Locator for metallic pipe with AC signals impressed

Details Locator for metallic pipe with AC signals impressed Locator for metallic pipe with AC signals impressed

1975-03-19

1976-10-26

Strecker, Gerard R.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

324 67, G01V 308

Patent

active

039886638

ABSTRACT:
A locator for buried metallic pipes which carry AC signals impressed as a result of various industrial activities. It employs a pick-up coil with a ferromagnetic core. The coil is connected to a tuned bandpass amplifier that has its output connected to a head set and a meter for detecting the amplitude of the signals developed.

REFERENCES:
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patent: 3894283 (1975-07-01), Schonstedt
Young, C. A., Measuring the Depth of Buried Cable, Bell Laboratories Record, Nov. 1965, pp. 399-401.

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