Wireless power transmission apparatus and method therefor

The present invention relates to a wireless power transmission apparatus and a method therefor. The present invention provides a wireless power transmission apparatus including: a power transmission module; a first communication module; a second communication module; and a controller for searching out a first wireless power reception device performing wireless power transmission/reception, transmitting a second magnetic field signal of a second frequency band through the power transmission module, sensing a second response signal to the second magnetic field signal through the second communication module, and searching out a second wireless power reception device performing wireless power transmission/reception by means of the second frequency band according to whether the second responsesignal is received. 本发明涉及一种无线电力发送设备和用于该设备的方法。本发明提供了无线电力发送设备，该设备包括：电力发送模块；第一通信模块；第二通信模块；以及控制器，用于搜索执行无线电力发送/接收的第一无线电力接收装置、通过电力发送模块发送第二频带的第二磁场信号、通过第二通信模块感测对第二磁场信号的第二响应信号、以及搜索根据第二响应信号是否被接收来通过第二频带执行无线电力发送/接收的第二无线电力接收装置。