US Patent Issued to Joulwatt Technology on June 23 for "Operational amplifier circuit and switching circuit using the same" (Chinese Inventor)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,665,558, issued on June 23, was assigned to Joulwatt Technology Co. Ltd. (Hangzhou, China).

"Operational amplifier circuit and switching circuit using the same" was invented by Yang Cheng (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an operational amplifier circuit and a switching circuit. The operational amplifier circuit comprises a main operational amplifier, which performs operational amplification based on a reference signal and a feedback signal of an output voltage of the switching circuit to obtain an operational amplification signal for controlling a switching state of the switching circuit, and generates an adju...