ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,532,090, issued on Jan. 20, was assigned to Commissariat a l'Energie Atomique et aux Energies Alternatives (Paris).
"High dynamic range image sensor" was invented by Josep Segura Puchades (Grenoble, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a pixel circuit of an image sensor, the pixel circuit comprising: a pinned photodiode (PD) coupled to a sense node (SN); a comparator (104) configured: to compare, during a first read phase, a first sense node voltage (Vpix) at the sense node (SN) with a first voltage ramp (V_RAMP) and to generate an output signal (WRITE) if the voltage of the first voltage ramp (V_RAMP) ...