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Class Information
Number: 367/141
Name: Communications, electrical: acoustic wave systems and devices > Signal transducers > Underwater type
Description: Subject matter wherein the acoustic waves propagate to or from the transducer in water.










Sub-classes under this class:

Class Number Class Name Patents
367/170 Electret 41
367/169 Elongated continuous type 29
367/149 Exclusive-type receiver 216
367/142 Exclusive-type transmitter 98
367/171 Liquid filled transducer 84
367/168 Magnetostrictive 55
367/157 Piezoelectric 209
367/153 Plural transducer array 229
367/174 Transducer with diaphragm 135
367/172 Transducer with pressure compensating means 73
367/176 Transducer with resonant or damping structure 123
367/173 Transducer with support 217
367/152 With impedance matching means 82
367/150 With modifying lens 75
367/151 With reflector 102


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8644115 Hydrophone and pressure balancing device for using for hydrophone Feb. 4, 2014
8634276 Tunable bubble sound source Jan. 21, 2014
8555483 Method of manufacturing a vibrating element Oct. 15, 2013
8537640 Active sonar system Sep. 17, 2013
8441892 Gas-filled bubble seismo-acoustic source May. 14, 2013
8364078 Communications system Jan. 29, 2013
8353383 Water motion powered seismic energy source and method for seismic surveying therewith Jan. 15, 2013
8331198 Gas-filled bubble sound source Dec. 11, 2012
8326534 Homing display system and method Dec. 4, 2012
8264909 System and method for depth determination of an impulse acoustic source by cepstral analysis Sep. 11, 2012
8256093 Method of manufacturing an acoustic mirror Sep. 4, 2012
8242626 Magneto-electric method and apparatus for remote powering on the hull of an underwater vehicle Aug. 14, 2012
8233801 Wireless high capacity sub-sea communications system Jul. 31, 2012
8223592 Omni-directional acoustic radiator with radial waveguides for submersible multi-transducer array Jul. 17, 2012
8218399 Gas-filled bubble sound source Jul. 10, 2012
8050138 Ballistic-acoustic transducer system Nov. 1, 2011
8027785 Homing display system and method Sep. 27, 2011
8009517 Wireless communication system, transmitting device, receiving device and information processing apparatus Aug. 30, 2011
7926163 Method of producing an oscillator device Apr. 19, 2011
7905006 Method of manufacturing faceplate for in-the-ear hearing aid Mar. 15, 2011
7800284 Electroacoustic transducer with annular electrodes Sep. 21, 2010
7787330 Removable protective device for a submersible liquid transmitter Aug. 31, 2010
7669310 Method of manufacturing an acoustic mirror Mar. 2, 2010
7650208 Navigational aid for diver Jan. 19, 2010
7612686 Emergency underwater notification device Nov. 3, 2009
7579753 Transducers with annular contacts Aug. 25, 2009
7542377 Increased aperture homing cavitator Jun. 2, 2009
7536913 Rigidly mounted underwater acoustic inertial vector sensor May. 26, 2009
7496001 Light and noise maker for diving use Feb. 24, 2009
7487043 Relative positioning system Feb. 3, 2009
7453763 Geophysical data acquisition system Nov. 18, 2008
7388512 Diver locating method and apparatus Jun. 17, 2008
7339852 Seismic acquisition system Mar. 4, 2008
7324406 Sensor arrangement for seismic waves Jan. 29, 2008
7292423 Acoustic/underwater signaling device Nov. 6, 2007
7267654 Focused shock-wave devices with direct wave cavitation suppressor Sep. 11, 2007
7237564 Distribution of energy in a high frequency resonating wafer processing system Jul. 3, 2007
7204009 Manufacturing method of acoustic sensor Apr. 17, 2007
7206258 Dual response acoustical sensor system Apr. 17, 2007
7180827 Surface acoustic antenna for submarines Feb. 20, 2007
7170821 Displacement current method and apparatus for remote powering of a sensor grid Jan. 30, 2007
7148811 Emergency underwater notification device Dec. 12, 2006
7080442 Manufacturing method of acoustic sensor Jul. 25, 2006
7042803 Marine seismic source towing apparatus and method May. 9, 2006
6961284 Source array for use in marine seismic exploration Nov. 1, 2005
6928720 Method of manufacturing a surface acoustic wave device Aug. 16, 2005
6904222 Optical fiber splice protection apparatus for use in optical fiber hydrophone array Jun. 7, 2005
6895309 Calendar timer mechanism and processing apparatus May. 17, 2005
6814180 Monopole-driven underwater sound source Nov. 9, 2004
6778470 Mountable syntactic foam sensor housing Aug. 17, 2004

1 2 3










 
 
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