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Class Information
Number: 367/39
Name: Communications, electrical: acoustic wave systems and devices > Seismic prospecting > Land-reflection type > Signal analysis and/or correction > Random signal correlation
Description: Subject matter wherein the information or intelligence is the degree of linear relationship identified by comparing the signal with some stochastic characteristic of the transmitted or other reference signal.










Patents under this class:

Patent Number Title Of Patent Date Issued
7672194 Method of seismic surveying Mar. 2, 2010
7376046 Method of seismic surveying May. 20, 2008
7050356 Method of seismic surveying May. 23, 2006
6934219 Methods and systems for acquiring seismic data Aug. 23, 2005
6766368 System and method for providing an internet-based correlation service Jul. 20, 2004
6704245 Seismic prospecting method and device using simultaneous emission of seismic signals obtained by coding a signal by pseudo-random sequences Mar. 9, 2004
6681199 Peak time detecting apparatus and method Jan. 20, 2004
6631783 Mapping reservoir characteristics using earth's nonlinearity as a seismic attribute Oct. 14, 2003
6302204 Method of obtaining improved geophysical information about earth formations Oct. 16, 2001
6289284 Method of imaging the permeability and fluid content structure within sediment Sep. 11, 2001
6061300 Method of imaging the permeability and fluid content structure within sediment May. 9, 2000
5999487 Seismic reflection data acquisition and processing method and device for prospecting in tectonically complex environments Dec. 7, 1999
5991236 Method of measuring buried objects, geological formations and sediment properties Nov. 23, 1999
5406530 Pseudo-random binary sequence measurement method Apr. 11, 1995
5241513 Correlation system for nonlinear vibratory signals Aug. 31, 1993
5226018 Geophysical prospecting method using pseudo-random pulse sequences Jul. 6, 1993
5010526 Method of digital filtering Apr. 23, 1991
4899321 Method and apparatus for determining the source signature of land vibrators Feb. 6, 1990
4853903 Method and apparatus for removing sinusoidal noise from seismic data Aug. 1, 1989
4780856 Off-shore seismic prospection method using a coded vibratory signal and a device for implementing this method Oct. 25, 1988
4768174 Method for generating and collecting random vibratory seismic data wherein a pre-specified wavelet of minimum side lobe content is always produced in the final correlations by maintaining doma Aug. 30, 1988
4729066 Method and apparatus for the generation and transmission of signals for echo location and other signaling purposes, particularly in geophysical exploration Mar. 1, 1988
4675851 Method for seismic exploration Jun. 23, 1987
4607353 Seismic exploration using non-impulsive vibratory sources activated by stationary, Gaussian codes to simulate an impulsive, causal generating, recording and pre-processing system and processin Aug. 19, 1986
4601022 Seismic exploration using non-impulsive vibratory sources activated by stationary, Gaussian codes, and processing the results in distortion-free final records particularly useful in urban area Jul. 15, 1986
4598391 Seismic exploration using non-impulsive vibratory sources activated by stationary, Gaussian codes, detecting vibrations via receivers within a wellbore and processing the results into distorti Jul. 1, 1986
4549285 Apparatus for real time correlation in seismic prospection Oct. 22, 1985
4545039 Methods for seismic exploration Oct. 1, 1985
4543632 Robust estimation method for determining when subsequent data processing can include sign-bit representations of full-waveform seismic traces Sep. 24, 1985
4486866 Seismic exploration using non-impulsive vibratory sources activated by stationary, Gaussian codes, and processing that results in distortion-free final records particularly useful in stratigra Dec. 4, 1984
4390973 Method for determining the extent of subsurface reaction involving acoustic signals Jun. 28, 1983
4346461 Seismic exploration using vibratory sources, sign-bit recording, and processing that maximizes the obtained subsurface information Aug. 24, 1982
4204278 Methods and apparatus for the generation and transmission of signals for echo location and other signalling purposes, as in geophysical exploration May. 20, 1980
4136326 Apparatus for obtaining seismic data Jan. 23, 1979
4049077 Seismic vibrator control system Sep. 20, 1977
4044356 Process and device for correlation for use in a doppler radar installation Aug. 23, 1977
4011924 Device for producing mechanical waves Mar. 15, 1977
3968471 Method for suppressing side lobes in correlation processes Jul. 6, 1976











 
 
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