Otis Worldwide (US:OTIS) Jin Rong Jie·2025-12-31 08:46Group 1 - Otis Elevator Company has applied for a patent titled "Elevator System with Proximity Hazard Warning System" with publication number CN121225410A, filed on June 2025 [1] - The patent abstract describes an elevator system that includes a hoistway, a movable elevator car within the hoistway, a controller coupled to the elevator car, a counterweight movable within the hoistway, and a proximity hazard warning system [1] - The proximity hazard warning system consists of a warning system controller and a distance sensor, which is operationally coupled to the warning system controller and installed in one of the elevator car, counterweight, or hoistway wall [1] Group 2 - The warning system controller is configured to receive sensor data from the distance sensor while operating in inspection mode [1] - It detects when the distance between the elevator car and counterweight is less than a stopping distance while they are moving towards each other [1] - The first response action includes slowing down the elevator car, stopping the elevator car, and issuing one or more auditory alarms through communication with the car controller [1]