Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1991-11-05
1994-02-01
Stephan, Steven L.
Elevator, industrial lift truck, or stationary lift for vehicle
Stationary lift for roadway vehicle or required component...
Having specific drive means for support
187133, B66B 120, B66B 300
Patent
active
052833992
ABSTRACT:
The invention relates to a group-control elevator system for controlling an operation of elevators a group by control data. The group-control elevator system stores a plurality of improvement measures corresponding to plural inconvenience phenomenon including a long average wait time for the plurality of elevators. The inconvenience phenomenon is detected from actual data of the elevators, and the actual data is obtained by actual elevator operation and one improvement measure is selected from the improvement measures in accordance with the detected inconvenience phenomenon.
REFERENCES:
patent: 4760896 (1988-08-01), Yamaguchi
patent: 4947965 (1990-08-01), Kuzunuki et al.
Fujino Atsuya
Inaba Hiromi
Tobita Toshimitsu
Yamani Hiroaki
Yoneda Kenzi
Hitachi , Ltd.
Nappi Robert
Stephan Steven L.
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