ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,472, issued on Jan. 20, was assigned to Bayerische Motoren Werke AG (Munich).

"Identifying the degree of attentiveness of a vehicle occupant on the basis of the frequency distribution of the eye opening width" was invented by Simone Camberg (Munich).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for operating a driver assistance system includes triggering an assistance measure according to a current degree of attentiveness of a vehicle occupant while a motor vehicle is traveling. The current degree of attentiveness is identified in that, during travel and within an observation interval, a current eye opening width of at least one eye of the ...