To provide a method by which effective information to carry out a rail track construction safely can be notified outside a range of a distance to a train.SOLUTION: This system comprises a GPS antenna 121, a GPS receiver 122 receiving GPS information from a GPS satellite through the GPS antenna 121, a data renewal part 127 identifying a carrying position meaning a position of a portable device 120 using the GPS information, a travel information antenna 123, a travel information receiver 124 receiving travel information which includes a train position information indicating a train position meaning a position of a train and a speed information indicating a speed of a train, through the travel information antenna 123, a controller 130 calculating a train arrival time meaning a time for a train to arrive at the carrying position, using the carrying position, the position and speed of the train and a display part 131 displaying a picture image indicating at least the train arrival time.SELECTED DRAWING: Figure 4

    【課題】列車との距離以外に、安全に線路工事を行うために有効な情報を通知できるようにすること。【解決手段】GPSアンテナ121と、GPSアンテナ121を介して、GPS衛星からのGPS情報を受信するGPS受信部122と、GPS情報を用いて、携帯装置120の位置である携帯位置を特定するデータ更新部127と、走行情報用アンテナ123と、走行情報用アンテナ123を介して、列車の位置である列車位置を示す列車位置情報と、列車の速度を示す速度情報と、を含む走行情報を受信する走行情報用受信部124と、携帯位置、列車位置及び速度を用いて、列車が携帯位置に到達する時間である列車到達時間を算出する制御部130と、列車到達時間を少なくとも示す画面画像を表示する表示部131とを備える。【選択図】図4


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    Title :

    PORTABLE DEVICE AND NOTIFICATION SYSTEM


    Additional title:

    携帯装置及び通知システム


    Contributors:
    TSUJI KOKI (author)

    Publication date :

    2020-09-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC



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