Elevator control system

Details Elevator control system Elevator control system

B - Operations, Transporting

66

B

364/34

B66B 3/02 (2006.01) B66B 1/34 (2006.01) B66B 5/02 (2006.01)

Patent

CA 1056076

ABSTRACT OF THE DISCLOSURE A pulse generator supplies to a logic unit, pulses whose number is determined by a quantity of movement of an elevator car. The logic unit effects the algorithm and comparison of the quantity of movement of the car and a command quantity of movement of the car to produce a speed signal which, in turn, controls the car. The pulses are also stored in a memory and an electric source energizes the memory and the pulse generator for a predetermined time after the occurrence of an emergency.

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