Patent ID: 9444282
Filing Date: 2016-09-13
CPC Classification: H02J

Claim Text:
1. A wireless charging method of a first electronic device, comprising: searching for at least one second electronic device, wherein the at least one second electronic device is chargeable; obtain status information related to a power state of the at least one second electronic device and the first electronic device; identifying whether the first electronic device is a power supply electronic device or a power demand electronic device, based on the obtained status information; receiving power, from the at least one second electronic device, based on a providable power amount determined by the at least one second electronic device, if the first electronic device is identified as the power demand electronic device; repeatedly receiving a charging information message from the at least one second electronic device while receiving the determined providable power amount; if the charging information message is not received from the at least one second electronic device within a predetermined time, identifying that the wireless charging is interrupted; and if the charging information message is received from the at least one second electronic device within the predetermined time, transmitting a charging information response message, wherein the charging information message includes information indicating an amount of power applied by the second electronic device.