A device for inputting an elevator calling command and an elevator control system including the device. A device for inputting an elevator calling includes one or more button units, each of the button units including a switching element and a variable resistance circuit coupled with the switching element. The variable resistance circuit includes a button switch and a display element coupled in parallel, and a resistance value of the variable resistance circuit varies with a state of the button switch. The device further includes a control unit configured to determine a state of a corresponding button switch based on the resistance value of the variable resistance circuit within each of the button units, and to apply a pulse width modulation signal having different duty cycles onto a control terminal of a corresponding switching element based on the state as determined.
DEVICE FOR INPUTTING ELEVATOR CALL COMMANDS AND ELEVATOR CONTROL SYSTEM
27.03.2025
Patent
Elektronische Ressource
Englisch
DEVICE FOR INPUTTING CALL COMMANDS AND ELEVATOR CONTROL SYSTEM
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