ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,457,433, issued on Oct. 28, was assigned to ams Sensors USA Inc. (Plano, Texas) and ams Sensors Belgium BVBA (Berchem, Belgium).

"Self calibrating barrier modulation pixel" was invented by Denver Lloyd (Boise, Idaho), Scott Johnson (Boise, Idaho) and Adi Xhakoni (Kessel Lo, Belgium).

According to the abstract* released by the U.S. Patent & Trademark Office: "In an embodiment a method for operating a pixel arrangement includes, during an exposure period, accumulating, by a photodetector, in a first integration period, charge carriers, pulsing, at an end of the first integration period, a transfer transistor to a first voltage level for transferring a portion of the accumulated charge ...