ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,556,838, issued on Feb. 17, was assigned to SONY ADVANCED VISUAL SENSING AG (Schlieren, Switzerland).

"Dynamic vision sensor architecture" was invented by Raphael Berner (Confignon, Switzerland) and Christian Brandli (Baden, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dynamic vision sensor (DVS) or change detection sensor reacts to changes in light intensity and in this way monitors how a scene changes. This disclosure covers both single pixel and array architectures. The DVS may contain one pixel or 2-dimensional or 1-dimensional array of pixels. The change of intensities registered by pixels are compared, and pixel addresses where the...