DEVICE FOR DETECTING USER'S INTENTION TO LOCK OR UNLOCK MOTOR VEHICLE DOOR AND ASSOCIATED DOOR HANDLE
The present invention concerns a device for detecting a user's intention to lock or unlock a motor vehicle door, said device being included in a sealed housing, incorporated into a handle that is notsealed and the lower part of which comprises discharge holes, part of the housing being submerge...
Gespeichert in:
Hauptverfasser: | , , , |
---|---|
Format: | Patent |
Sprache: | chi ; eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | The present invention concerns a device for detecting a user's intention to lock or unlock a motor vehicle door, said device being included in a sealed housing, incorporated into a handle that is notsealed and the lower part of which comprises discharge holes, part of the housing being submerged in water, said device comprising: a capacitive sensor for detecting approach and/or contact, comprising at least one detection electrode, having a variable-value detection capacitor, the capacitance of which is representative of the approach of the hand of a user, a charge/discharge capacitor, the invention proposing the addition of a protection electrode situated in the part of the housing that is submerged in water, coupled electrically to the detection electrode and connected to a terminal of the charge/discharge capacitor such that the protection electrode is simultaneously at the same potential as the terminal of the charge/discharge capacitor during the different stages of charging/discharging the detection capa |
---|