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Class Information
Number: 181/107
Name: Acoustics > Geophysical or subsurface exploration > Programmed or timer-controlled
Description: Subject matter including means operative upon initiation to transmit or receive acoustical waves through a given cycle of operations.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6739423 |
Acoustic logging tool |
May. 25, 2004 |
| 6619423 |
Measuring device for measuring the elastic properties of a surface structure |
Sep. 16, 2003 |
| 6587055 |
Simultaneous triggering of remote units |
Jul. 1, 2003 |
| 6483774 |
Timed shooting with a dynamic delay |
Nov. 19, 2002 |
| 6470997 |
Apparatus and method for eliminating electrical noise in the fire detect timing signal of an air gun |
Oct. 29, 2002 |
| 5978313 |
Time synchronization for seismic exploration system |
Nov. 2, 1999 |
| 5548562 |
Method for synchronization of systems for seismic surveys, together with applications of the method |
Aug. 20, 1996 |
| 4960183 |
Seismic source firing control system |
Oct. 2, 1990 |
| H656 |
Method and system for controlling the moments of firing of marine seismic sources |
Jul. 4, 1989 |
| 4782911 |
Seismic recording |
Nov. 8, 1988 |
| 4757482 |
Modular airgun array method, apparatus and system |
Jul. 12, 1988 |
| 4733747 |
System and method for eliminating wave form distortion in multi-unit seismic source prospecting |
Mar. 29, 1988 |
| 4699241 |
Method and apparatus for detonation of distributed charges |
Oct. 13, 1987 |
| 4635746 |
Timing correction methods for seismic energy source operation |
Jan. 13, 1987 |
| 4579000 |
Apparatus for detecting ultrasonic vibration |
Apr. 1, 1986 |
| 4567583 |
Adaptive preset force level control for a seismic vibrator |
Jan. 28, 1986 |
| 4513403 |
Data encoding and synchronization for pulse telemetry |
Apr. 23, 1985 |
| 4511999 |
Gun shot control unit for seismic exploration |
Apr. 16, 1985 |
| 4508191 |
Method and device for initiating an underwater implosive seismic source |
Apr. 2, 1985 |
| 4497044 |
Seismic wave generator |
Jan. 29, 1985 |
| 4493067 |
Seismic vibrator control system |
Jan. 8, 1985 |
| 4486864 |
Method for marine seismic exploration |
Dec. 4, 1984 |
| 4402382 |
Air gun fire time sensor |
Sep. 6, 1983 |
| 4301887 |
Acceleration-responsive apparatus for sensing firing instant of an air gun |
Nov. 24, 1981 |
| 4300653 |
Seismic source array firing controller |
Nov. 17, 1981 |
| 4296827 |
Air-gun fire time sensor |
Oct. 27, 1981 |
| 4240518 |
Method and apparatus for monitoring and controlling a multiplicity of air guns for seismic surveying |
Dec. 23, 1980 |
| 4210222 |
Air gun monitoring method and apparatus |
Jul. 1, 1980 |
| 4184562 |
Multi-directional assemblies for sonic logging |
Jan. 22, 1980 |
| 4131431 |
Blood shut-off valve |
Dec. 26, 1978 |
| 4106585 |
Air gun firing control |
Aug. 15, 1978 |
| 4073363 |
Method and apparatus for generating a long sequence of seismic pulses |
Feb. 14, 1978 |
| 4073362 |
Charging and ignition system for gas exploders |
Feb. 14, 1978 |
| 4047591 |
Air gun monitoring and synchronizing method and apparatus |
Sep. 13, 1977 |
| 4034827 |
Air gun utilizing magnetized shuttle |
Jul. 12, 1977 |
| 3985199 |
Apparatus for timing the firing of energy sources |
Oct. 12, 1976 |
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