APPROACH AND/OR A CONTACT DETECTION DEVICE, ASSOCIATED METHOD AND VEHICLE DOOR HANDLE
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United States of America Patent
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N/A
Issued Date -
Feb 7, 2013
app pub date -
Jul 30, 2012
filing date -
Aug 3, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A device (2) for an approach and/or a contact detection, includes a capacitive sensor (3) designed to be mounted in a handle (1) of a door (5) of a vehicle in order to detect the presence of the hand or of a portion of the hand of a user in a first zone (10), called the unlocking zone, situated between the handle (1) and the door (5) of the vehicle and a second zone (11), called the locking zone, situated to the outside of the handle (1) on the side opposite to the door (5). A control circuit (4) grounds the locking electrode (16) associated with the locking zone (11) when the control circuit (4) triggers a detection measurement (U) in the unlocking zone (10) of the handle (1) with the aid of the unlocking electrode (15).
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