A device for two-way detection of the approach of a portable apparatus for near-field hands-free access to a vehicle, said device including a communication antenna having a near-field communication frequency, the device including: a first passive inductive sensor oriented towards the outside of the vehicle, a second passive inductive sensor oriented towards the inside of the vehicle, the two sensors being arranged so as to face one another, separated by a ferrite, and receiving the electromagnetic field emitted by the communication antenna, and being capable of detecting the approach of the portable apparatus; a device for measuring a first voltage across the terminals of the first sensor and a device for measuring a second voltage across the terminals of the second sensor; a device for comparing the first voltage and the second voltage in order to detect the approach of the portable apparatus coming from outside or coming from inside the vehicle.


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    Titel :

    DISPOSITIF DE DETECTION BIDIRECTIONNELLE D'APPROCHE D'UN EQUIPEMENT PORTABLE D'ACCES MAIN LIBRE A UN VEHICULE ET PROCEDE DE DETECTION ASSOCIE


    Beteiligte:
    CHEIKH MOHAMED (Autor:in)

    Erscheinungsdatum :

    17.11.2017


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Französisch


    Klassifikation :

    IPC:    H04B TRANSMISSION , Übertragung / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR




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