Superconducting conductivity anomaly detection system

Details Superconducting conductivity anomaly detection system Superconducting conductivity anomaly detection system

1984-07-11

1987-01-27

Strecker, Gerard R.

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

With radiant energy or nonconductive-type transmitter

324248, 324326, 324345, 335216, G01V 3165, G01R 33035

Patent

active

046396756

ABSTRACT:
A conductivity anomaly detection system uses a rotating superconducting met to generate a known source field and an integrated detection system rotating with the superconducting magnet to detect anomalies in the generated source field caused by nearby conducting targets. The superconducting magnet is rigidly mounted in a Dewar which is in turn mounted on a shaft. An orthogonal detection system also is rigidly mounted on or within the Dewar with the superconducting magnet. The second harmonic of the anomaly signal from a target is detected for signal processing.

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patent: 4228395 (1980-10-01), Dusheck
patent: 4437064 (1984-03-01), Overton, Jr. et al.

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