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Class Information
Number: 367/174
Name: Communications, electrical: acoustic wave systems and devices > Signal transducers > Underwater type > Transducer with diaphragm
Description: Subject matter having a flexible member which couples vibrations in an acoustic medium to or from the transducer element.










Sub-classes under this class:

Class Number Class Name Patents
367/175 Diaphragm with electric driving coil 63


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8670292 Electromagnetic linear actuators for marine acoustic vibratory sources Mar. 11, 2014
8644115 Hydrophone and pressure balancing device for using for hydrophone Feb. 4, 2014
8570836 Acoustic transducer Oct. 29, 2013
8565043 Acoustic transducer Oct. 22, 2013
8446798 Marine acoustic vibrator having enhanced low-frequency amplitude May. 21, 2013
8135149 Wireless communication device Mar. 13, 2012
8103025 Surface mountable transducer system Jan. 24, 2012
8094519 Intensity modulated fiber optic hydrophones Jan. 10, 2012
7982369 Ultrasonic probe and ultrasonic diagnostic apparatus Jul. 19, 2011
RE42347 Solid state silicon-based condenser microphone May. 10, 2011
RE42346 Solid state silicon-based condenser microphone May. 10, 2011
7793404 Resonant-oscillating-device fabrication method Sep. 14, 2010
7727156 Dual frequency band ultrasound transducer arrays Jun. 1, 2010
7633835 High power, motor driven underwater acoustic transducer Dec. 15, 2009
7570544 Diaphragm cup for an ultrasonic transducer Aug. 4, 2009
7551518 Driving means for acoustic marine vibrator Jun. 23, 2009
7535801 Multiple frequency sonar transducer May. 19, 2009
7480209 Submersible loudspeaker assembly Jan. 20, 2009
7453772 Flexural cylinder projector Nov. 18, 2008
7355926 Portable low frequency projector Apr. 8, 2008
7311678 Pressure-pulse therapy apparatus Dec. 25, 2007
7035167 Seismic sensor Apr. 25, 2006
7030536 Micromachined ultrasonic transducer cells having compliant support structure Apr. 18, 2006
6990046 Sonar transducer Jan. 24, 2006
6956792 Openwork shell projector Oct. 18, 2005
6873572 Low-frequency sonar countermeasure Mar. 29, 2005
6865140 Mosaic arrays using micromachined ultrasound transducers Mar. 8, 2005
6771788 Shielded microphone Aug. 3, 2004
6755796 Pressure-pulse therapy apparatus Jun. 29, 2004
6714484 Microfabricated acoustic transducer with suppressed substrate modes Mar. 30, 2004
6711097 Driving device for a hydroacoustic transmitter Mar. 23, 2004
6643222 Wave flextensional shell configuration Nov. 4, 2003
6535459 Barrel stave projector-stave attachment Mar. 18, 2003
6504795 Arrangement of micromechanical ultrasound transducers Jan. 7, 2003
6314057 Micro-machined ultrasonic transducer array Nov. 6, 2001
6298012 Doubly resonant push-pull flextensional Oct. 2, 2001
6262946 Capacitive micromachined ultrasonic transducer arrays with reduced cross-coupling Jul. 17, 2001
6185809 Method of manufacturing a diaphragm for an electroacoustic transducer Feb. 13, 2001
6186963 Device for generating acoustic shock waves, especially for medical applications Feb. 13, 2001
6094402 Ultrasonic transducer Jul. 25, 2000
6088463 Solid state silicon-based condenser microphone Jul. 11, 2000
6049511 High sensitivity fiber optic hydrophone Apr. 11, 2000
5982709 Acoustic transducers and method of microfabrication Nov. 9, 1999
5959939 Electrodynamic driving means for acoustic emitters Sep. 28, 1999
5956292 Monolithic micromachined piezoelectric acoustic transducer and transducer array and method of making same Sep. 21, 1999
5912863 Electro-acoustic transducer Jun. 15, 1999
5894452 Microfabricated ultrasonic immersion transducer Apr. 13, 1999
5894451 Impulsive snap-through acoustic pulse generator Apr. 13, 1999
5875154 Barrel stave flextensional projector Feb. 23, 1999
5870351 Broadband microfabriated ultrasonic transducer and method of fabrication Feb. 9, 1999

1 2 3










 
 
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