Device for detecting the presence of a user by a vehicle
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United States of America Patent
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Jul 14, 2015
Grant Date -
Oct 7, 2010
app pub date -
Sep 18, 2008
filing date -
Oct 3, 2007
priority date (Note) -
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Abstract
The invention relates to a device for detecting (CAPT) the presence of an object, that comprises at least one detection member (EA, EB) to which is associated a physical value that varies based on the environment in which said detection member (EA, EB) is located. The invention is characterised in that the physical value provides a variable reference level corresponding to the absence of an object and in that it further comprises a saving device (LOG IC) for saving, upon the emission of a low-frequency signal, a value of the reference level measured before the emission of said low-frequency signal.
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