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WIRELESS POWER TRANSFER SYSTEM, POWER TRANSMISSION DEVICE, POWER RECEIVING DEVICE, AND CONTROL METHOD OF WIRELESS POWER TRANSFER SYSTEM

  • US 20150028688A1
  • Filed: 02/29/2012
  • Published: 01/29/2015
  • Est. Priority Date: 02/29/2012
  • Status: Active Grant
First Claim
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1. A wireless power transfer system comprising:

  • a power receiving device; and

    a plurality of power transmission devices that perform power transfer to the power receiving device, whereinthe power receiving device transmits request-power to the power transmission device, the request-power being power the power receiving device requests to be supplied with,the power transmission devicewhen receiving the request-power from the power receiving device, generates determination reference information based on the received request-power, the determination reference information being information to be used as a determination reference when the power receiving device selects the power transmission device, andtransmits the generated determination reference information to the power receiving device,the power receiving devicereceives the determination reference information,selects, based on the determination reference information, the power transmission device from which the power receiving device is to receive power supply, andtransmits a power transmission start request to the selected power transmission device, andthe power transmission device starts power transfer to the power receiving device when receiving the power transmission start request.

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