SEAT BELT TENSION SENSING DEVICE

摘要

A seat belt tension sensing device has a seat belt tension sensor and a seat belt buckle. The seat belt tension sensor has a means for detecting and transmitting information about magnetic field strength, a magnet, and a means for positioning the magnet spaced from the sensor. The magnet is biased away from the sensor. The seat belt tension sensor maintained fixed relative to a structural member of a vehicle. The a seat belt buckle is attached directly or indirectly to the seat belt tension sensor so that tension on the seat belt buckle moves the magnet and sensor closer together or further apart.