Drive and control system of elevators is described, including collective group control that is combined with automatic traffic pattern control capable of fulfilling wide variety of traffic requirements; power supply and cabling.
Electric equipment in large elevator installations
Die elektrische Ausruestung grosser Aufzuganlagen
Siemens Zeitschrift ; 37 , n 2
1963
12 pages
Aufsatz (Zeitschrift)
Deutsch
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SECURITY SYSTEM FOR BUILDINGS WITH ELEVATOR INSTALLATIONS
Europäisches Patentamt | 2021
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