US Patent 11258312 Systems and methods for wireless charging

A wireless charging system comprises at least one wireless power transmitter at a fixed location, at least two wireless communication beacons in proximity and at known locations relative to the wireless power transmitter, and a portable electronic device in proximity to the wireless power transmitter. The portable electronic device comprises a wireless power receiver connected to charge a battery through a tunable power electronic circuit, a wireless communication receiver, a 3-axis accelerometer, a 3-axis magnetometer, a 3-axis gyroscope, and a controller configured to determine the position and orientation of the wireless power receiver with respect to the wireless power transmitter and tune the tunable power electronic circuit based on the determined orientation.