Safety device for monitoring a movable element

Safety system for restraining movement of elevator car when...

Secondary conductor of an elevator-driving linear induction moto

Self-generating elevator emergency power source

Self-operable reserve power system for an elevator system

Semi-active elevator hitch

Shuttle elevators feeding local elevators

Single inverter controller for elevator hoist and door motors

Speed control apparatus for compensating vibration of elevator

Stabilizing system for orienting and elevating a vehicle

Start jerk reduction for an elevator

Strut for coupling linear drive to elevator car or...

Super-capacitor energy storage unit for elevator installations

Switch over from the mains supply to a frequency converter...

System for control and deceleration of elevator during...