ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,870, issued on Feb. 3, was assigned to Caterpillar Inc. (Peoria, Ill.).
"Fatigue detection and operator alert system" was invented by Luvkush Kumar (Mathura, India), Tarashankar Mukherjee (Chinsurah, India), Robert A. Hamann (Tucson, Ariz.) and Jeffrey P. Labre (Oro Valley, Ariz.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fatigue detection and operator alert system is disclosed for detecting operator fatigue in a machine having a cab, a seat, and a joystick. The fatigue detection and operator alert system comprises an optic sensor positioned non-obstructively facing an operator and configured to output a first signal consisting of images captur...