WIRELESS POWER TRANSMITTING AND CHARGING SYSTEM
A wireless power transmitting and charging system is disclosed. A method for operating a power transmitter of the wireless power transmitting and charging system comprises the steps of: maintaining a ping value table where ping signal conditions are mapped according to the height of a power receiver; recognizing the power receiver by varying a ping signal according to the ping signal conditions recorded in the ping value table; and controlling a charging mode according to a message received from the power receiver.
1 . A method for operating a wireless power transmitter, comprising:
maintaining a ping value table having a plurality of ping signal conditions that are mapped to different heights of a power receiver,
varying a ping signal according to the ping value table;
detecting the power receiver when the ping signal matches one of the plurality of ping signal conditions recorded in the ping value table; and
controlling a charge mode according to a message received from the power receiver.