Patent ID: 6853301
Filing Date: 2005-02-08
Classification: G08B,H01H

Abstract:
1. An electro-mechanical motion sensor for detecting the unauthorized movement of an object and which responds to motion in all axes, said sensor comprising a housing having a base, cap and peripheral wall defining the interior of said housing wherein said base and cap have internal and external surfaces with a mid-point thereon and a series of radially extending electrical contacts on the internal surfaces of the base and cap, said contacts extending from about said mid point of said base and cap, wherein a metallic post is located between the mid points on the base and cap respectively and wherein a metallic ball is provided within the housing and is of sufficient size that it can roll freely within the interior of said housing always in contact with said radially extending contacts, peripheral wall or metallic post wherein said metallic ball will tend to come wrest in a position against said metallic post or peripheral wall while touching one or more of said radially extending contacts such that an electrical circuit is formed by contact between said metallic ball and said metallic post or peripheral wall and said radially extending contacts wherein the radially extending contacts, peripheral wall, metallic post and metallic ball are gold plated.