Computers and computer peripherals therefor; computer programs for use in monitoring, checking and controlling operation of elevators; electrical controllers for controlling the movements of plural cages of an elevator in order to reduce the waiting time for passengers or to reduce energy consumption during the night

'cage':26 'check':12 'comput':1,3,6 'consumpt':43 'control':14,19,21 'electr':18 'elev':17,29 'energi':42 'monitor':11 'movement':23 'night':46 'oper':15 'order':31 'passeng':38 'peripher':4 'plural':25 'program':7 'reduc':33,41 'therefor':5 'time':36 'use':9 'wait':35

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