| Patents for G10K 11 - Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general (21,150) |
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| 08/01/1989 | US4852416 Ultrasonic testing system with variable angle transducer mount |
| 07/27/1989 | DE3801735A1 Washers which are insulated with respect to structure-borne sound |
| 07/27/1989 | DE3801691A1 Dowels insulated against structure-borne sound |
| 07/26/1989 | EP0324785A1 Atmospheric variable compensation for an automated inspection system |
| 07/26/1989 | EP0324769A1 Cylindrical deployable sonar |
| 07/25/1989 | US4851271 Resonance suppression; sheet metal, polymeric inner lamination |
| 07/25/1989 | US4850915 Apparatus for deploying and supporting a large aperture volumetric array in a medium |
| 07/25/1989 | US4850093 Method of making an acoustic attenuating liner |
| 07/25/1989 | US4850054 Multipurpose sun visor |
| 07/25/1989 | CA1257793A1 Longitudinal mode fiber acoustic waveguide with solid core and solid cladding |
| 07/19/1989 | EP0155280B1 Body imaging using vectorial addition of acoustic reflections to achieve effect of scanning beam continuously focused in range |
| 07/12/1989 | EP0323875A2 Ultrasonic detector, methods for searching a moving object, ultrasonic sensor unit, element for positioning an animal, terminal apparatus for an automatic milking system, and method for automatically milking an animal |
| 07/12/1989 | EP0323668A1 Ultrasonic echograph having a modified image cadence |
| 07/06/1989 | DE3843050A1 Electric acoustic transducer |
| 07/05/1989 | EP0322473A1 Degassification of water in hydraulic spark gap shock wave generator |
| 07/05/1989 | CN2040665U Multi recerving end single-spring resound device |
| 07/04/1989 | US4845759 Sound source having a plurality of drivers operating from a virtual point |
| 07/04/1989 | US4844198 Plane wave focusing lens |
| 07/04/1989 | US4844081 Device for disintegrating kidney stones by means of shock waves |
| 06/29/1989 | DE3807344A1 Underwater measuring device |
| 06/27/1989 | US4841979 Ultrasonic prostate probe assembly |
| 06/27/1989 | US4841978 Ultrasonic scanning device with elastic pumper |
| 06/21/1989 | EP0321380A1 Surface emitting ultrasonic waves with an extended lifespan |
| 06/21/1989 | EP0321150A2 Collapsible ear tip |
| 06/20/1989 | US4841495 Horn loaded transducer for acoustic levitation |
| 06/20/1989 | US4841492 Apodization of ultrasound transmission |
| 06/20/1989 | US4841491 Ultrasonic beam former |
| 06/20/1989 | US4840251 Noise reducing apparatus |
| 06/20/1989 | US4840250 Acoustic impedance inducing device |
| 06/20/1989 | US4840166 Shock wave source with increased degree of effectiveness |
| 06/15/1989 | WO1989005122A1 Ultrasonic diagnosing apparatus |
| 06/14/1989 | EP0320466A2 Echographic technique-based apparatus to detect structure and anomalies of the subsoil and/or sea bottom and the like |
| 06/14/1989 | EP0320444A1 Portable ultrasonic probe |
| 06/14/1989 | EP0320303A2 Coherent beam formation |
| 06/14/1989 | EP0319704A2 Thermal-acoustic insulation composite panel |
| 06/13/1989 | US4839652 Method and apparatus for high speed digital phased array coherent imaging system |
| 06/13/1989 | US4839397 Automobiles |
| 06/13/1989 | US4838248 Shock wave head for non-contacting disintegration of calculi |
| 06/13/1989 | US4838070 Method and apparatus for dry testing water-immersible acoustic transducers |
| 06/13/1989 | CA1255608A1 Hybrid active silencer |
| 06/06/1989 | US4837834 Active acoustic attenuation system with differential filtering |
| 06/06/1989 | US4837754 Ultrasonic wave phase matching apparatus |
| 06/06/1989 | US4836026 Ultrasonic imaging system |
| 06/01/1989 | WO1989005026A1 Device for generating shock waves fitted with an ellipsoidal reflector |
| 06/01/1989 | WO1989004975A1 Transducer device for acoustic log |
| 05/31/1989 | EP0318387A1 Apparatus for the non-destructive control of pipes by ultrasonic means |
| 05/30/1989 | US4834212 Sound muffler for covering the mouth |
