Electromagnetic pipe mapper for accurate location and depth dete

Details Electromagnetic pipe mapper for accurate location and depth dete Electromagnetic pipe mapper for accurate location and depth dete

1994-07-26

1997-06-17

Strecker, Gerard R.

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

For small object detection or location

324247, 324335, G01V 311, G01V 3165, G01V 338, G01R 3302

Patent

active

056400926

ABSTRACT:
The device comprises a target signal transmitter to induce an electromagnetic signal in the hidden object, a position reference transmitter to transmit a signal for positioning purposes, a sensor unit to detect changes in the magnetic flux of the hidden object due to the induced electromagnetic signal and the positioning signal from the position reference transmitter, and a central unit to process and display a map of the hidden object. The initial processing of the data results in a gray-scale representation of the object, but additional data processing may be performed.

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"Development of Intelligent Pipe Locator"--pp. 217-222, 1986 Y. Miyamoto and Y. Wasa.

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