Importance

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Abstract

A magnetically activated switch includes a flexible metallic strip on the inside of a sealed encasement, having first and second ends. The first end provides for an electrical contact and extends through the wall of the sealed encasement, with the strip being firmly secured by the wall of the encasement at the exit point, leaving the second end unsupported and having a magnetic responsive element attached. A first dipole magnet is coupled to the flexible metallic strip and located within the sealed encasement, intermediate the first and second ends. Second and third dipole magnets are diametrically opposed and separate to each other where each of the second and third dipole magnets are fixedly coupled to the inside surface of the sealed encasement. Two electrical terminals coupled respectively to the second and third dipole magnets extending through the sealed encasement. A magnetic activation device in sliding engagement with the outside surface of the sealed encasement effects the movement of the magnetic contact by sliding to first and second positions corresponding to alignment of the second and third dipole magnets creating an electrical circuit flowing from the flexible metallic strip to one of said two electrical terminals.

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First Claim