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Device for detecting a user's intention to lock or unlock a motor vehicle door and associated door handle
A device for detecting a user's intention to lock or to unlock a motor vehicle door. The device contained in a watertight housing, integrated into a non-watertight handle, the lower part of which includes drainage holes, a part of the housing being immersed in water. The device including: a capacitive approach and/or contact detection sensor, having at least one detection electrode, a variable detection capacitance representative of the approach of the user's hand, a charging/discharging capacitor Cs, and a protective electrode Ep situated in the part of the housing that is immersed in water, electrically coupled to the detection electrode and connected to a terminal of the charging/discharging capacitor Cs such that the protective electrode Ep is simultaneously at the same potential as the terminal of the charging/discharging capacitor during the various steps of charging/discharging the detection capacitor and the charging/discharging capacitor that are necessary to estimate the detection capacitance.
Device for detecting a user's intention to lock or unlock a motor vehicle door and associated door handle
A device for detecting a user's intention to lock or to unlock a motor vehicle door. The device contained in a watertight housing, integrated into a non-watertight handle, the lower part of which includes drainage holes, a part of the housing being immersed in water. The device including: a capacitive approach and/or contact detection sensor, having at least one detection electrode, a variable detection capacitance representative of the approach of the user's hand, a charging/discharging capacitor Cs, and a protective electrode Ep situated in the part of the housing that is immersed in water, electrically coupled to the detection electrode and connected to a terminal of the charging/discharging capacitor Cs such that the protective electrode Ep is simultaneously at the same potential as the terminal of the charging/discharging capacitor during the various steps of charging/discharging the detection capacitor and the charging/discharging capacitor that are necessary to estimate the detection capacitance.
Device for detecting a user's intention to lock or unlock a motor vehicle door and associated door handle
SPICK GABRIEL (author) / VAYSSE BERTRAND (author) / PERIS BERNADETTE (author) / BAUDRU STÉPHAN (author)
2022-08-23
Patent
Electronic Resource
English
IPC:
B60R
Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen
,
VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
/
E05B
LOCKS
,
Schlösser
/
G01D
MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE
,
Anzeigen oder Aufzeichnen in Verbindung mit Messen allgemein
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