ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,323, issued on Dec. 30, was assigned to Otis Elevator Co. (Farmington, Conn.).

"Automatically supporting social distancing for elevator call requests and identification of waiting passengers using deep learning and machine learning" was invented by Appalaraju Marpu (Telangana, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are embodiments for identifying waiting passengers outside an elevator using deep learning and machine learning and automatically supporting social distancing for elevator passengers. Embodiments include receiving a call request from an elevator floor; capturing an image of the elevator floor registering the call re...