ALEXANDRIA, Va., March 3 -- United States Patent no. 12,568,321, issued on March 3, was assigned to PIXART IMAGING INC. (Hsin-Chu County, Taiwan).

"Time delay integration sensor with pixels having different sensing ability" was invented by Ren-Chieh Liu (Hsin-Chu County, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a time delay integration (TDI) sensor using a rolling shutter. The TDI sensor includes multiple pixel columns. Each pixel column includes multiple pixels arranged in an along-track direction, wherein two adjacent pixels or two adjacent pixel groups in every pixel column have a separation space therebetween. The separation space is equal to a pixel height mu...