Electricity: measuring and testing – Magnetic – With means to create magnetic field to test material
Patent
1992-01-08
1993-12-14
Strecker, Gerard R.
Electricity: measuring and testing
Magnetic
With means to create magnetic field to test material
324220, 324228, 364578, G01N 2782, G01N 2790, G01R 3312
Patent
active
052706478
ABSTRACT:
A pipe electromagnetic field simulation apparatus used to simulate a current produced by flaw in a pipe when the flaw is subjected to the electromagnetic field of a transmitting coil. The apparatus includes a system for determining an electromagnetic field distribution of a represented pipe without a flaw, a system for determining an equivalent current source of a represented flaw in the represented pipe, and a system for determining the electromagnetic field distribution of a represented pipe with a flaw. The apparatus may also include a system for determining a signal received by a detector which indicates a flaw.
REFERENCES:
patent: 3693075 (1972-09-01), Forster
patent: 4763274 (1988-08-01), Junker et al.
patent: 4855677 (1989-08-01), Clark, Jr. et al.
Beissner Robert
Kikuta Takashi
Osaka Gas Company Ltd.
Strecker Gerard R.
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