Conductor tracer transmitter with non-reversing magnetic field tracing signal
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United States of America Patent
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Oct 4, 1988
Grant Date -
N/A
app pub date -
Feb 9, 1987
filing date -
Feb 9, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A conductor tracer which is used to trace and identify a conductor energized by an AC energizing signal includes an improved transmitter by which to draw a current tracing signal from the energized conductor. The current tracing signal is phase shifted by 180.degree. upon the occurrence of each subsequent half cycle of the AC energizing signal. By phase shifting the current tracing signal when the direction of current flow in the conductor reverses due to the change in polarity of the AC energizing signal, the net effect is that a uniform phase or polarity magnetic field tracing signal about the conductor is maintained. The uniform phase or polarity magnetic field tracing signal makes detection of the conductor more reliable and easily accomplished.
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