Anti-falsing and zero nulling search head for a metal detector

Details Anti-falsing and zero nulling search head for a metal detector Anti-falsing and zero nulling search head for a metal detector

1980-05-05

1982-08-17

Strecker, Gerard R.

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

For small object detection or location

G01V 311

Patent

active

043452086

ABSTRACT:
A metal detector search head which includes a transmitter wire coil and a receiver wire coil each having first and second coil sections. The first coil sections of the receiver and transmitter coils lie in substantially the same plane with the second coil sections thereof being parallel and displaced relative to the first coil sections with each second coil section lying in a plane generally perpendicularly oriented to the plane of location of the first coil sections of the transmitter and receiver coils.

REFERENCES:
patent: 269439 (1882-12-01), McEvoy
patent: 1126027 (1915-01-01), Jullig
patent: 2451596 (1948-10-01), Wheeler
patent: 3471773 (1969-10-01), Penland
patent: 3644823 (1972-02-01), Dowling et al.
patent: 3872380 (1975-03-01), Gardiner
patent: 4030026 (1977-06-01), Payne

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