ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,150, issued on March 18, was assigned to MARQUARDT GMBH (Rietheim-Weilheim, Germany).
"Operator control and/or display device" was invented by Dietmar Weisser (Tuttlingen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A touch screen operator control and/or display device (1), for a motor vehicle has a display element (2). At least one graphics element (3) can be represented on the display element (2) by visible light radiation. A sensor (4) detects the representation of the graphics element (3). The sensor (4) detects in particular, changes in brightness on the display element (2)."
The patent was filed on Oct. 23, 2020, under Application...