A vehicle system comprises an onboard apparatus that is mounted to a vehicle, and a portable device. The vehicle system controls the vehicle according to a result of collation using wireless communication in which a signal is transmitted and received on electric wave, between the onboard apparatus and the portable device. The onboard apparatus includes a vehicle-side transmission processor that transmits a first signal which specifies signal intensity information and, following transmission of the first signal, transmits a second signal having a signal intensity, the signal intensity information being information on the signal intensity of the second signal. The portable device includes a portable device-side reception antenna that receives a signal transmitted from the vehicle-side transmission antenna, a signal intensity measurement portion, and a reply determiner that determines whether a replay is performed to the onboard apparatus for the collation.


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    Titel :

    Vehicle system, onboard apparatus, and portable device


    Beteiligte:
    KATOU KENJI (Autor:in) / NAGAI NOBUYOSHI (Autor:in)

    Erscheinungsdatum :

    2018-07-24


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / E05B LOCKS , Schlösser / G07C TIME OR ATTENDANCE REGISTERS , Zeit- oder Anwesenheitskontrollgeräte



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