A warning device includes: a sensor which is attachable to a supporting member and measures a distance, the supporting member being fixedly installed; and a notifier which performs notification using predetermined output. The sensor measures at least one of sensor-object distances and a moving object distance, the sensor-object distances being distances between the sensor and each of at least two moving objects which are approaching to each other, the moving object distance being a distance between the at least two moving objects which are approaching to each other, and the notifier performs the notification by varying a manner of the predetermined output according to the at least one of the sensor object distances and the moving object distance which are measured by the sensor.


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    Title :

    WARNING DEVICE AND STREET LIGHT SYSTEM


    Contributors:

    Publication date :

    2018-03-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES



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