| 5822273 |
Seismic acquisition and transmission system with functions decentralization |
Renate Bary |
1998-10-13 |
| 5706250 |
Seismic transmission method and system utilizing concentration units |
Christian Grouffal |
1998-01-06 |
| 5563847 |
Seismic signal acquisition method and device |
Christian Grouffal |
1996-10-08 |
| 5550787 |
Seismic acquisition system with decentralized processing means |
Christian Grouffal |
1996-08-27 |
| 5351244 |
Seismic transmission method and device for a very low error rate |
Christian Grouffal |
1994-09-27 |
| 5276655 |
Method and device for simplifying the localization of a subsurface zone within the scope of a seismic exploration |
Gerard Thierry, Christian Grouffal |
1994-01-04 |
| 4979152 |
Device for transmitting signals by radio and cable between a central control and recording system and data acquisition devices |
Gerard Thierry |
1990-12-18 |
| 4908803 |
Semi-sequential transmission method and system using simultaneously several radio transmission frequencies for connecting a seismic reception assembly to a central control and recording laboratory |
— |
1990-03-13 |
| 4905205 |
Method for transmitting to a central recording device seismic data collected by acquisition apparatus distributed over the ground and a device for implementing same |
— |
1990-02-27 |
| 4897821 |
Method and device for initializing data, and particularly seismic data, acquisition apparatus |
Gerard Thierry |
1990-01-30 |
| 4815044 |
Seismic signal transmission system using relay radios |
Bernard-Andre Deconinck, Andre Oliveres, Gerard Thierry |
1989-03-21 |
| 4715341 |
Method of and device for automatically adjusting the ignition timing of a controlled ignition engine |
Andre Douaud |
1987-12-29 |
| 4712199 |
Process for controlling the storage of data received by a seismic recording system and a device for implementing same |
Renate Bary |
1987-12-08 |
| 4628494 |
Method for the remote control of signal acquisition devices by means of a narrow passband transmission channel and a device for the implementation of the method |
Gerard Thierry |
1986-12-09 |
| 4583206 |
Device for the sequential transmission of signals by radio or by cable, between a central control system and data acquisition apparatuses |
Bernard-Andre Deconinck, Gerard Thierry |
1986-04-15 |
| 4549513 |
Method for the automatic adjustment of the ignition initiation control time in an internal combustion engine |
Andre Douaud |
1985-10-29 |
| 4449120 |
Method for amplifying multiplexed signals through different gain amplification units for selecting an optimum gain signal and device therefore |
Jacques Cretin |
1984-05-15 |
| 4285315 |
Method and device for automatically adjusting the spark advance of a controlled ignition engine |
Andre Douaud |
1981-08-25 |
| 4213429 |
Method and device for automatically adjusting the spark advance of a controlled ignition engine |
Andre Douaud |
1980-07-22 |