ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,904, issued on March 18, was assigned to LiveArena Technologies AB (Stockholm).

"System and method for producing a video stream" was invented by Magnus Danielson (Sollentuna, Sweden), Paul Van Den Haak (Bunnik, Netherlands) and Andreas Bjorkman (Taby, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems, including computer software products, for providing a shared digital video stream. Primary digital video streams are collected from at least two digital video sources. The primary digital video streams are time-synchronised with respect to a common time reference. The time-synchronised streams are analysed to detect at least on...