Patent ID: 9620996
Date: 2017-04-11
CPC Classifications: H02J

Claim:
1. An integrated circuit configured to receive wireless power from multiple antennas over radio-frequency transmissions, the integrated circuit comprising: multiple antenna ports configured to receive wireless power from two or more antennas, and configured to transmit a beacon signal to a transmitter, a detection unit for each of the multiple antenna ports and configured to detect received wireless power; a rectifying unit for each of the multiple antenna ports and configured to convert received wireless power in RF power to direct current (DC) power, and to output the DC power to an external device; a communication unit configured to filter data from the received wireless power; a beacon signal unit configured to transmit the beacon signal to the transmitter to thereby permit the transmitter to determine an identity and location of the integrated circuit, a control unit configured to switch the integrated circuit between filtering data, rectifying RF power, and transmitting a beacon signal,