Systems and methods for generating power waves within wireless power transfer systems

摘要

The systems and methods disclosed herein relate to wireless power transfer systems. In one example method, a transmitter measures a plurality of specific absorption rate (SAR) values, each SAR value being transmitted for one or more power waves radiated from one or more antennas of the transmitter. Corresponds to the individual spatial position in the transmission field of the machine. The transmitter also determines a selected spatial position in the transmission field where the first measured SAR value of the plurality of SAR values does not satisfy a predetermined SAR value threshold. The transmitter further transmits one or more power waves so that they converge destructively at or near a selected spatial location within the transmission field. [Selection] Figure 1A