Unfolding cylindrical sonar
US5319612A · kind A · utility
2Cited by
5References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 1, 1993 |
| Grant date | Jun 7, 1994 |
| Priority date | — |
| Expiry date | Jun 1, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S3/801
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Sonars provided with an acoustically transparent antenna. In a sonar comprising deployable arms (2) provided with columns (4) distributed on a cylindrical surface, the invention provides for the doubling of said columns (7) situated at a small distance from the first columns and for the association of signals from hydrophones mounted in the columns so as to obtain for each pair of columns a cardioid characteristic simulating a baffled antenna. The invention makes possible the suppression of the rear lobe of an acoustically transparent antenna.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.