Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – For fault location
Patent
1996-07-16
1999-06-22
Regan, Maura
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
For fault location
324528, 324529, G01R 2726
Patent
active
059146087
ABSTRACT:
An apparatus and method are provided for use in tracing a cable; the apparatus and method allows a cable to be identified at any point along its length. The apparatus includes a transmitter for applying a unique waveform to a cable of interest, a line terminator for forming a cable loop through which current can flow, and a detector which is capable of detecting both voltage (electric field) and current (magnetic field). The unique waveform induces both a magnetic and an electric field in specifically identifiable patterns.
REFERENCES:
patent: 5185685 (1993-02-01), Tennies et al.
patent: 5578931 (1996-11-01), Russell
patent: 5608328 (1997-03-01), Sanderson
Berger Dmitry
Rodittis John N.
Wissman Charles H.
Regan Maura
Tempo Research Corporation
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