US Patent Issued to Otis Elevator on Feb. 11 for "Automatic detection for abnormal movement of passenger in elevator" (Chinese Inventors)

ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,221,320, issued on Feb. 11, was assigned to Otis Elevator Co. (Farmington, Conn.).

"Automatic detection for abnormal movement of passenger in elevator" was invented by Adriaan Joris H. Larmuseau (Shanghai) and Changle Li (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A movement detection system for a passenger in the present invention includes: a first Bluetooth module (150) mounted in an elevator landing area; and a movement prediction unit (270) configured to predict, based on Bluetooth movement data, that a movement of a passenger in the elevator landing area is a normal movement or an abnormal movement. The movement detection system and a ...