A voltage signal processing unit, a landing door fault location system and method, and an elevator system. The voltage signal processing unit includes: a first voltage signal input port; a second voltage signal input port; a first electrical level signal output port; a first voltage signal collection circuit, the first voltage signal collection circuit terminates with the first voltage signal input port and the first electrical level signal output port, the first voltage signal collection circuit is adapted to collect a first voltage signal received from the first voltage signal input port as a first electrical level signal output from the first electrical level signal output port; and a voltage signal bridge circuit, the voltage signal bridge circuit terminates with the first voltage signal input port and the second voltage signal input port, a normally open relay switch is provided.


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    Titel :

    VOLTAGE SIGNAL PROCESSING UNIT, LANDING DOOR FAILURE LOCATING SYSTEM AND METHOD, ELEVATOR SYSTEM


    Beteiligte:
    LI BICHUN (Autor:in) / WANG SHENHONG (Autor:in)

    Erscheinungsdatum :

    14.07.2022


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66B Aufzüge , ELEVATORS / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



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