ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,706,486, issued on Aug. 11, was assigned to Huawei Digital Power Technologies Co. Ltd. (Shenzhen, China).

"Wireless charging device, alignment method, system, and charging base" was invented by Donghao Wu (Shenzhen, China) and Baoshan Wu (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wireless charging device is provided in this disclosure, which includes a resonant network, an inverter circuit, and a controller. The resonant network includes a resonant capacitor and a transmitting coil. An input end of the inverter circuit is configured to connect to a direct current power supply, and an output end of the inverter circuit is configure...