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Multipath Current Measurement System Disclosure Number: IPCOM000058649D
Original Publication Date: 1988-Nov-01
Included in the Prior Art Database: 2005-Feb-15

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Balliet, L Kraus, RA Langer, P [+details]


This article describes a measurement system for measuring circuit impedance, opens and shorts without the need for direct contact measurement, thereby eliminating the need for piercing wire insulation when bare wires or connector terminals are not exposed. In an effort to diagnose whether a circuit is open or shorted, it is often necessary to pierce the insulation when exposed connector terminals are not available for probing. Piercing insulation of a wire especially in an engine compartment environment, exposes the wire to corrosive elements, such as salt and water. In combination with air oxidation occurs. The wire is also weakened mechanically by the probing which tends to break wire strands. The multipath current measurement system disclosed herein is shown in Fig. 1.