Seat belt force or tension sensor with programmable hall effect sensor
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United States of America Patent
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N/A
Issued Date -
Mar 27, 2003
app pub date -
Jun 27, 2001
filing date -
Jun 27, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A tension sensor comprising: relatively movable first and second pieces, the pieces movable between a first position to a second position, at least one of the pieces operatively connected to a seat belt; a spring for biasing the first and second pieces to the first position; a magnet located on and movable with one of the first and second pieces, the magnet generating a magnetic field; a magnetic means responsive to changes in the magnetic field resulting from the relative motion of the pieces for generating an output signal indicative thereof; a compensator or programmable element for compensating for variances in the spring and magnet from respective nominal operating parameters for causing the output signal to follow a desired signature irrespective of the variances of the spring and magnet.
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