ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,483,809, issued on Nov. 25, was assigned to Silead Inc. (Shanghai).
"Optical sensing system and analog-to-digital converter" was invented by Zhen Shi (Shanghai) and Shengrong Liu (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to an optical sensing system and an analog-to-digital converter. The optical sensing system includes a ramp signal generator, a digital logic circuit and a plurality of column circuits. The ramp signal generator is configured to generate a ramp signal and transmit the ramp signal to the column circuits. The ramp signal includes a signal of which a signal intensity varies with time, and a sig...