System for detection of the locking states of a motor vehicle
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United States of America Patent
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-
Jun 30, 2009
Grant Date -
Sep 28, 2006
app pub date -
Aug 18, 2004
filing date -
Aug 28, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system for the detection of at least an open state of an opening of a motor vehicle and two other states of a lock of said opening, called a first state and a second state, includes two switching devices associated with the opening and the lock. One of the two switching devices includes a first contact breaker with a normally open or normally closed position detecting at least the open state of the opening. The two switching devices are connected to a ground cable. The first contact breaker detects the first state and is connected to a first information cable. The other of the two switching devices includes a second contact breaker with a position normally open or normally closed detecting two states and is connected to a second information cable. Of the two states, one is common with the state detected by the first contact breaker. The first and second information cables are connected to analytical means.
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