Device for determining geometric parameters of a structural elem

Details Device for determining geometric parameters of a structural elem Device for determining geometric parameters of a structural elem

1990-01-10

1991-10-08

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

With means to create magnetic field to test material

209546, 324226, 324227, 324234, 324238, G01R 3312, G01N 2782, G01B 728, B07C 500

Patent

active

050560166

ABSTRACT:
A measuring device for contactless control of a design of structural elements composed of an electrically conductive material comprises at least one coil through which an alternating current flows and whose measuring voltage is influenced by a structural element, and electronic evaluating unit arranged to compare the measuring voltage of the coil influenced by the structural element with a nominal value, the coil being formed as a cylindrical coil.

REFERENCES:
patent: 2537731 (1951-01-01), Angell
patent: 3392829 (1968-07-01), Keinanen
patent: 3539006 (1970-11-01), Hanna et al.
patent: 3870948 (1975-03-01), Holt et al.
patent: 3883796 (1975-05-01), Holt et al.

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