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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
8302730 System and method for generating and controlling conducted acoustic waves for geophysical exploration Nov. 6, 2012
8079440 Determining the polarity of movement of an actuator mass in a seismic vibrator Dec. 20, 2011
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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