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Non-contact power supply system

  • US 10,220,715 B2
  • Filed: 03/24/2014
  • Issued: 03/05/2019
  • Est. Priority Date: 03/29/2013
  • Status: Active Grant
First Claim
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1. A non-contact power supply system that supplies power between a power reception coil that is provided to a vehicle and a power transmission coil that is provided to a power supply device in a non-contact manner by means of at least a magnetic coupling, the non-contact power supply system comprising the power supply device,the power supply device comprising:

  • a power supply side recording circuit configured to record the vehicle identification information, which represents the identification information of the vehicle;

    a power supply side communication circuit being configured to perform the communication with the vehicle; and

    a power supply side controller for controlling power that is outputted from a power source to the power transmission coil,the vehicle identification information being recorded in the power supply side recording circuit is the vehicle identification information of the vehicle in which a paired communication has been wirelessly established between the power supply device and the vehicle prior to every time charging power is supplied, a confirmation signal of the paired communication being established being transmitted from the vehicle to the power supply side controller before the vehicle identification information is recorded in the power supply side recording circuit, andthe power supply side controller being configured to cross-check the vehicle identification information that is transmitted from the vehicle after stopping the power supply and the vehicle identification information that is recorded in the power supply side recording circuit, if the power supply is stopped before the power supply to the power reception coil is ended normally, and restarts the non-contact power supply from the power transmission coil to the power reception coil, if the vehicle identification information match.

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