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Magnetic non-contact switch

Image Number 4 for United States Patent #8013707.

A switch comprising a plurality of transformers and a path comprising a number of wires. Each of the plurality of transformers comprises a core and a control winding. The path is configured to connect the plurality of transformers to each other. Non-direct current flows through the path. Direct current is sent into the control winding for each of a portion of the plurality of transformers to saturate the core for the each of the portion of the plurality of transformers such that a transfer of energy between the core for the each of the portion of the plurality of transformers and the path is substantially absent.

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