A communication controller transmits current location information of a subject apparatus to another pre-registered apparatus, and receives current location information of the another pre-registered apparatus. A location relationship determiner determines whether the subject apparatus precedes the another apparatus in a heading direction. An operation mode determiner operates the subject apparatus as a main device when it is determined that the subject apparatus precedes the another apparatus in the heading direction, and operates the subject apparatus as a sub device when it is determined that the subject apparatus does not precede the another apparatus in the heading direction. A function selector activates a function of transmitting heading direction information to the another apparatus when the subject apparatus is determined to be a main device, and activates a function of receiving the heading direction information from a main device when the subject apparatus is determined to be a sub device.


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    Title :

    Route guidance apparatus, route guidance method, and program


    Additional title:

    Routenführungsvorrichtung, Routenführungsverfahren und Programm
    Appareil de guidage d'itinéraire, procédé de guidage d'itinéraire et programme


    Contributors:

    Publication date :

    2017-03-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



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