| 6456565 |
System for undersea seismic prospecting |
Gilles Moresco |
2002-09-24 |
| 6002647 |
Acoustic transmitting antenna for underwater seismic prospecting |
— |
1999-12-14 |
| 5856954 |
Process of acoustic emission for sonar |
— |
1999-01-05 |
| 5058081 |
Method of formation of channels for a sonar, in particular for a towed-array sonar |
Christian Gulli, Jean Le Gall |
1991-10-15 |
| 4951268 |
Method for the sonar classification of underwater objects, notably moored mines |
— |
1990-08-21 |
| 4794574 |
Broad band interference sonar having compressed emission |
— |
1988-12-27 |
| 4779239 |
Sonar transducer system for image formation |
— |
1988-10-18 |
| 4596007 |
Interferometric sonar in non-linear acoustics |
Francois Peynaud |
1986-06-17 |
| 4510586 |
Array system with high resolving power |
Jacques Joseph, Claude Lemoine |
1985-04-09 |
| 4234939 |
Array system with a high resolving power |
— |
1980-11-18 |