ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,566, issued on April 15, was assigned to Chengdu Monolithic Power Systems Co. Ltd. (Sichuan, China).
"Preprocessing circuit for comparators and preprocessing method thereof" was invented by Changxian Zhong (Chengdu, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A preprocessing circuit for a comparator has a high voltage selection circuit, a first constant voltage circuit, a second constant voltage circuit, a first transistor, and a second transistor. The high voltage selection circuit receives a first voltage and a second voltage, and provides a selected voltage. The first constant voltage circuit provides a first clamping voltage based on the...