| 摘要 |
A webbing tension sensing unit which includes a base and a cover and an elastically biasing element mounted within the base and cover. The webbing of, for example, a seat belt is operably connected to a sensor also housed within the base and cover. The sensor detects movement in relation to the elastically biasing element and generates electrical signals in proportion to the movement as a function of the tension in the webbing. The signals are used for analysis as part of a system to determine if devices such as an air bag or warning light should be triggered.
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