G - Physics – 01 – N
Patent
G - Physics
01
N
351/43, 340/124.
G01N 27/72 (2006.01) G01R 33/022 (2006.01) G01V 3/06 (2006.01) G01V 3/11 (2006.01)
Patent
CA 2009158
An apparatus for determining the direction to and position of a buried conductor carrying an AC signal. The apparatus employs a unique antenna unit having upper and lower sensors, each sensor having two orthogonal solenoid coils. The signals from these coils, which are representative of the magnetic flux therethrough, are processed to yield corresponding digital values. The numbers are combined in a novel formula to yield a value which has been empirically found to be indicative of lateral position. An appropriate display is controlled by the microprocessor according to the sign and magnitude of the positional value.
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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