Apparatus for controlling an elevator

Details Apparatus for controlling an elevator Apparatus for controlling an elevator

1983-02-15

1984-09-25

Truhe, J. V.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

B66B 502

Patent

active

044731353

ABSTRACT:
An apparatus for controlling an elevator, which comprises a managing first electronic computer for managing the service of the start and stop of an elevator cage and a controlling second electronic computer for controlling the speed of the cage in accordance with a command from said first computer, wherein when the managing first computer becomes defective, the cage is conveyed to the nearest floor by the controlling second computer and when the second computer becomes defective, the cage is conveyed at a low speed to the nearest floor by the first computer and a manual operating circuit. Therefore, regardless of which of the first and/or second computers become defective, the cage can be automatically operated to the nearest floor and the passengers in the cage can be rescued.

REFERENCES:
patent: 4210226 (1980-07-01), Ichioka
patent: 4326606 (1982-04-01), Kuzunuki et al.
patent: 4350225 (1982-09-01), Sakata et al.
"Hitachi Hyoran", vol. 63, No. 10 (1981-10), pp. 18-19, Masao Nakazato et al., Development of Solid State D.C. Elevators With Microprocessor Control.

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