Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1975-01-27
1976-08-10
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
039736490
ABSTRACT:
An elevator control apparatus is provided with means for detecting a new type of elevator car traffic information consisting of the information indicating, by allotting the passengers in the car to resistered cage calls, how many passengers classified for each of destination floors are in the car, namely, the information indicating the number of in-cage passengers classified for each of destination floors. In an apparatus comprising means for allotting a hall call generated to an optimum one of a plurality of cars and means for detecting the number of prospective passengers waiting on the floors, the number of prospective passengers waiting at the floor the hall call from which is allotted to the car and the number of passengers classified for each of destination floors are added to or subtracted from the number of passengers in the car for each floor involved thereby to forecast the number of in-cage passengers in the leading floors. It is decided whether there is room available or not in the car for accomodating additional passengers at the leading floors, by comparing the forecast number of passengers in the car with a predetermined number limit of the passengers for the car. By the use of the result of this decision, the hall call is prevented from being allotted to a car having no room for accomodating additional passengers.
REFERENCES:
patent: 3511342 (1970-05-01), Hall et al.
patent: 3739880 (1973-06-01), Robaszkiewicz
patent: 3746131 (1973-07-01), Hirasawa et al.
Iwasaka Tatsuo
Kaneko Takashi
Kinoshita Hiroshi
Yuminaka Takeo
Duncanson Jr. W. E.
Hitachi , Ltd.
Schaefer Robert K.
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