To provide an information processing device that has significantly reduced communication capacity.SOLUTION: In a navigation system, a navigation device as an information processing device includes: a map information acquisition unit that acquires at least a part of second map information created or updated at clock time after creation clock time or update clock time of first map information stored in a first storage unit via a wireless communication network; a location information acquisition unit that acquires location information indicating a user's location; and a determination unit that determines whether or not the user is located on a road that satisfies a predetermined road condition based on the location information acquired by the location information acquisition unit. The second map information includes a VICS conversion table 658 as one or more pieces of second correspondence information. When the determination unit determines that the user is located on a road that satisfies the predetermined road condition, the map information acquisition unit acquires second correspondence information related to the user's location indicated by the location information among the one or more pieces of second correspondence information.SELECTED DRAWING: Figure 8

    【課題】通信容量を大きく削減した情報処理装置を提供する。【解決手段】ナビゲーションシステムにおいて、情報処理装置であるナビゲーション装置は、無線通信ネットワークを介して、第1記憶部に記憶されている第1地図情報の作成時刻又は更新時刻よりも後の時刻に作成又は更新された第2地図情報の少なくとも一部を取得する地図情報取得部と、ユーザの位置を示す位置情報を取得する位置情報取得部と、位置情報取得部が取得した位置情報に基づいて、ユーザが予め定められた道路条件を満足する道路に位置するか否かを判定する判定部とを備える。第2地図情報は、1以上の第2対応情報としてのVICS変換テーブル658を含む。地図情報取得部は、判定部が、ユーザが予め定められた道路条件を満足する道路に位置すると判定した場合に、1以上の第2対応情報のうち、位置情報により示されるユーザの位置に関連する第2対応情報を取得する。【選択図】図8


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    Title :

    INFORMATION PROCESSING DEVICE, ROUTE GUIDANCE DEVICE, PROGRAM, AND INFORMATION PROCESSING METHOD


    Additional title:

    情報処理装置、経路案内装置、プログラム、及び、情報処理方法


    Contributors:
    MIURA NAOKI (author) / HIGASHI DAISUKE (author) / AOKI YUTA (author) / HOANG CONG MINH (author)

    Publication date :

    2021-10-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS / G09B Unterrichts- oder Vorführungsgeräte , EDUCATIONAL OR DEMONSTRATION APPLIANCES




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