| 5109860 |
Probe with curved bar for an echograph |
Jean-Francois Gelly, Patrick Dubut, Rene Reynier |
1992-05-05 |
| 5022731 |
Device for optical frequency translation and a modulator in which said device is employed |
Bernard Desormiere |
1991-06-11 |
| 4870972 |
Multiple-frequency acoustic transducer, especially for medical imaging |
Jean-Francois Gelly |
1989-10-03 |
| 4794929 |
Echography probe and echograph fitted, with a probe of this type |
— |
1989-01-03 |
| 4694700 |
Ultrasonic sensor for electronic sectorial scanning and echograph incorporating such a sensor |
— |
1987-09-22 |
| 4547870 |
Velocity hydrophone |
Michel Josserand, Claude Gragnolati |
1985-10-15 |
| 4477784 |
Surface wave dispersive acoustic delay line |
Claude Lardat |
1984-10-16 |
| 4388599 |
Piezoelectric elastic-wave convolver device |
Herve Gautier |
1983-06-14 |
| 4323985 |
Two dimensional acousto-electrical device for storing and processing information |
Herve Gautier |
1982-04-06 |
| 4314098 |
Reversible electroacoustic transducer device having a constant directivity characteristic over a wide frequency band |
— |
1982-02-02 |
| 4306456 |
Elastic wave accelerometer |
— |
1981-12-22 |
| 4281350 |
Acoustoelectric device for reading or processing a two-dimensional optical image |
Herve Gautier |
1981-07-28 |
