×

Power transmission device, power transmission method, and power transmission system

  • US 9,461,712 B2
  • Filed: 02/17/2012
  • Issued: 10/04/2016
  • Est. Priority Date: 02/21/2011
  • Status: Active Grant
First Claim
Patent Images

1. A power transmission device, comprising:

  • circuitry configured to;

    transmit a power capability information transmission request via a communication channel;

    receive power capability information in response to the power capability information transmission request;

    determine a parameter type, to be used to wirelessly transmit power, from one or more parameter types indicated in the received power capability information, that matches a parameter type indicated in transmission power capability information;

    set a parameter of the determined parameter type based on the received power capability information;

    wirelessly transmit the power using the parameter, wherein the circuitry is configured to transmit the power capability information transmission request before wirelessly transmitting the power;

    receive first power reception amount information for the parameter after transmitting the power;

    calculate a first power transmission efficiency based on the first power reception amount information; and

    generate parameter information excluding the parameter if the first power transmission efficiency is less than a predetermined value, wherein, if the circuitry receives second power reception amount information for the parameter, the circuitry is configured to calculate a second power transmission efficiency based on the second power reception amount information, and wherein if the second power transmission efficiency is less than the predetermined value a predetermined number of times in a predetermined period corresponding to the first power reception amount information and the second power reception amount information, the circuitry is configured to exclude the parameter from the parameter information.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×