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Class Information
Number: 367/64
Name: Communications, electrical: acoustic wave systems and devices > Seismic prospecting > Land-reflection type > Signal analysis and/or correction > Optical processing
Description: Subject matter wherein an electrical signal representative of a detected acoustic wave is converted into electromagnetic radiation in the visible spectrum and is analyzed and/or corrected at least in part in that state.

Patents under this class:

Patent Number Title Of Patent Date Issued
8369667 Downhole cable Feb. 5, 2013
8090227 Purging of fiber optic conduits in subterranean wells Jan. 3, 2012
7679994 Bi-directional interrogation of optical sensors Mar. 16, 2010
7558155 Optical sensor interrogation with wavelength grouping in time slots Jul. 7, 2009
7539080 Grating design for use in a seismic sensing system May. 26, 2009
7366055 Ocean bottom seismic sensing system Apr. 29, 2008
7220067 Cable splice protector May. 22, 2007
6765670 Spectrometer module and applications thereof Jul. 20, 2004
6253848 Method of obtaining improved geophysical information about earth formations Jul. 3, 2001
5717401 Active recognition system with optical signal processing Feb. 10, 1998
4503336 Beam former having variable delays between LED output signals Mar. 5, 1985
4204262 Optical signal processing apparatus May. 20, 1980
4163205 Acousto-optical device for removing bubble pulse from reflected sonar signal Jul. 31, 1979
3961306 Method of forming color graphic displays from input data Jun. 1, 1976

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