Method of finding an above-ground point in relation to an in-gro

Details Method of finding an above-ground point in relation to an in-gro Method of finding an above-ground point in relation to an in-gro

1998-04-13

1999-07-20

Snow, Walter E.

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

For small object detection or location

G01U 311, G01V 3165, H04B 1302

Patent

active

059260254

ABSTRACT:
The present invention provides a locator/monitor capable of locating a boring tool and monitoring the progress of the tool for control purposes. The locator/monitor may be used in expedited locating methodology and straightforward calibration techniques of the present invention. A durable and cost effective pitch sensor is also provided by the present invention. In addition, the present invention provides a slotted transmitter housing formed of an electrically conductive material, where the magnetic field generated by the transmitter is capable of penetrating to the surface.

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