×

Power transmitting method and power transmitter for communication with power receiver

  • US 10,340,747 B2
  • Filed: 11/08/2018
  • Issued: 07/02/2019
  • Est. Priority Date: 05/17/2011
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method of controlling power transmission of a wireless power transmitter, the method comprising:

  • transmitting, by a resonator, first power for detecting a change of impedance;

    in response to the change of impedance being detected, transmitting, by the resonator, second power for communicating with a wireless power receiver;

    increasing the second power from a first magnitude to a second magnitude;

    receiving a signal from the wireless power receiver while transmitting the second power;

    in response to receiving the signal, transmitting a connection request signal to the wireless power receiver; and

    transmitting, by the resonator, third power to the wireless power receiver for charging the wireless power receiver.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×