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Class Information
Number: 367/3
Name: Communications, electrical: acoustic wave systems and devices > Transponders > Sonobuoys and sonobuoy systems
Description: Subject matter which includes an underwater acoustic wave receiver, the output of which modulates a radio transmitter contained in a buoy.










Sub-classes under this class:

Class Number Class Name Patents
367/4 With component activating or deployment means 104
367/5 With plurality of sonobuoys 23


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8614578 Attenuation of electromagnetic signals passing through conductive material Dec. 24, 2013
8605540 Method and devices for underwater deployment of a structure Dec. 10, 2013
8492692 Unmanned aerial vehicle based sonar buoy Jul. 23, 2013
8442709 Underwater investigation system providing unmanned underwater vehicle (UUV) guidance based upon updated position state estimates and related methods May. 14, 2013
8059485 Communication system, information collecting method and base station apparatus Nov. 15, 2011
7986585 Reception of uplink data from sonobuoys Jul. 26, 2011
7697374 Water inflatable volumetric hydrophone array Apr. 13, 2010
7430152 System and method of operation thereof for increasing acoustic bandwidth of transmitting devices Sep. 30, 2008
7184363 Buoyant container with wave generated power production Feb. 27, 2007
6859419 Laser-based acousto-optic uplink communications technique Feb. 22, 2005
6813218 Buoyant device for bi-directional acousto-optic signal transfer across the air-water interface Nov. 2, 2004
6711095 Expenable/recoverable voice and data communications system buoy Mar. 23, 2004
6693847 Buoy for fish finding method and system Feb. 17, 2004
6687186 Sonobuoy deployment method Feb. 3, 2004
6597631 Compact expandable platform using material memory for sensor deployment Jul. 22, 2003
6400645 Sonobuoy apparatus Jun. 4, 2002
6380889 Reconnaissance sonde Apr. 30, 2002
6307810 Underwater launched acoustic warning assembly Oct. 23, 2001
6220168 Underwater intelligence gathering weapon system Apr. 24, 2001
6089345 Elastic wave exploration tool for wells Jul. 18, 2000
6058071 Magneto-inductive submarine communications system and buoy May. 2, 2000
RE36643 Buoyed sensor array communications system Apr. 4, 2000
5973994 Surface launched sonobuoy Oct. 26, 1999
5963506 Low flow noise sonobuoy suspension system Oct. 5, 1999
5742645 Method of digital demodulation of a composite signal Apr. 21, 1998
5691957 Ocean acoustic tomography Nov. 25, 1997
5663927 Buoyed sensor array communications system Sep. 2, 1997
5224074 Sonobuoy for forming virtual vertical sensing arrays Jun. 29, 1993
5175708 Battery powdered acoustic transponder for use in underwater environment Dec. 29, 1992
5117396 Large, air deployable, volumetric hydrophone array May. 26, 1992
5065370 Programmable pulse shaper for sonobouy apparatus Nov. 12, 1991
5060206 Marine acoustic aerobuoy and method of operation Oct. 22, 1991
5056065 System for deploying horizontal line array Oct. 8, 1991
5040157 Expendable virtual vertical sensing array Aug. 13, 1991
5022012 Acoustic sensing arrangements Jun. 4, 1991
5020032 Sonobuoy suspension system May. 28, 1991
5016227 Top mounted buoy signaling device May. 14, 1991
4962488 Technique for surface to surface communications using high frequency radio with low probability of intercept signaling Oct. 9, 1990
4924445 Sonobuoy cable pack May. 8, 1990
4903243 Marine transponder system Feb. 20, 1990
4901287 Underwater sonar array Feb. 13, 1990
4890334 Buoy structure for detecting fishing grounds Dec. 26, 1989
4879694 Difar demultiplexer circuit Nov. 7, 1989
4868792 Difar demultiplexer test circuit Sep. 19, 1989
4861297 Releasable airborne buoy particularly for undersea listening Aug. 29, 1989
RE33014 Cable deployment unit Aug. 8, 1989
4853900 Stabilized suspension for immersible apparatus Aug. 1, 1989
4805160 Data transmission method for ocean acoustic tomography Feb. 14, 1989
4777627 Extendible sonobuoy apparatus Oct. 11, 1988
4751685 Current feedback driver and method Jun. 14, 1988

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