ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,468,051, issued on Nov. 11, was assigned to CANON K.K. (Tokyo).

"Radiation detector, method of driving the radiation detector, and radiation-image pickup system with comparators at different distances from corresponding pixels" was invented by Tatsuhito Goden (Tokyo) and Takanori Watanabe (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A radiation detector includes a first pixel and a second pixel disposed in a same column, a first comparator connected with the first pixel via a first vertical signal line, and a second comparator connected with the second pixel via a second vertical signal line. A first distance from a conversion portion...