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Contactless power supplying system, electric appliance, repeater, and adaptor

  • US 9,722,432 B2
  • Filed: 09/13/2012
  • Issued: 08/01/2017
  • Est. Priority Date: 09/15/2011
  • Status: Active Grant
First Claim
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1. A contactless power supplying system comprising:

  • a contactless power supplying device including a high-frequency inverter configured to supply a high-frequency current and a primary coil arranged to supplied with the high-frequency current;

    an electric appliance including a secondary coil configured to generate induced electromotive force based on alternating magnetic flux generated by the primary coil and a power receiving circuit configured to supply the induced electromotive force generated by the secondary coil to a load;

    a structure having a variable shape and adapted to be secured in a state in which the shape of the structure is varied;

    at least one of a connecting wire, which is configured to connect the primary coil to the high-frequency inverter, a connecting wire, which is configured to connect the secondary coil to the power receiving circuit, and a connecting wire, which is configured to connect the power receiving circuit to the load, the at least one of the connecting wires arranged along the structure; and

    a repeater arranged between the primary coil and the secondary coil, whereina position where the secondary coil is magnetically connected to the primary coil is spatially determined at a position depending on the shape of the structure being varied, andthe repeater includes;

    a second structure arranged on a support table, the second structure having a variable shape and adapted to be secured in a state in which the shape of the second structure is varied; and

    an intermediate coil supported via the second structure and configured to magnetically resonate with the alternating magnetic flux generated by the primary coil so that magnetic resonance of the intermediate coil causes the secondary coil to generate induced electromotive force to drive the electric appliance.

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