Schindler's elevator
Left is a control panel of an elevator I found in my company's Beijing office (I guess it is a Schindler's elevator). Right is usual one at my home. In case of left, you have to input your floor number where you want to go and it will display elevator index which is probably a result from optimized calculation. It is very smart idea for a building which has multiple elevators and especially it can optimize path for people who want to travel to multiple floor together by selecting path-through route. Of course, it seems needs little more intelligence of passenger. In case of right, it is general design but when I was young I wondered I have to press down or up arrow for going up from base floor when it was at upper floor. I wondered I have to manipulate the elevator come to me at first? Do I need to press down arrow to let it descend? It was just an alternative idea for elevator system before building a model of it in my mind yet. Both designs want you to input where you want t...