A method for authorizing the use of a motor vehicle by a portable identification transmitter is provided. According to the method, a first vehicle antenna emits a first signal, which is received by an identification-transmitter antenna. The identification transmitter determines at least one of the spatial components of the first electromagnetic field of the received first signal. A second vehicle antenna emits a second signal, which is received by the identification-transmitter antenna. The identification transmitter determines at least one of the spatial components of the second electromagnetic field of the received second signal. A computer determines the angle between the determined spatial component of the first electromagnetic field and the determined spatial component of the second electromagnetic field. The identification transmitter transmits an authorization signal for authorizing use of the motor vehicle to the motor vehicle only if the angle exceeds a predetermined threshold value.


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    Title :

    AUTORISIERUNG DER NUTZUNG EINES KRAFTFAHRZEUGS


    Additional title:

    AUTHORIZING THE USE OF A MOTOR VEHICLE
    AUTORISATION D'UTILISER UN VÉHICULE À MOTEUR


    Contributors:

    Publication date :

    2022-03-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    German


    Classification :

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



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