Seat belt positioning apparatus and method of use

摘要

A vehicle occupant protection apparatus (10) includes seat belt webbing (12), a field effect device (50) and a field source device (48) which, when energized, provides a field that energizes the field effect device (50). The webbing (12) is movable to a predetermined position in which it extends into the field to affect the field in a predetermined manner. The field effect device (50) has a first output when the webbing (12) is not in the predetermined position and has a second, different output when the webbing (12) is in the predetermined position. The output of the field effect device (50) thus indicates whether or not the webbing (12) is in the predetermined position.