US Patent 7789204 Remote informing system for elevator

A remote alarming system for an elevator includes: an elevator control device; a wireless alarming device provided independently of the elevator control device, for transmitting failure information of an elevator from the elevator control device through wireless communication; a management device remotely provided from a building in which the elevator is installed, and which performs wireless communication; and a portable terminal which performs the wireless communication with the wireless alarming device and the management device via a base station. The management device includes a database in which management information corresponding to each of the elevators is registered in advance, determines an alarm destination based on the management information registered in the database at a time of reception of the failure information, creates a telegraphic message to be transmitted based on contents of the failure information, and transmits the created telegraphic message to the portable terminal which is the determined alarm destination. The wireless alarming device allows the communication from the portable terminal as the alarm destination to a passenger in a car by connecting with a speaker provided in the car of the elevator.