Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent
1986-07-10
1987-07-07
Taylor, Dennis L.
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Submerging, raising, or manipulating line of pipe or cable...
405154, 324127, 324326, 324500, F16L 104
Patent
active
046783717
ABSTRACT:
A device for burying a submarine cable under water by easily and accurately detecting the cable position and a method for guiding the same by utilizing the characteristics unique to submarine cables, by supplying an AC only to the portion of the cable between two arbitrary repeaters through a so-called transformer-coupling system to generate an AC magnetic field, and by detecting the magnetic field with a magnetic field detector.
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Asakawa Kenichi
Ishihara Hideo
Iwamoto Yoshinao
Sirasaki Yuichi
Suzuki Shizuo
Kokusai Denshin Denwa Co. Ltd.
Taylor Dennis L.
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