ALEXANDRIA, Va., June 16 -- United States Patent no. 12,307,791, issued on May 20, was assigned to Continental Automotive France (Toulouse, France) and Continental Automotive GmbH (Hannover, Germany).
"Method for determining a drowsiness level of a motor vehicle driver" was invented by Alain Giralt (Toulouse, France) and Martin Petrov (Toulouse, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for determining a level of drowsiness of a driver of a motor vehicle on the basis of a predetermined image analysis algorithm, the vehicle including a camera and a computer, the computer implementing the predetermined algorithm on the basis of a set comprising at least one parameter relating to the attitu...