Seat belt tension sensor

Measuring and testing – Dynamometers – Responsive to force

Reexamination Certificate

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Reexamination Certificate

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06978687

ABSTRACT:
A seat belt tension sensor for sensing tension in a seat belt. The sensor includes a main plate and a travel member moveable relative to the main plate against a spring force. A sensor provides an output in response to the relative movement indicative of the tension applied to the seat belt. The spring force may be provided by one or more leaf springs.

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Joseph P. Heremans, “Magnetic Field Sensors for Magnetic Position Sensing in Automotive Applications”, Apr. 1, 1997.

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