A sensor device for a motor vehicle including a control and evaluation circuit and at least one sensor electrode coupled therewith, wherein the sensor electrode is designed as a conductor loop, which is coupled to the control and evaluation circuit at two contacts. The control and evaluation circuit has a measurement circuit, which monitors the sensor electrode for capacitance changes. The control and evaluation circuit includes a test connection that can be activated intermittently, which tests the integrity of the sensor electrode and its coupling to the control and evaluation circuit. The test connection has a triggering mechanism that can be activated in order to intermittently couple a test capacitor to the sensor electrode, such that the measurement circuit also detects the capacitance of the test capacitor in addition to the capacitance of the sensor electrode.


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    Titel :

    SENSOR ASSEMBLY FOR A MOTOR VEHICLE


    Beteiligte:
    SIEG BERTHOLD (Autor:in)

    Erscheinungsdatum :

    2016-08-11


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    E05F DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION , Vorrichtungen zum Bewegen der Flügel in die Offen- oder Schließstellung / 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



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