ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,104, issued on Feb. 10, was assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP. LTD. (Guangdong, China) and POWERLAND TECHNOLOGY INC. (Jiangsu, China).

"Power source supplying apparatus, circuit control method, and power supply system" was invented by Chen Tian (Guangdong, China), Jialiang Zhang (Guangdong, China), Jingpeng Zhu (Jiangsu, China), Weiwei Lu (Jiangsu, China), Juanjuan Sun (Jiangsu, China) and Julu Sun (Jiangsu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power supply device, a circuit control method and a power supply system, belonging to the field of power supply conversion technologies. The power supply device can e...