Communication system in wireless power transfer

The invention relates to a communication system in wireless power transfer. Described is a wireless power receiver comprising: a receiver configured to generate a current in response to receiving power by electromagnetic waves from a wireless power transmitter; a first communication channel between the wireless power receiver and the wireless power transmitter; and a second communication channel between the wireless power receiver and the wireless power transmitter. The first communication channel and the second communication channel are different communication channels. Further described is a wireless power transmitter configured to cooperate with the wireless power receiver, a wireless power system, and a wireless power device comprising the wireless power receiver and the wireless power transmitter. 本申请案涉及无线电力传送中的通信系统。描述一种无线电力接收器，其包括接收器，其被配置成响应于通过来自无线电力发射器的电磁波接收到电力而产生电流；第一通信信道，其处于所述无线电力接收器和所述无线电力发射器之间；和第二通信信道，其处于所述无线电力接收器和所述无线电力发射器之间。所述第一通信信道和所述第二通信信道是不同的通信信道。进一步描述一种无线电力发射器，其被配置成与所述无线电力接收器、无线电力系统以及包括所述无线电力