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Class Information
Number: 367/142
Name: Communications, electrical: acoustic wave systems and devices > Signal transducers > Underwater type > Exclusive-type transmitter
Description: Subject matter comprising transducers which are only capable of converting electric signals into acoustic waves.










Sub-classes under this class:

Class Number Class Name Patents
367/144 Air guns 160
367/148 Electrically driven underwater bells or sirens 9
367/145 Explosives 37
367/143 Hydraulically driven vibrator 51
367/146 Implosion devices 33
367/147 Spark discharge devices 56


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8682244 Underwater communication system Mar. 25, 2014
8634276 Tunable bubble sound source Jan. 21, 2014
8605552 Autonomous waterproof electronic signaling device Dec. 10, 2013
8520471 Towed acoustic source Aug. 27, 2013
8515344 Diver communication system Aug. 20, 2013
8515343 Water based vehicle communications system Aug. 20, 2013
8446798 Marine acoustic vibrator having enhanced low-frequency amplitude May. 21, 2013
8441892 Gas-filled bubble seismo-acoustic source May. 14, 2013
8385821 Underwater vehicle communications system Feb. 26, 2013
8364078 Communications system Jan. 29, 2013
8358973 Communications system Jan. 22, 2013
8346164 Underwater communication system Jan. 1, 2013
8346165 Diver audio communication system Jan. 1, 2013
8335469 Communications system Dec. 18, 2012
8331198 Gas-filled bubble sound source Dec. 11, 2012
8331856 Underwater camera communication system Dec. 11, 2012
8326219 Communications system Dec. 4, 2012
8315560 Underwater navigation Nov. 20, 2012
8259534 Generator device for marine geophysical research Sep. 4, 2012
8233801 Wireless high capacity sub-sea communications system Jul. 31, 2012
8218399 Gas-filled bubble sound source Jul. 10, 2012
8143897 Short-offset transient electromagnetic geophysical surveying Mar. 27, 2012
8131213 Sea vessel tagging apparatus and system Mar. 6, 2012
8081540 Rotary subwoofer marine seismic source Dec. 20, 2011
8055193 Underwater remote sensing Nov. 8, 2011
8045919 Electromagnetic/acoustic underwater communications system Oct. 25, 2011
8005424 Communication device and communication method of underwater vehicle Aug. 23, 2011
7877059 Underwater communications system comprising relay transceiver Jan. 25, 2011
7873316 Underwater communications system Jan. 18, 2011
7872946 Autonomous waterproof electronic signaling device Jan. 18, 2011
7865139 Method and system for relaying signals from a magneto-inductive system through a voice-band system Jan. 4, 2011
7853206 Underwater communications system with adaptable carrier frequency Dec. 14, 2010
7711322 Underwater communications system and method May. 4, 2010
7633835 High power, motor driven underwater acoustic transducer Dec. 15, 2009
7548489 Method for designing a resonant acoustic projector Jun. 16, 2009
7466629 Manually agitated underwater signaling device Dec. 16, 2008
7457193 Seismic source and source array having depth-control and steering capability Nov. 25, 2008
7443764 Resonant acoustic projector Oct. 28, 2008
7311677 Energy concentrator system and method Dec. 25, 2007
7311678 Pressure-pulse therapy apparatus Dec. 25, 2007
7145836 Underwater acoustic generator using pulse engine and gas disperser Dec. 5, 2006
6981952 Apparatus for generating acoustic waves Jan. 3, 2006
6771565 Low voltage seismic sound source Aug. 3, 2004
6755796 Pressure-pulse therapy apparatus Jun. 29, 2004
6570819 Low frequency acoustic projector May. 27, 2003
6385131 Thermoacoustic communications system May. 7, 2002
6164927 Process for venting a hydraulic assisted steering system Dec. 26, 2000
6085862 Drive assembly for acoustic sources Jul. 11, 2000
5652734 Directional sound signaling device Jul. 29, 1997
5646380 Drive assembly for acoustic sources Jul. 8, 1997

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