POWER TRANSMISSION CONTROL DEVICE, POWER TRANSMISSION DEVICE, POWER RECEIVING CONTROL DEVICE, POWER RECEIVING DEVICE, AND ELECTRONIC APPARATUS

  • US 20090322280A1
  • Filed: 06/23/2009
  • Published: 12/31/2009
  • Est. Priority Date: 06/25/2008
  • Status: Active Grant
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First Claim
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1. A power transmission control device included in a contactless power transmission system in which power is transmitted from a power transmission device to a power receiving device by electromagnetically coupling a primary coil and a secondary coil and the power is supplied to a load of the power receiving device, the power transmission control device comprising:

  • a controller that controls the power transmission control device; and

    a load condition detection circuit that detects a load condition on a power receiving side, the controller determining the load condition on the power receiving side based on threshold information received from the power receiving device and load condition detection information from the load condition detection circuit.

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