System for and method of detecting a buried conductor

Details System for and method of detecting a buried conductor System for and method of detecting a buried conductor

2011-06-28

2011-06-28

Koval, Melissa J (Department: 4154)

Electricity: measuring and testing

Conductor identification or location

Inaccessible

C324S329000

Reexamination Certificate

active

07969137

ABSTRACT:
A system for detecting a buried conductor comprises a transmitter for producing an alternating test current in the buried conductor and a receiver for detecting an electromagnetic field produced by the test current in the buried conductor. A communication link is provided between the receiver and the transmitter. The test current comprises first and second components of different frequency. The receiver monitors the phase creepage of the first and second components and controls the transmitter to reset the phase difference between the first and second components as phase creepage increases.

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