ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,434, issued on July 8, was assigned to Otis Elevator Co. (Farmington, Conn.).
"Safety system based on hoistway access detection" was invented by Giacomo Gentile (Bologna, Italy), Davide Martintoni (Trentino-Alto Adige, Italy), Enrico Manes (Feeding Hills, Mass.), Luca Manica (Riva del Garda, Italy), Marco Rocchetto (Verona, Italy) and Valerio Senni (Rome).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are embodiments that include a safety system and method for implementing presence detection. Embodiments can include a receiver that is configured to receive a signal from a transmitter, and a detection module that is configured to detect a sign...