1–5 von 5 Ergebnissen
|

    Visitor system taking two-dimensional code as medium for elevator and control method thereof

    Freier Zugriff
    ZHANG YIWEN / JIANG LEI | Europäisches Patentamt | 2015

    Fixing device for vehicle-mounted ultrasonic sensor

    Freier Zugriff
    ZHANG YIWEN / YU HONG / DAI YIFAN | Europäisches Patentamt | 2015

    Improved vehicle-mounted ultrasonic sensor fixing device

    Freier Zugriff
    YU HONG / ZHANG YIWEN / DAI YIFAN | Europäisches Patentamt | 2015

    Exploring the Effect of Transportation Facilities on Commute Mode Choice by Survey Data—A Case of Xi’an

    Zhang, Yiwen / Zhu, Jing / Fan, Yingling et al. | ASCE | 2021