System for exploring and observing subaquatic beds for a submarine device and for controlling same
US4843996A · kind A · utility
19Cited by
3References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 6, 1988 |
| Grant date | Jul 4, 1989 |
| Priority date | — |
| Expiry date | May 6, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63C11/48
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
In this system, which is of the type comprising at the end of a primary cable (3), a first fish (5) to which is connected a secondary cable (7) towed by a second fish, there are provided, in proximity to the first fish (5), apparatus (18) for measuring the angle between the direction of the relative current and the vertical plane passing through the secondary cable (7), and apparatus for measuring the angle of inclination of the secondary cable (7) to the horizontal, connected to apparatus for automatically steering the second fish so as to bring said angles to predetermined values.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.