Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1975-03-21
1976-12-28
Schaefer, Robert K.
Elevator, industrial lift truck, or stationary lift for vehicle
Stationary lift for roadway vehicle or required component...
Having specific drive means for support
B66B 118
Patent
active
039996310
ABSTRACT:
In an elevator control system comprising a plurality of cars serving a plurality of floors, hall call register means provided on the landing of each floor, cage call register means provided in each car, and means for detecting the number of passenger in each car;
The improvement comprising means for forecasting the number of in-cage passengers for every destination floor by allotting the detected number of in-cage passengers to the cage calls, means for detecting the number of waiting passengers provided on the landing of specified floors, means for setting the number of waiting passengers on other than the landing of the specified floors, means for sequentially adding the detected number of prospective passengers waiting on each of the specified floors that have generated the hall calls to the detected number of in-cage passengers, means for sequentially adding the setting of the number of waiting passengers on each of the floors other than the specified floors that have generated the hall calls to the number of detected passengers, means for subtracting the number of forecast in-cage passengers for every destination floor from the detected number of in-cage passengers, means for setting the limit of in-cage passenger number, and means for detecting serviceable floors by comparing the forecast number of in-cage passengers for each floor obtained by the addition and subtraction with the limit of in-cage passenger number.
REFERENCES:
patent: 3511342 (1970-05-01), Hall et al.
patent: 3682275 (1972-08-01), Loshbough et al.
patent: 3746131 (1973-07-01), Hirasawa et al.
Iwasaka Tatsuo
Kaneko Takashi
Kawamoto Yukio
Kinoshita Hiroshi
Yuminaka Takeo
Duncanson Jr. W. E.
Hitachi , Ltd.
Schaefer Robert K.
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