Vehicle-sensitive actuation of a seatbelt retractor
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United States of America Patent
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Feb 21, 2006
Grant Date -
May 19, 2005
app pub date -
Nov 2, 2004
filing date -
Nov 4, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method for vehicle-sensitive actuation of a locking mechanism for a seatbelt retractor in a vehicle by means of a actuation signal that is generated by a control unit equipped with a microcontroller. Measured signals are transmitted to the control unit from several sensors that detect the vehicle situation. The actuation signal is suppressed when a suppression algorithm in the control unit determines that the seatbelt is not in use, that the vehicle is standing still, that the vehicle speed is not above a certain limit value, or that only the vehicle acceleration measured in the vertical direction exceeds a certain triggering limit value.
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