Re-configurable induction coil for metal detection

Details Re-configurable induction coil for metal detection Re-configurable induction coil for metal detection

2007-01-02

2007-01-02

LeDynh, Bot (Department: 2862)

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

For small object detection or location

C324S326000

Reexamination Certificate

active

10942159

ABSTRACT:
A device in which the receiver coil of a pulse inductive metal detector is capable of switching between a differential configuration (i.e., gradiometer configuration) to a non-differential or summing configuration under control of the operator or computer.

REFERENCES:
patent: 3893025 (1975-07-01), Humphreys, Jr.
patent: 4779048 (1988-10-01), Aichele
patent: 6489771 (2002-12-01), Farque
patent: 6534985 (2003-03-01), Holladay, III et al.
patent: 62-175688 (1987-08-01), None

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