| 摘要 |
The present invention can provide a multi-mode wireless power transmission method, a multi-mode wireless power reception method, and devices therefor. A wireless power transmission method for a wireless power transmission device, according to one embodiment of the present invention, comprises the steps of: establishing out-of-band communication with a wireless power reception device; and transmitting wireless power in a pre-designated order by using first to nth wireless power transmission schemes, wherein the wireless power can be transmitted by a wireless power transmission scheme of which charging efficiency is the highest, on the basis of wireless power reception device state information received through the out-of-band communication and respectively corresponding to the first to nth wireless power transmission schemes. Therefore, the present invention has an advantage of enabling maximization of charging efficiency between a wireless power transmission device and a wireless power reception device, which support a plurality of wireless power transmission schemes. |