| 05/30/1989 | US4834102 Endoscope for transesophageal echocardiography |
| 05/24/1989 | EP0317507A1 Apparatus for acting by means of ultrasonic vibrations upon an object |
| 05/24/1989 | EP0317380A1 Lining with low sound reflectivity |
| 05/24/1989 | EP0317052A2 Transducer array |
| 05/24/1989 | EP0317049A2 Ultrasonic probe |
| 05/24/1989 | EP0316744A2 Sound dampening element with absorption properties for a separating wall |
| 05/24/1989 | EP0316511A2 Transducer structure |
| 05/24/1989 | EP0316433A1 Delay quantization technique to reduce steering errors in digital beamformers. |
| 05/23/1989 | US4833719 Method and apparatus for attentuating external origin noise reaching the eardrum, and for improving intelligibility of electro-acoustic communications |
| 05/23/1989 | US4833018 Magnetic, hot-melt adhering soundproofing sheet |
| 05/23/1989 | US4832147 Sound reduction membrane |
| 05/23/1989 | US4832039 Linear, low noise inflation system for blood pressure monitor |
| 05/18/1989 | WO1989004147A1 Eswl employing non-focused spherical-sector shock waves |
| 05/17/1989 | EP0315710A1 Sound absorbing pipe |
| 05/16/1989 | US4831601 Apparatus for transmitting and receiving ultrasonic signals |
| 05/16/1989 | US4829729 Anti-eavesdropping window structure |
| 05/11/1989 | DE3736600A1 Self-adhesive noise damping element |
| 05/10/1989 | EP0315430A2 Hyperthermia apparatus |
| 05/09/1989 | US4829590 Adaptive noise abatement system |
| 05/09/1989 | US4829494 Acoustic pinger for use in high speed water entry test bodies |
| 05/09/1989 | US4829491 Phased-array equipment |
| 05/09/1989 | US4829488 Drive mechanism for borehole televiewer |
| 05/09/1989 | US4828910 Sound absorbing laminate |
| 05/09/1989 | US4828175 Snow-making machine |
| 05/09/1989 | CA1253954A1 Transducer system for use with borehole televiewer logging tool |
| 05/05/1989 | WO1989003919A1 A device for a meeting-hall |
| 05/03/1989 | EP0314514A2 Transducer |
| 05/03/1989 | EP0314487A2 Delay coefficient calculator |
| 05/03/1989 | EP0313944A1 Method to reduce the flight noise for aircraft provided with propellers moved by piston engines |
| 05/03/1989 | EP0313828A2 Acoustic damper |
| 05/03/1989 | DE3735993A1 Shock wave head for the contactless crushing of concrements |
| 05/03/1989 | DE3734905A1 Device for atomising a medium |
| 05/02/1989 | US4825974 Adhesive insulation system |
| 05/02/1989 | CA1253524A1 Method of and apparatus for active vibration isolation |
| 04/27/1989 | DE3734746A1 Sound-damping device for the reduction of radiated sound power from a conduit opening |
| 04/26/1989 | EP0312848A1 Shock wave source with a centrally disposed position determination system |
| 04/26/1989 | EP0120040B1 Ultrasonic measurement |
| 04/26/1989 | CN2036695U Rotating multicolored light-and-music ball |
| 04/25/1989 | US4825117 Temperature compensated piezoelectric transducer assembly |
| 04/25/1989 | US4825116 Transmitter-receiver of ultrasonic distance measuring device |
| 04/25/1989 | US4823908 Directional loudspeaker system |
| 04/25/1989 | US4823773 Extracorporeal shock wave source with a piezoelectric generator |
| 04/25/1989 | US4823602 Accelerometer mounting device |
| 04/25/1989 | CA1253247A1 Ultrasonic image camera using arrays of acoustic waveguides |
| 04/19/1989 | EP0312396A2 Movable soundproof apparatus |
| 04/19/1989 | EP0311797A2 Sound damping covering element |
| 04/19/1989 | EP0311783A2 A high sonar transmission composition |
| 04/19/1989 | EP0311661A1 Sensor apparatus |
| 04/18/1989 | US4823042 Sonic transducer and method for making the same |
| 04/18/1989 | US4821838 Acoustic damper |
| 04/13/1989 | DE3832583A1 Sound-absorbing insulating elastomer system |
| 04/12/1989 | EP0311474A1 Flexible polyurethane foam, sound-proofing products comprising such a foam, and their preparation process |
| 04/12/1989 | EP0311150A1 Ultrasonic probe for electronic sector scanning, and echoscope incorporating such a probe |