| 摘要 |
PURPOSE: A sensor for operating vehicle warning signals is provided to improve the stability of vehicle operation by providing warning signals caused by sudden movement or sudden stop of a vehicle to a following vehicle. CONSTITUTION: A switch(5) is positioned at the outer periphery of a housing(1). The switch is magnetically activated. An electrical connector(6) connects the switch with a warning signal device(12) of a vehicle. A housing comprises a hollow hole part(7), a first spring(2), and a magnetic heavy body(3). The hollow hole part is positioned inside the housing. The first spring is positioned inside the hollow hole part. The magnetic heavy body is adjacent to the first spring.
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