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POWER TRANSMISSION CONTROL DEVICE, POWER TRANSMITTING DEVICE, NON-CONTACT POWER TRANSMISSION SYSTEM, AND SECONDARY COIL POSITIONING METHOD

  • US 20090079271A1
  • Filed: 09/25/2008
  • Published: 03/26/2009
  • Est. Priority Date: 09/26/2007
  • Status: Active Grant
First Claim
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1. A power transmission control device that controls a power transmitting device of a non-contact power transmission system, the non-contact power transmission system transmitting power from the power transmitting device to a power receiving device via non-contact power transmission through a primary coil and a secondary coil that are electromagnetically coupled, the power transmission control device comprising:

  • a power-transmitting-side control circuit that controls power transmission of the power transmitting device to the power receiving device; and

    a harmonic detection circuit that detects a harmonic signal of a drive signal of the primary coil.

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