ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,212, issued on March 17, was assigned to INIVATION AG (Zurich).

"Event sensor and method for producing a signal stream of event data" was invented by Chenghan Li (Zurich, Switzerland) and Arnaud Defernez (Azmoos, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "An event sensor and a method for producing a signal stream of event data in reaction to light incident on a pixel array. The event sensor includes: for each pixel of the array, a photodetector configured to produce a detector signal in reaction to light incident on the pixel; for each pixel or a group of the pixels a signal converter connected to the photodetector and configured to...