Accessor
Accommodating visually handicapped in elevator up-peak channelin
Acoustical position detector
Acoustical seal for elevator car doors
Active control of elevator platform
Active elevator hitch
Active guide system for elevator cage
Active horizontal vibration reducing device for elevator
Active magnetic guide apparatus for an elevator car
Active magnetic guide system for elevator cage
Active slide for the doors of lifts' cabins
Active stabilization of serially connected capacitors in high vo
Active vibration control system for an elevator, which reduces h
Actuator having a two ended actuator rod movable longitudinally
Adaptive assignment of elevator car calls
Adaptive digital armature current control method for ward-leonar
Adaptive digital velocity control loop for a high performance el
Adaptive elevator security system
Adjustable arbor wheel mounting arrangement
Adjustable chain anchor for lift trucks