Even after the expansion of electric elevators, the elevator landing and the cabin doorsopen and check the output of lapatmak officials was needed to lift a long period of time. Passengers in the cabin lift by pressing buttons on their own run coincides with1890. The initial small cabin and the elevators are very slow but a few houses or a small number of people in and out could be used hans-rise business.
Electronic science progresses, the busiest buildings used in automatic controlsystems were developed for fast elevators. This automatic electronic equipment, lift a few of the buildings at the same time engaged in the distribution of the task a "command table" on function. These devices program in accordance with the direction of the passenger traffic, according to the elevators down regulate the output. Most ofthe structures is fully automatic elevators in a high of about 30 years. This is muchmore efficient elevators elevators controlled by human hands, fast and reliable.