ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,754,517, issued on Oct. 6, was assigned to OMEGA SA (Biel/Bienne, Switzerland).
"Contrast adjustment system for a display device" was invented by Antoine Ummel (Neuchatel, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A contrast adjustment system (100) for a display device of a watch (10), the case (12) of which can be removably arranged in an enclosure (4) of a thermal protection housing (1) for mechanical and/or functional components (5) of the watch (10), the display device being arranged facing a crystal (6) of the housing (1), the housing (1) including a reversible fastening device (13) fastening the case (12) of a watch (10) in the enc...