondary side resonance coil based on the voltage measured by the voltage measuring section.

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