Metal detection system and process using a high voltage to produ

Details Metal detection system and process using a high voltage to produ Metal detection system and process using a high voltage to produ

1997-05-23

1999-11-09

Snow, Walter E.

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

For small object detection or location

G01V 308

Patent

active

059821809

ABSTRACT:
The apparatus includes an electrical circuit for producing a high voltage at a high frequency with very little current and an elongated and electrically insulated electrical conductive member coupled to the circuit for producing an electrical discharge when in close proximity to a metal object in the ground. The electrical circuit is capable of producing 50,000 volts and higher. In using the apparatus, the electrical conductive member may be moved to scan the ground over a metal object to obtain an image of the shape of the metal object.

REFERENCES:
patent: 4308499 (1981-12-01), Thierbach et al.
Martienssen, "Method and Means for Determining and Tracing Insulating, in Particular Oil-Carrying Strata" Alien Property Custodian Serial No. 333,469, May 18, 1943.

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