ALEXANDRIA, Va., April 2 -- United States Patent no. 12,267,045, issued on April 1, was assigned to Sun Yat-Sen University (Guangzhou, China).
"Weak-signal reading circuit for sensor" was invented by Kai Wang (Guangzhou, China), Huimin Li (Guangzhou, China) and Xianda Zhou (Guangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a weak-signal reading circuit for a sensor, comprising a sensing signal input amplifying unit and a signal reading unit. The sensing signal input amplifying unit comprises a first transistor, wherein a gate and a drain of the first transistor are connected with a sensor; the signal reading unit is connected to a source of the first transistor, the first transistor...