Patent ID: 6708801
Filing Date: 2004-03-23
Classification: B66B

Abstract:
A group controlled elevator control system for controlling a plurality of elevators by assigning the optimum elevator to a registered platform call, said system comprising:a plurality of elevators, wherein each elevator is capable of operating independently as a one-car elevator system; a plurality of platform call input/output units, wherein each platform call input/output unit controls the input/out of the registered platform call on each floor; a group control unit configured to assign the optimum elevator to a platform call registered therein; a plurality of operation control units, wherein each operation control unit is provided in each of a one-car elevator systems, and configured to control the operation of a corresponding elevator in response to at least an assignment control signal for a registered platform call; and a transmission line system comprising a first transmission line for independently connecting said platform call input/output unit to said operation control unit at every said one-car elevator system and a second transmission line for connecting said group control unit to each of said operation control units at every said one-car elevator system and connecting said operation control units to each other.