ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,444,117, issued on Oct. 14, was assigned to Varjo Technologies Oy (Helsinki).

"Server-side extended-reality pre-composition" was invented by Tarmo Rantila (Helsinki), Mikko Strandborg (Helsinki) and Antti Hirvonen (Helsinki).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes at least one server that is communicably coupled to at least one display apparatus. The at least one server is configured to obtain a real-world depth map corresponding to a target pose, and obtain a plurality of virtual-reality (VR) images and a plurality of VR depth maps for the target pose, wherein the plurality of VR images are generated by respective ones of a plur...