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Class Information
Number: 367/44
Name: Communications, electrical: acoustic wave systems and devices > Seismic prospecting > Land-reflection type > Signal analysis and/or correction > Filters > Comb filters
Description: Subject matter wherein a plurality of selected signals or constituent parts of complex signals may be attenuated or separated simultaneously.










Patents under this class:

Patent Number Title Of Patent Date Issued
8644110 Methods and systems for spurious cancellation in seismic signal detection Feb. 4, 2014
8614578 Attenuation of electromagnetic signals passing through conductive material Dec. 24, 2013
7447114 Non-linear seismic trace matching to well logs Nov. 4, 2008
7433265 Converted wave energy removal from seismic data Oct. 7, 2008
5995446 Method of conducting drilling operations using vertical seismic profiles Nov. 30, 1999
5583826 Method of processing signals for geophysical prospecting, the method making use of an improved wave field extrapolation operator Dec. 10, 1996
5576977 Filter for eliminating the effects of fluorescent lights on microwave transceivers Nov. 19, 1996
5067112 Method for removing coherent noise from seismic data through f-x filtering Nov. 19, 1991
4875166 Bandwidth enhancing seismic acquisition system and method Oct. 17, 1989
4853902 Predictive noise filtering of multi-component seismic data Aug. 1, 1989
4757480 Method and apparatus for filtering seismic data Jul. 12, 1988
4730281 Data processing filtering method and apparatus Mar. 8, 1988
4312050 Multidimensional amplitude scaling of seismic data Jan. 19, 1982











 
 
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