ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,946, issued on April 22, was assigned to Harbin Institute of Technology (Harbin, China).

"Differential proportional temperature measurement circuit and method based on bidirectional constant voltage drive" was invented by Hongxing Yang (Harbin, China), Shiyuan Lin (Harbin, China), Ziqi Yin (Harbin, China), Yan Wang (Harbin, China), Pengcheng Hu (Harbin, China) and Ruitao Yang (Harbin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A differential proportional temperature measurement circuit and method based on bidirectional constant voltage drive is proposed. The circuit and method applied to the precision temperature measurement of spacecraft, ...