A secure vehicle access system (500) comprises a vehicle (510) and a key (520) associated with the vehicle (510). The key (520) comprises: a radio frequency, RF, key transceiver (534) configured to: broadcast at least one signal; and listen for an acknowledgement message from the vehicle (510). The vehicle (510) comprises: a radio frequency, RF, vehicle transceiver (517) configured to: listen for the at least one broadcast signal from the key (520); and in response thereto, transmit an acknowledgement message back to the key (520) to establish a communication link between the vehicle (510) and the key (520). The key (520) further comprises a ranging circuit (554) configured to perform a distance determination between the vehicle (510) and the key (520), following the establishment of the communication link, to determine whether to allow access to the vehicle (510).


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    Title :

    SECURE VEHICLE ACCESS SYSTEM, KEY, VEHICLE AND METHOD THEREFOR


    Additional title:

    SICHERES VENTILZUGANGSSYSTEM FÜR FAHRZEUG, SCHLÜSSEL, FAHRZEUG UND VERFAHREN DAFÜR
    SYSTÈME D'ACCÈS SÉCURISÉ DE VÉHICULE, CLÉ, VÉHICULE ET PROCÉDÉ ASSOCIÉ


    Contributors:

    Publication date :

    2019-11-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    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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