ALEXANDRIA, Va., June 25 -- United States Patent no. 12,339,301, issued on June 24, was assigned to Hypower Microelectronics (Wuxi) Co. Ltd. (Wuxi, China).
"AC/DC voltage detection circuit" was invented by Ning Zhu (Wuxi, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides an alternating current (AC)/direct current (DC) voltage detection circuit, which includes a rising edge trigger circuit and a detection and output circuit connected to an output terminal of the rising edge trigger circuit. When the operating voltage is higher than the preset voltage, the determination circuit activates the detection and output circuit to detect the change of the operating voltage and the ta...