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Class Information
Number: 367/149
Name: Communications, electrical: acoustic wave systems and devices > Signal transducers > Underwater type > Exclusive-type receiver
Description: Subject matter comprising transducers which are only capable of converting acoustic waves into electrical signals.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8675451 Acoustic and optical illumination technique for underwater characterization of objects/environment Mar. 18, 2014
8599649 Laser-based method of detecting underwater sound through an ice layer Dec. 3, 2013
8600592 Homing system and method for an autonomous underwater vehicle Dec. 3, 2013
8520472 Compact laser sensors and monitoring systems including such sensors Aug. 27, 2013
8507907 Semiconductor memory device Aug. 13, 2013
8499637 Laser based acousto-optic sensing enhancement using tailored retro-reflectors Aug. 6, 2013
8427906 Acoustic sensor utilizing acoustoelectric effect Apr. 23, 2013
8290316 Self-referenced optical fiber sensor and related sensor network Oct. 16, 2012
8228760 Airborne laser-acoustic mine detection system Jul. 24, 2012
8223590 Airborne laser-acoustic mine detection system Jul. 17, 2012
8203911 Acoustic and optical illumination technique for underwater characterization of objects/environment Jun. 19, 2012
8130594 Mechanically filtered hydrophone Mar. 6, 2012
8094519 Intensity modulated fiber optic hydrophones Jan. 10, 2012
7979240 System and method for real-time monitoring and failure prediction of electrical submersible pumps Jul. 12, 2011
7969823 Methods, systems and apparatus for measuring acoustic pressure Jun. 28, 2011
7961551 Determining directional propagation attributes of a seismic event Jun. 14, 2011
7876644 Polarizaton diversity for optical fiber applications Jan. 25, 2011
7840105 Rugged fiber optic towed array Nov. 23, 2010
7751657 Inclinometer system Jul. 6, 2010
7679999 Marine acoustic sensor assembly Mar. 16, 2010
7660188 Seismic exploration and imaging system for producing survey reports of subsea geological structures Feb. 9, 2010
7613075 Adaptive high frequency laser sonar system Nov. 3, 2009
7554885 Polarization diversity for optical fiber applications Jun. 30, 2009
7551517 Seabed seismic station packaging Jun. 23, 2009
7466631 Enhanced sensitivity pressure tolerant fiber optic hydrophone Dec. 16, 2008
7463555 Tri axis high frequency fiber optic acoustic sensor Dec. 9, 2008
7345952 Optical fibre sensors mounted on a cable Mar. 18, 2008
7295493 Pressure tolerant fiber optic hydrophone Nov. 13, 2007
7281429 Optical hydrophone for a shock-wave field with long service life Oct. 16, 2007
7283426 Method and apparatus for detecting submarines Oct. 16, 2007
7260023 Remote underwater laser acoustic source Aug. 21, 2007
7251196 Passive optical detection of underwater sound Jul. 31, 2007
7239577 Apparatus and methods for multicomponent marine geophysical data gathering Jul. 3, 2007
7227814 Repairable fiber optic hydrophone assembly Jun. 5, 2007
7206259 Ultrasound sensor and ultrasound measurement device Apr. 17, 2007
7184368 Optical displacement sensor element Feb. 27, 2007
7149150 Underwater surveillance system Dec. 12, 2006
7139223 Deep water surveillance system Nov. 21, 2006
7132952 Security system for a portable article Nov. 7, 2006
7113447 Laser pumped compact acoustic sensor system Sep. 26, 2006
7082079 Pressure compensated hydrophone Jul. 25, 2006
7027695 Fiber transition segment for use in optical fiber hydrophone array Apr. 11, 2006
6982925 Fiber-optic seismic array telemetry, system, and method Jan. 3, 2006
6937778 Sensor arrays having light-powered transducers Aug. 30, 2005
6904222 Optical fiber splice protection apparatus for use in optical fiber hydrophone array Jun. 7, 2005
6882595 Pressure compensated hydrophone Apr. 19, 2005
6879545 Woven fiber protection cable assembly for use in optical fiber hydrophone array Apr. 12, 2005
6865334 Termination assembly for use in optical fiber hydrophone array Mar. 8, 2005
6853604 Solid marine seismic cable Feb. 8, 2005
6850461 Fiber-optic seismic array telemetry, system, and method Feb. 1, 2005

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