An elevator motion alert system for alerting a mechanic working inside a hoistway comprises a self-power-generating car beacon mounted on an elevator car, a self-power-generating counterweight beacon mounted on a counterweight, and a mobile device carried by the mechanic for receiving signals transmitted from the car beacon and the counterweight beacon and for providing an alert to the mechanic whenever the elevator car or the counterweight is approaching.
ELEVATOR MOTION ALERT SYSTEM
AUFZUGSBEWEGUNGSWARNSYSTEM
SYSTÈME D'ALERTE DE MOUVEMENT D'ASCENSEUR
2021-03-03
Patent
Electronic Resource
English
IPC: | B66B Aufzüge , ELEVATORS |