ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,730,312, issued on Sept. 8, was assigned to Dualitas Ltd (Milton Keynes, Great Britain).
"Hologram waveguiding" was invented by Jamieson Christmas (Milton Keynes, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments include systems and methods for operating a head-up display for a vehicle. Embodiments include a first light engine, a second light engine, at least one waveguide, an eye-box for a viewer, and a light detector. The first light engine is arranged to form a first wavefront (e.g., a first holographic wavefront) formed by illuminating a first hologram of a picture, and the second light engine is arranged to form a second wave...