Device for testing and calibrating treasure hunting metal detect

Details Device for testing and calibrating treasure hunting metal detect Device for testing and calibrating treasure hunting metal detect

1984-09-17

1987-02-03

Karlsen, Ernest F.

Electricity: measuring and testing

Magnetic

Calibration

324326, 73 1R, G01R 3500, G01V 1300

Patent

active

046410910

ABSTRACT:
A device for testing and calibrating treasure hunting metal detectors is provided. The device includes an enclosure which contains a quantity of background material of the type expected to be encountered in the search environment of the metal detector. Elongated cross members are positioned across the housing at varying distances from the top. Each cross member has an open interior region into which a slide containing a simulated metal treasure may be placed. When the search coil of a metal detector is placed on top of the device it senses the presence of the metal treasures in the slides within particular ones of the cross members. By varying the type of metal and the location of the simulated metal targets the capabilities of the treasure hunting metal detector can be tested and calibrated.

REFERENCES:
patent: 2874349 (1959-02-01), Staats

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