ALEXANDRIA, Va., July 9 -- United States Patent no. 12,355,453, issued on July 8, was assigned to SUZHOU MI TU OPTOELECTRONIC TECHNOLOGY Co. LTD. (Jiangsu, China).

"ADC circuit based signal digitization device and method thereof" was invented by Zhi Zhang (Suzhou, China), Xiao Han (Suzhou, China) and Rongzhao Tang (Suzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an ADC circuit based signal digitalization method, including: inputting the analog signal to the ADC circuit, and after being converted by the ADC circuit for the first time, outputting a first ADC output value Mi; adjusting the least significant bit of the ADC circuit based on the value of the higher bits of the output value...