ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,782,721, issued on Nov. 3, was assigned to AUMOVIO Germany GmbH (Frankfurt am Main, Germany).

"Head-up display image generating unit with cascaded mirror" was invented by Wolff von Spiegel (Muhltal, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A head-up display for transportation, having a picture generating unit for generating an image, an optical unit for projecting the image through a mirror unit, and a folding mirror whose angle of incidence and angle of reflection are not the same and wherein the folding mirror is arranged between a light source and a display element through which light therefrom radiates is disclosed."

The patent was fil...