A capacitive sensor arrangement (4), for sensing an approaching object (5), is configured as a contact sensor (9) including a plurality of aligned, flat, spaced apart electrodes (4.1 to 4.n). One electrode (4.1) is a main electrode (S) and other electrodes are auxiliary electrodes (H). The evaluation unit (6) monitors the electrodes (4.1 to 4.n) together, such that changes in the capacitances of the plurality of auxiliary electrodes and changes in the capacitance of the main electrode are sensed and compared with one another and/or are compared with prescribed reference values. The evaluation unit (6) plausibility checks the sensed changes (D(S)) in the capacitance of the main electrode (S) on the basis of the sensed changes (D(H)) in the capacitances of the plurality of auxiliary electrodes (H) as to whether or not contacting of the main electrode or an approach towards the main electrode (S) has taken place.


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    Titel :

    Capacitive sensor arrangement and vehicle outer handle


    Beteiligte:

    Erscheinungsdatum :

    02.06.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE , Anzeigen oder Aufzeichnen in Verbindung mit Messen allgemein / G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / H03K PULSE TECHNIQUE , Impulstechnik



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