ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,262, issued on Sept. 30, was assigned to Mitsubishi Electric Research Laboratories Inc. (Cambridge, Mass.).

"Touchless elevator user interface" was invented by William Yerazunis (Acton, Mass.), Aleef Mahmud (Boston) and Brian Lee (Buena Park, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods having a touchless operating panel with buttons and an electronic circuit (EC). The system including a proximity sensor (PS) associated with an associated button and positioned proximate thereto. The PS arranged to generate a button detection zone around the associated button and detect a presence within the button detection zone. When t...