Elevator monitor apparatus

Details Elevator monitor apparatus Elevator monitor apparatus

1990-06-12

1991-11-12

Pellinen, A. D.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

B66B 300

Patent

active

050640267

ABSTRACT:
An elevator monitor apparatus comprises an elevator control device for controlling the driving of an elevator, an individual control device for controlling the status of elevators building by building, a central monitor device for centrally monitoring the status of the elevator in a plurality of buildings. There is also provided a job start signal generation device for generating a job starting signal when an elevator maintenance and check-up job is started, a job completion signal generation device for generating a job completion signal when an elevator maintenance and check-up job is finished, and a communication control device for communicating with the elevator control device according to an instruction from the individual control device and for outputting an abnormality signal to the central monitor device when a job completion signal from the job completion signal generation device is not detected before a predetermined time has elapsed.

REFERENCES:
patent: 3916405 (1975-10-01), Gotanda
patent: 4568909 (1986-02-01), Whynacht
patent: 4622538 (1986-11-01), Whynacht et al.
patent: 4703325 (1987-10-01), Chamberlin et al.

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