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    Signal system fault analysis method and device based on knowledge graph

    Freier Zugriff
    WEI YI / ZHOU BONI / CHENG JINJIN et al. | Europäisches Patentamt | 2023

    Alarm information processing method in subway maintenance system and related equipment

    Freier Zugriff
    XIAO MENG / QIAO WENKE / CHENG YUANYAO et al. | Europäisches Patentamt | 2023

    Operation and maintenance data processing method and system of rail transit signal system

    Freier Zugriff
    XIAO MENG / LI JINHE / CHENG YUANYAO et al. | Europäisches Patentamt | 2023

    Radar protection mechanism of aircraft, radar system and aircraft

    Freier Zugriff
    ZHOU YUN / ZHANG LEI / LI YINGJIE et al. | Europäisches Patentamt | 2023

    Stoplog gate lifting appliance and safety control device

    Freier Zugriff
    JIA JIANMING / XIE WEILI / WU JIWEN et al. | Europäisches Patentamt | 2020