NONCONTACT ELECTRIC POWER FEEDING APPARATUS, NONCONTACT ELECTRIC POWER RECEIVING APPARATUS, NONCONTACT ELECTRIC POWER FEEDING METHOD, NONCONTACT ELECTRIC POWER RECEIVING METHOD, AND NONCONTACT ELECTRIC POWER FEEDING SYSTEM

  • US 20110049995A1
  • Filed: 07/30/2010
  • Published: 03/03/2011
  • Est. Priority Date: 08/26/2009
  • Status: Active Grant
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First Claim
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1. A noncontact electric power feeding apparatus, comprising:

  • a resonance element for supplying an alternative current electric power in a noncontact style in accordance with a resonance;

    an alternative current power source portion configured to generate an alternative current electric power to be supplied to said resonance element; and

    impedance adjusting means provided between said alternative current power source portion and said resonance element for variably controlling an impedance in accordance with a coupling coefficient between said noncontact electric power feeding apparatus and an electric power feeding destination of the alternative current electric power.

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