A capacitive sensor arrangement includes: a sensing electrode having a capacitance (CX) which depends on the presence of an object in a detection space; a measurement device connected to the sensing electrode and configured to detect the capacitance (CX) of the sensing electrode; and a conducting structure, wherein the capacitance (CX) of the sensing electrode depends on a potential of the conducting structure. In order to obtain a reliable capacitive measurement, the measurement device is connected to a power supply between a first potential (VS) and a second potential (GND), the measurement device being connected to the second potential exclusively via the structure.
CAPACITIVE SENSOR ARRANGEMENT
2020-05-07
Patent
Elektronische Ressource
Englisch
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet / G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE , Anzeigen oder Aufzeichnen in Verbindung mit Messen allgemein / G01L Messen von Kraft, mechanischer Spannung, Drehmoment, Arbeit, mechanischer Leistung, mechanischem Wirkungsgrad oder des Drucks von Fluiden , MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE |
Capacitive sensor arrangement and vehicle outer handle
Europäisches Patentamt | 2020
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