A seat-occupancy and occupant-class detector for a vehicle seat having a back part and a seat part has an insulated but conductive surface element mounted on the seat part of the vehicle seat roughly parallel to a seat cushion thereof. A signal generator feeds an electrical measuring signal to the surface element, and first and second receiving electrodes are provided in the backrest at different spacings from the surface element but vertically level with each other such that the measuring signal of the surface element induces different voltages in the receiving electrodes. Calculation and evaluation steps performed in an evaluation unit take as their basis a value that is a quotient of different measurements for the same physical size and is therefore dimensionless. The reason for this is the arrangement of the two receiving electrodes at a different spacing from the conductive surface element on the seat cushion side.


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    Titel :

    SEAT-OCCUPANCY AND OCCUPANT-CLASS DETECTOR FOR MOTOR-VEHICLE SEAT


    Beteiligte:

    Erscheinungsdatum :

    2019-03-28


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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