Continuous testing method and apparatus for determining the magn

Details Continuous testing method and apparatus for determining the magn Continuous testing method and apparatus for determining the magn

1976-08-17

1978-03-14

Corcoran, Robert J.

Electricity: measuring and testing

Magnetic

Combined

336224, 324225, 324242, 295643, 295264, G01R 3312

Patent

active

040793125

ABSTRACT:
Continuous testing apparatus for determining the magnetic characteristics of a strip of moving material including a flux inducing and pick-up device to induce a quantity of flux into the material and dual voltage output producing coils for producing different voltages from material having the same magnetic permeability, and circuit means coupled with the dual coils to produce an output voltage which is a characteristic of the ratio of the voltage produced by one of the coils and the difference between the voltages produced by both of the coils. The invention also includes the method of obtaining a profile of the coil of the material throughout the entire length thereof.

REFERENCES:
patent: 2102451 (1937-12-01), Zuschlag
patent: 2555853 (1951-06-01), Irwin
patent: 2810880 (1957-10-01), Buccicone
patent: 2927266 (1960-03-01), Richter

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