Patent ID: 11876872
Assignee: INTELLECTUAL DISCOVERY CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. A power transmitter (PTx) in a wireless power transfer system, the PTx comprising:
an out-of-band (OOB) module for performing signal transmission and reception through the OOB;
an in-band module for performing signal and power transmission and reception through in-band; and
a processor for controlling the OOB module and the in-band module,
wherein the processor is configured to:
receive at least one advertisement data from a power receiver (PRx) through the OOB module;
obtain a first at least one service or characteristic of the PRx through the OOB module, based on the advertisement data;
initiate power transfer to the PRx through the in-band module based on the first at least one service or characteristic;
obtain the second at least one service or characteristic of the PRx through the OOB module after initiating the power transfer,

wherein the at least one advertisement data from the PRx includes information related to a quick discovery which enables a discovery based on limited information about the PRx,
wherein the second at least one service or characteristic of the PRx includes a remaining at least one service or characteristic of services or characteristics of the PRx other than the first at least one service or characteristic of the PRx, and
wherein a renegotiation with the PRx is performed during the power transfer at least based on the second at least one service or characteristic.