ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,710,458, issued on Aug. 18, was assigned to ELECTDIS AB (Malmo, Sweden).
"Method for power calibration" was invented by Laurens Swaans (Malmo, Sweden), Max Andersson (Malmo, Sweden) and Joakin Wallman (Malmo, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "To calibrate a power measuring function of a wireless power device, an alternating electric signal is fed through a wireless power transmitter coil to drive the wireless power transmitter coil at an operating point. Voltage measurements and current measurements are performed upon the alternating electric signal or upon a current signal resulting therefrom. A power value is calculated from a resu...