Locator device for continuously locating a dipole magnetic field

Details Locator device for continuously locating a dipole magnetic field Locator device for continuously locating a dipole magnetic field

1992-10-09

1994-08-09

Strecker, Gerard R.

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

For small object detection or location

324 67, G01V 311, G01V 3165, H04B 1302

Patent

active

053370023

ABSTRACT:
A locator/monitor for locating a boring tool and monitoring the progress of the tool for control purposes. The locator/monitor is 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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patent: 4054881 (1977-10-01), Raab
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patent: 4806869 (1989-02-01), Chan et al.
patent: 4857851 (1989-08-01), Anderson et al.
patent: 5014008 (1991-05-01), Flowerdew
patent: 5065098 (1991-11-01), Salsman et al.

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