System for detecting the presence of a user particularly for motor vehicle
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United States of America Patent
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Jul 22, 2008
Grant Date -
Dec 30, 2004
app pub date -
Nov 25, 2002
filing date -
Dec 12, 2001
priority date (Note) -
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Abstract
The invention relates to a system for detecting the presence of a user, in particular in relation to a motor vehicle door. The inventive system comprises: a handle (1) which is mounted on the door, and a presence sensing device comprising a control module, a sending electrode (7) and a reference electrode (6), each of said electrodes being connected to the control module and being disposed, at least in part, at the handle. The inventive system can be used to connect the aforementioned electrodes electromagnetically to one another in order to define a user presence detection zone. The detection of the user in said zone enables at least one given vehicle function to be controlled. According to the invention, the system also comprises means of creating at least one user presence non-detection zoned (10) through the local modification of the presence detection zone.
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