| 摘要 |
PROBLEM TO BE SOLVED: To provided a portable fall switch not reacting to sway, vibration and inclination when carrying it, and to energize the portable fall switch when it falls to be used for a flash light and a crime prevention buzzer. SOLUTION: An insulation part 2 is provided between an electrode part 1 and an electrode part 4, a space where a conductive granular part 3 can move is formed, and the granular part 3 is disposed in it. With this arrangement, the granular part 3 does not overreact to shake, vibration and inclination when carrying and conducts between two electrode parts when it falls horizontally or handstands. COPYRIGHT: (C)2007,JPO&INPIT
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