Underwater cable locating device with controlled buoyancy

Details Underwater cable locating device with controlled buoyancy Underwater cable locating device with controlled buoyancy

2005-02-22

2005-02-22

Le, N. (Department: 2862)

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

For small object detection or location

C324S067000

Reexamination Certificate

active

06859037

ABSTRACT:
An apparatus for locating a buried utility conveyance, such as an undersea cable, beneath a body of water. The apparatus generally comprises a submersible housing that contains a variable ballast system for selectively controlling the buoyancy of the apparatus, and a detector assembly for locating the conveyance. The detector assembly includes first and second signal generators and first and second signal detectors vectoring the location of the conveyance. An operator guides the detector relative to a target search location through cables attached to the housing and the variable ballast system. A camera generates images of the target search location for use by the operator to control the apparatus through an umbilical cable connected to the housing.

REFERENCES:
patent: 4932350 (1990-06-01), Takimoto
patent: 5644237 (1997-07-01), Eslambolchi et al.
patent: 5798644 (1998-08-01), Eslambolchi et al.
patent: 5990809 (1999-11-01), Howard

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