Seat buckle sensor
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United States of America Patent
Stats
-
Oct 10, 2006
Grant Date -
Nov 18, 2004
app pub date -
Jan 20, 2004
filing date -
Jan 17, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A seat buckle sensor system is provided that provides an output representative of a lock condition of a seat belt buckle. The system includes a magnet on an end of a seat buckle lock pin and a Hall device. The lock pin, and magnet on the end thereof, move between a locked position and an unlocked position relative to the Hall device. The magnet imparts a first magnetic flux on the Hall device in the locked position causing the Hall device to produce a first output. The magnet imparts a second magnetic flux on the Hall device in the unlocked position causing the Hall device to produce a second output.
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