Electricity: measuring and testing – Magnetic – With means to create magnetic field to test material
Patent
1981-07-20
1984-09-18
Strecker, Gerard R.
Electricity: measuring and testing
Magnetic
With means to create magnetic field to test material
324262, G01N 2772, G01R 3312
Patent
active
044726821
ABSTRACT:
An apparatus for generating a parallel magnetic field by passing current through a coil cylindrically wound and shielded against the external magnetic fields by a magnetically shielded housing incorporating a fine meshed material such as a high magnetic permeability amorphous alloy. Inside the housing, there are provided a non-magnetic bobbin, on which the coil is wound, and a power source for providing current to the coil to produce a parallel magnetic field of an intensity corresponding to that of the current to be generated within the bobbin.
REFERENCES:
patent: 1559085 (1925-10-01), Goknale
patent: 2531807 (1950-11-01), De Pangher
patent: 2621234 (1952-12-01), Buchl
patent: 2819447 (1958-01-01), Harmon
Kuno Akira
Matsumoto Muneaki
Numata Koji
Nippon Soken Inc.
Snow Walter E.
Strecker Gerard R.
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