Electricity: measuring and testing – Magnetic – With means to create magnetic field to test material
Patent
1989-04-18
1991-07-02
Snow, Walter E.
Electricity: measuring and testing
Magnetic
With means to create magnetic field to test material
324234, 324262, 194319, G01N 2772, G01R 3312, G01D 508, G07F 302
Patent
active
050288709
ABSTRACT:
A device for discriminating metal in an object is provided including a sense coil and related circuitry, with variations in the self inductance of the sense coil being measured as the object is passed substantially through the center of the coil.
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Environmental Products Corporation
Snow Walter E.
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