To grasp useful information such as a dangerous point or the like which is further valuable to a vehicle and a driver while avoiding the enlargement of a database.SOLUTION: When an on-vehicle apparatus of a vehicle detects the generation of a trigger signal, data transmitted from the vehicle by wide-area radio communication is received by a server, and the position data are reflected to a content of an additional database DB1 in real time. When data which are the same as or similar to a point which is registered in the additional database DB1 in advance, the data are reflected to a content of the additional database DB1 after performing the averaging processing of a position in a step S26. Then, a lapse time counter Ct is initialized in S27, and an effective period is elongated. When the lapse time counter Ct reaches zero due to the lapse of a time without causing an update, the corresponding data are automatically erased from the additional database DB1.SELECTED DRAWING: Figure 3

    【課題】データベースが肥大化するのを避けつつ、各車両や運転者にとってより価値のある危険地点等の有用な情報を把握すること。【解決手段】各車両の車載器がトリガ信号の発生を検知した時に、各車両から広域無線通信により送信されるデータをサーバで受信し、この位置データを追加データベースDB1の内容にリアルタイムで反映する。既に追加データベースDB1に登録されている地点と同じか又は類似するデータを受信した場合には、ステップS26で位置の平均化処理を行ってから追加データベースDB1の内容に反映する。更に、経過時間カウンタCtをS27で初期化して有効期間の延長を可能にする。更新が発生することなしに、時間の経過により経過時間カウンタCtが0になると、該当するデータを追加データベースDB1から自動的に削除する。【選択図】図3


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    Title :

    VEHICLE INFORMATION DISTRIBUTION METHOD, INFORMATION DISTRIBUTION DEVICE AND MANAGEMENT PROGRAM


    Additional title:

    車両用情報配信方法、情報配信装置および管理用プログラム


    Contributors:

    Publication date :

    2018-12-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / G07C TIME OR ATTENDANCE REGISTERS , Zeit- oder Anwesenheitskontrollgeräte / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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