1–5 von 5 Ergebnissen
|

    Energy-saving elevator distribution control method and system and elevator

    Freier Zugriff
    SU WENSHENG / ZHENG SONGHE / GUO ZHIHAI | Europäisches Patentamt | 2022

    Elevator part fault processing method and system

    Freier Zugriff
    ZHENG SONGHE / HE ZHIJIE / GUO ZHIHAI | Europäisches Patentamt | 2022

    Elevator control method, device and system

    Freier Zugriff
    WANG WENJUN / ZHENG SONGHE / KE HONGTAO | Europäisches Patentamt | 2023

    Elevator door lock electric switch pre-diagnosis system and method

    Freier Zugriff
    QIU CHENGDONG / ZHAI YULIN / ZHENG SONGHE et al. | Europäisches Patentamt | 2015

    Elevator car manned space detection method

    Freier Zugriff
    WANG WENJUN / ZHANG WENJUN / ZHENG SONGHE et al. | Europäisches Patentamt | 2015