ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,982, issued on Sept. 29, was assigned to LITE-ON SINGAPORE PTE. LTD. (Singapore).

"Optical sensor" was invented by Yoshio Nishida (Singapore) and Seng-Yee Chua (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical sensor is provided. The optical sensor includes a photodiode and a differential current integrator. The differential current integrator includes a first input terminal, a second input terminal, a first output terminal and a second output terminal. The first input terminal of the differential current integrator is connected to the photodiode. The second input terminal of the differential current integrator is coupled to a fi...