Bi-directional shock sensor employing reed switch

Details Bi-directional shock sensor employing reed switch Bi-directional shock sensor employing reed switch

1998-11-18

1999-12-14

Friedhofer, Michael

Electricity: circuit makers and breakers

Special application

Change of inclination or of rate of motion responsive

H01H 3514

Patent

active

060020911

ABSTRACT:
A bidirectional shock sensor is constructed from a reed switch positioned between two shock sensing magnets. Each magnet is an annular ring which travels parallel to the reed switch reeds on a shaft spaced in a direction perpendicular to the axis of the reed switch. A spring pre-loads a first magnet against a first stop. A second spring pre-loads a second magnet against a second stop. The direction of travel of the first and second magnets is opposite and the first and second stops are positioned at opposite ends and on opposite sides of the reed switch. The magnets and the shafts on which they travel are positioned on identical housings which are arranged as mirror images with the reed switch positioned therebetween.

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