ALEXANDRIA, Va., June 19 -- United States Patent no. 12,332,706, issued on June 17, was assigned to SHENZHEN MICROBT ELECTRONICS TECHNOLOGY Co. LTD. (Shenzhen, China).
"Resonant tank circuit, wide voltage input/output power supply, and electronic device" was invented by Yang Gao (Guangdong, China), Yuefeng Wu (Guangdong, China), Jianli Wei (Guangdong, China) and Zuoxing Yang (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A resonant tank circuit includes: a number-of-turns variable transformer unit, having an input end coil and an output end coil, the input end coil including at least two first connection ends and a second connection end, where a number of coil turns between each of the firs...