Detector of metalliferous objects having two pairs of receiving

Details Detector of metalliferous objects having two pairs of receiving Detector of metalliferous objects having two pairs of receiving

1990-02-23

1991-08-06

Strecker, Gerard R.

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

For small object detection or location

324225, 324243, G01V 311, G01V 3165, G01R 3312, G01N 2772

Patent

active

050381067

ABSTRACT:
The detector of metalliferous objects comprising an electrically coupled to an alternating voltage generator driving loop, rigidly fitted to two pairs of receiving loops, positioned at opposite sides of the driving loop, coaxial and parallel to one another. The receiving loops are connected to connected in series balancers, differential amplifiers, electric signal compensators with the control inputs thereof connected to the generator, selective amplifiers, data processors, logic OR gate, and signalling unit.

REFERENCES:
patent: 3907136 (1975-09-01), Christides et al.
patent: 4091322 (1978-05-01), Stankoff
Induktsionnye Kabeleiskateli, Svyaz Publishers, Moscow, 1970, pp. 75-78.
Labor Saving H-Scope Model TW-5: 7/1/81: brochure from "The Grigsby Company Inc".

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