• US 20090189458A1
  • Filed: 01/21/2009
  • Published: 07/30/2009
  • Est. Priority Date: 01/23/2008
  • Status: Active Grant
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First Claim
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1. A vehicle power supply apparatus supplying electric power by electromagnetic induction from outside a vehicle to a predetermined power-supplied object mounted in the vehicle, the vehicle power supply apparatus comprising:

  • a power transmitting unit including a power transmission side coil for generating an alternating magnetic field, a positioning device for positioning the power transmission side coil with respect to the vehicle, and a power transmission side circuit supplying electric current to the power transmission side coil; and

    a power receiving unit including a power receipt side coil disposed in a non-magnetic portion of the vehicle and generating induced current based on the alternating magnetic field generated by the power transmission side coil, and a power receipt side circuit supplying electric power based on the induced current generated by the power receipt side coil to the power-supplied object.

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