US Patent Issued to SEEREAL TECHNOLOGIES on May 13 for "Display device and method for tracking a virtual visibility region" (British, German Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,522, issued on May 13, was assigned to SEEREAL TECHNOLOGIES S.A. (Munsbach, Luxembourg).

"Display device and method for tracking a virtual visibility region" was invented by Norbert Leister (Dresden Sachsen, Germany) and Bo Kroll (London).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a display device for representing two-dimensional and/or three-dimensional scenes. The display device comprises at least one illumination device to emit sufficiently coherent light, at least one spatial light modulation device, at least one optical system and a tracking device. A hologram is encoded into the at least one spatial light modulation...