Elevator service information apparatus
Elevator servicing methods and apparatus
Elevator shuttle employing horizontally transferred cab
Elevator signal device
Elevator signal system
Elevator signaling system
Elevator signalling system
Elevator speed sensor
Elevator standing time and door control
Elevator starting
Elevator stop control arrangement
Elevator stopping device
Elevator structure
Elevator supervision
Elevator supervision system
Elevator supervisory control
Elevator supervisory system
Elevator suspension arrangement
Elevator swing car assignment to plural groups
Elevator swing car service of interrise hall calls