ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,732,116, issued on Sept. 8, was assigned to VIVO MOBILE COMMUNICATION Co. LTD. (Dongguan, China).

"Charger" was invented by Dahuan Li (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A charger is provided. The charger includes: a power input end, a power output end, a switching module, and a transformer. A primary side of the transformer is provided with a power input module. The power input module is connected to the power input end through the switching module. A secondary-side winding of the transformer is connected to the power output end. The switching module can be switched among a first conducting state, a second conducting state, ...