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Class Information
Number: 367/130
Name: Communications, electrical: acoustic wave systems and devices > Distance or direction finding > With towing
Description: Subject matter in which at least a portion of the distance and/or direction finding device is pulled or hauled through the acoustic medium by a vehicle which is specifically separated from the device.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8605551 Position determination of a seismic source array Dec. 10, 2013
8325559 Extracting SV shear data from P-wave marine data Dec. 4, 2012
8300497 Method for reducing flow induced vibration and noise in towed arrays Oct. 30, 2012
8045419 Method for mitigating spatial aliasing Oct. 25, 2011
7961549 Enhancing the acquisition and processing of low frequencies for sub-salt imaging Jun. 14, 2011
7881156 Method to estimate towed array angles Feb. 1, 2011
7850625 Method and apparatus for monitoring labor parameter Dec. 14, 2010
7806825 Diagnostic signal processing method and system Oct. 5, 2010
7736312 Acoustic monitoring system Jun. 15, 2010
7599253 Hybrid pressure and vector sensor towed array Oct. 6, 2009
7518951 Systems and methods for seismic streamer positioning Apr. 14, 2009
7491169 Ultrasonic apparatus and method to assess compartment syndrome Feb. 17, 2009
7417924 Apparatus, systems and methods for determining position of marine seismic acoustic receivers Aug. 26, 2008
7376045 System and method for determining positions of towed marine seismic streamers May. 20, 2008
7366056 Depth sounding by acoustic pingers in a seismic spread Apr. 29, 2008
7239958 Apparatus and method for discerning a driver's intent and for aiding the driver Jul. 3, 2007
7221623 Expansion coefficient balancing in pressure compensation systems May. 22, 2007
7206256 Pressure compensated composite polymer outboard sensor assembly Apr. 17, 2007
7054229 Multi-line towed acoustic array shape measurement unit May. 30, 2006
6847588 Method for changing the frequency for sampling sonar wavefronts Jan. 25, 2005
6839302 Acoustic emitters for use in marine seismic surveying Jan. 4, 2005
6819984 LOST 2--a positioning system for under water vessels Nov. 16, 2004
6697300 Method and apparatus for determining the positioning of volumetric sensor array lines Feb. 24, 2004
6563762 Termination assembly for disposal between a marine tow cable and an acoustic receiver array May. 13, 2003
6525994 Tracking system and method of operation thereof Feb. 25, 2003
6501704 Underwater object positioning system Dec. 31, 2002
6473364 High frequency acoustic float for the versatile mine system Oct. 29, 2002
6404701 Encapsulated volumetric acoustic array in the shape of a towed body Jun. 11, 2002
6385132 Seismic sensor shroud package May. 7, 2002
6370085 Extendable hull-mounted sonar system Apr. 9, 2002
6256264 Localization of a submerged tow vehicle (lost) Jul. 3, 2001
6185154 Low surface friction acoustic envelope for towed sonar arrays Feb. 6, 2001
6111817 Towed body yaw angle sensor Aug. 29, 2000
5986975 Drag antenna Nov. 16, 1999
5909408 Towed acoustic transmitter Jun. 1, 1999
5859812 Self powered underwater acoustic array Jan. 12, 1999
5784337 Towed array with non-acoustic sensor module Jul. 21, 1998
5781506 Method and apparatus for frequency filtering using an elastic fluid-filled cylinder Jul. 14, 1998
5757724 Zero velocity towed array system May. 26, 1998
5757721 Inverse method to measure the breathing wave speed in a liquid-filled cylindrical shell May. 26, 1998
5757725 Dual zero velocity towed array system May. 26, 1998
5668775 Methods for determining the position of seismic equipment, and applications of the methods Sep. 16, 1997
5532979 Towed array strain-sensing noise canceller Jul. 2, 1996
5528555 System and method for compensating for towed array motion induced errors Jun. 18, 1996
5528554 Linear array lateral motion compensation method Jun. 18, 1996
5497356 Method and apparatus for verifying the location of a seismic bottom cable in real time Mar. 5, 1996
5481505 Tracking system and method Jan. 2, 1996
5432753 Target detector and localizer for passive sonar Jul. 11, 1995
5353223 Marine navigation method for geophysical exploration Oct. 4, 1994
5331603 Magnetic heading sensor alignment and roll reducing device Jul. 19, 1994

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