Free fall sensor

Details Free fall sensor Free fall sensor

2007-07-17

2007-07-17

Noori, Max (Department: 2855)

Measuring and testing

Center of gravity; turning moment; metacentric height

Reexamination Certificate

active

11060817

ABSTRACT:
A free fall sensor includes an electrically conductive container, an electrically conductive pin having an end inserted into the container, and a movable electrode enclosed in the container, the movable electrode including a coil spring cantilevered on the end of the conductive pin and a weight disposed in an inner space of the coil spring so as to be movable and so as to be prevented from falling off. The weight is a sphere having a smaller diameter than the coil spring.

REFERENCES:
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patent: 5315996 (1994-05-01), Lundquist
patent: 2001/0026163 (2001-10-01), Sasaki et al.
patent: 2002/0056622 (2002-05-01), Yamashita et al.
patent: 1258942 (1961-04-01), None
patent: 2000-195206 (2000-07-01), None
patent: 2000195206 (2000-07-01), None
patent: 2001-185012 (2001-07-01), None
patent: 2001185012 (2001-07-01), None

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