ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,542,478, issued on Feb. 3, was assigned to Huawei Digital Power Technologies Co. Ltd. (Shenzhen, China).

"Voltage regulation module, charging module, and charging pile" was invented by Yang Liu (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A voltage regulation module, a charging module, and a charging pile may be used to charge an electric vehicle, to regulate an output voltage in a wide range, and to implement seamless switching without power-off in a process of switching from a low-voltage output state to a high-voltage output state. The voltage regulation module includes a first DC/DC converter group and a second DC/DC converter grou...