Electricity: measuring and testing – Of geophysical surface or subsurface in situ – Using electrode arrays – circuits – structure – or supports
Patent
1993-02-26
1995-07-04
Snow, Walter E.
Electricity: measuring and testing
Of geophysical surface or subsurface in situ
Using electrode arrays, circuits, structure, or supports
324359, 324326, G01V 302, G01V 304, G01V 306, G01V 308
Patent
active
054303800
ABSTRACT:
A sensor for sensing the location of objects buried in the loose sediment in the bed of the sea. A hollow, cylindrically symmetric, conductive shell is used to inject current into seawater at its tips along its axis. A sensor coil oriented along the axis ignores all magnetic fields except those along the axis, and is used to measure return signals. This is particularly useful in detecting dielectric objects buried in the sediment and in rejecting motion relative to the seabed.
REFERENCES:
patent: 2066561 (1937-05-01), Fisher
patent: 2744232 (1956-05-01), Shawhan et al.
patent: 3329929 (1967-07-01), Burnett
Wynn et al. "A New Sensor Concept . . . " Naval Surface Wepons Warfare Cer Publication CSS Tr435-91 Mar. 92 pp. 23-33.
Bono John T.
Wynn William M.
Connors Edward J.
Dobyns Kenneth W.
Snow Walter E.
The United States of America as represented by the Secretary of
Townsend W. C.
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