Electricity: measuring and testing – Conductor identification or location
Patent
1997-03-17
1999-12-14
Ballato, Josie
Electricity: measuring and testing
Conductor identification or location
324628, 324539, G01R 1900
Patent
active
060022477
ABSTRACT:
An electrical cable containing two or more twisted pairs of wires and having terminals at one end connected to corresponding wires is tested for possible mis-pairing of an assumed wire pair. At that end of the cable, all terminals except the two for the assumed wire pair are connected to ground. A test signal is then applied to a first terminal for the assumed wire pair, and at the same time a measurement is made of a response signal received at the second terminal for the assumed wire pair. The test signal is a time-varying signal. The strength of the response signal is compared to the test signal to establish whether the assumed pair of wires are in fact wound to each other.
REFERENCES:
patent: 5420512 (1995-05-01), Spillane
patent: 5436555 (1995-07-01), Locke
patent: 5530367 (1996-06-01), Bottman
patent: 5548222 (1996-08-01), Jensen
Arant Gene W.
Baker Larry D.
Ballato Josie
Valone Thomas
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