ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,238,443, issued on Feb. 25, was assigned to CANON K.K. (Tokyo).

"Photoelectric conversion device and imaging system" was invented by Kazuo Yamazaki (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The photoelectric conversion device includes a plurality of pixels arranged to form a plurality of columns, a plurality of AD conversion circuits provided corresponding to the plurality of columns, and a control circuit configured to control the AD conversion circuits. The plurality of pixels includes an OB pixel arranged in a first column and an effective pixel arranged in a second column. The plurality of AD conversion circuits each include a ...