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Wireless power supply device

  • US 10,059,214 B2
  • Filed: 05/12/2015
  • Issued: 08/28/2018
  • Est. Priority Date: 11/13/2012
  • Status: Active Grant
First Claim
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1. A wireless power supply device installed in a place for a vehicle to stop and having a power-supplying coil for wirelessly supplying electric power to a power-receiving coil of the vehicle, the wireless power supply device comprising:

  • a vehicle wheel detecting unit installed in the place for the vehicle to stop so that the vehicle is able to run over the vehicle wheel detecting unit and configured to detect vehicle wheels of the vehicle; and

    a traveling assistance means configured to assist with traveling of the vehicle such that the power-receiving coil and the power-supplying coil have a power-suppliable positional relationship depending on a detection result of the vehicle wheel detecting unit,wherein when one or more of the vehicle wheels is detected by the vehicle wheel detecting unit, the detection result is a detection signal provided by the vehicle wheel detecting unit, andthe traveling assistance means assists with traveling of the vehicle only when the power-receiving coil and the power-supplying coil do not have a power-suppliable positional relationship, and the detection signal, received by the traveling assistance means, is maintained for a predetermined time period or longer.

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