US Patent Issued to Distance Technologies on Sept. 16 for "Calibrating heads-up display using infrared-responsive markers" (Finnish Inventors)

ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,418,643, issued on Sept. 16, was assigned to Distance Technologies Oy (Helsinki).

"Calibrating heads-up display using infrared-responsive markers" was invented by Thomas Carlsson (Vantaa, Finland) and Ville Vehkapera (Oulu, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes an infrared (IR) light source(s); IR camera(s); an optical combiner, wherein a set of IR-responsive markers are located in at least one of: (i) within the optical combiner, (ii) on a semi-reflective surface of the optical combiner; and processor(s) configured to: control the IR camera(s) to capture IR image(s) of the optical combiner, whilst controlling the IR ...