Elevator – industrial lift truck – or stationary lift for vehicle – Having independent supports carrying distinct loads and...
Reexamination Certificate
2008-07-01
2008-07-01
Salata, Jonathan (Department: 2837)
Elevator, industrial lift truck, or stationary lift for vehicle
Having independent supports carrying distinct loads and...
C187S383000, C187S388000
Reexamination Certificate
active
10552998
ABSTRACT:
An elevator group control apparatus collectively controls an elevator system where at least two cars can travel in each shaft independently of each other. The apparatus has a destination floor registration device installed at each hall for passengers to register destination floors and to indicate to passengers which cars will serve respectively for the registered destination floors. Priority zones and a shared zone for upper cars and for lower cars are set; a judgment is made as to whether the shared zone set can be entered by an upper or lower car; a car is put on standby based on the judgment a car is sent to a withdrawal floors, as necessary, after a service is completed. A car is selected as a candidate for assignment to a destination call if, according to the destination to be served by each car and the zones set for each car, so that the car would cause neither collision nor safety stop; and a car is assigned based on the selection.
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Atsuya Fujino et al., “Basic Study on Mass Transportation Systems in Buildings by Means of Multiple-cage Elevators”, T.IEE Japan, vol. 117-D, No. 7, '97, pp. 815-822.
Leydig , Voit & Mayer, Ltd.
Mitsubishi Denki & Kabushiki Kaisha
Salata Jonathan
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