ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,418,738, issued on Sept. 16, was assigned to Canon K.K. (Tokyo).
"Photoelectric conversion apparatus, photoelectric conversion system, and photoelectric conversion method for shading correction" was invented by Takeshi Shimada (Kanagawa, Japan), Keisuke Takahashi (Tokyo), Keita Masuda (Tokyo) and Hideo Kobayashi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Photoelectric conversion apparatus includes read circuit for reading signals of pixel array, and signal processing unit for generating pixel signal by performing CDS on signals read by the read circuit and performing shading correction on the pixel signal. The read circuit has function of re...