Method for identifying cable conductors using two signals at dif

Details Method for identifying cable conductors using two signals at dif Method for identifying cable conductors using two signals at dif

1982-02-18

1985-03-19

Strecker, Gerard R.

Electricity: measuring and testing

Conductor identification or location

G01R 1900

Patent

active

045062102

ABSTRACT:
A system for identifying a selected conductor at the other end of a multinductor cable. A signal is imposed on the selected conductor at one end. At the other end of the cable, a probe is capacitively coupled successively to the several conductors. The selected conductor is identified by the relatively large capacitively coupled signal.
When capacitive coupling between wires may degrade system performance, signals of two different frequencies may be applied to the selected conductor and another conductor, respectively. The selected conductor can be identified by the large ratio of the magnitude of signal detected at the frequency applied to the selected conductor as compared to the magnitude of the signal detected at the other frequency.

REFERENCES:
patent: 2731598 (1956-01-01), Herbert
patent: 3181062 (1965-04-01), Scarlett
patent: 3252087 (1966-05-01), Parke
patent: 3826977 (1974-07-01), Woodworth

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