| 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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| 05/20/1999 | WO1999025153A1 Sound recording and playback system |
| 05/20/1999 | WO1999024967A1 Shielded ultrasound probe |
| 05/20/1999 | WO1999024290A1 Vibration dampening laminate |
| 05/20/1999 | CA2309983A1 Vibration dampening laminate |
| 05/19/1999 | EP0916966A1 Ultrasonic signal focusing method and apparatus for ultrasonic imaging system |
| 05/19/1999 | EP0916817A2 Active silencer |
| 05/19/1999 | EP0916536A2 Method for reducing the periodical pressure variations of an external stream flowing around the opening of a cavity |
| 05/19/1999 | EP0916100A1 Acoustic isolator for acoustic well logging tool |
| 05/19/1999 | EP0916090A1 Ultrasonic device for inspection of metal parts |
| 05/19/1999 | EP0791140B1 Securing component for a body in a wall |
| 05/19/1999 | EP0741873B1 A passive sensor system using ultrasonic energy |
| 05/18/1999 | US5905692 For processing digital samples |
| 05/18/1999 | US5905234 Sound absorbing mechanism using a porous material |
| 05/18/1999 | US5904024 Mount construction of foam substrate in hollow structures |
| 05/18/1999 | CA2166951C Conical ultrasound waveguide |
| 05/14/1999 | WO1999023854A2 Sound-transmitting amusement device and method |
| 05/14/1999 | WO1999022833A1 Denta-mandibular sound-transmitting system |
| 05/12/1999 | EP0914253A1 Simultaneous amplitude and force profiling during ultrasonic welding of thermoplastic workpieces |
| 05/12/1999 | EP0678071B1 Method and apparatus for masking the acoustic signature of vessels |
| 05/12/1999 | DE19749037A1 Sound-absorbing building plate of plaster |
| 05/11/1999 | US5903819 Noise suppressor circuit and associated method for suppressing periodic interference component portions of a communication signal |
| 05/11/1999 | US5903077 Modular vibratory force generator, and method of operating same |
| 05/11/1999 | US5902241 Ultrasound imaging system |
| 05/11/1999 | US5902167 Sound-transmitting amusement device and method |
| 05/11/1999 | CA2161741C Noise-reduction system for vehicle tires |
| 05/06/1999 | WO1999022361A1 Control system and method for resonant apparatus such as adaptive tunable vibration absorbers |
| 05/06/1999 | WO1999022160A1 Shock absorbing component and construction method |
| 05/06/1999 | WO1999010875A3 Ultrasonic converter with a board for an electric circuit arranged in the longitudinal direction of the converter |
| 05/06/1999 | EP0625266B1 Method and apparatus for ultrasonic inspection of inaccessible areas |
| 05/06/1999 | DE19849035A1 Construction machinery motor noise silencer |
| 05/06/1999 | CA2307117A1 Control system and method for resonant apparatus such as adaptive tunable vibration absorbers |
| 05/05/1999 | CN2316805Y Musical flower |
| 05/04/1999 | US5900593 Loudspeaker system |
| 05/04/1999 | US5900286 Method of producing an attenuating structure on a surface wave component |
| 05/04/1999 | CA2021244C Noise reducing device |
| 04/29/1999 | WO1999020364A1 Method and apparatus for enhancing an applause |
| 04/29/1999 | DE19841691A1 Unit for reducing humming or whistling noises of heating device |
| 04/29/1999 | DE19747271A1 Motor air intake |
| 04/28/1999 | EP0911803A2 Acoustic liner |
| 04/28/1999 | CN1214965A Device capable immersing and containing sound transducer |
| 04/27/1999 | US5897951 Monofilaments of polymeric material and asphaltic material |
| 04/27/1999 | US5897935 System and method for fastening insulating layer to sheet material |
| 04/27/1999 | US5897501 Imaging system with multiplexer for controlling a multi-row ultrasonic transducer array |
| 04/27/1999 | CA2166579C Ultrasound diagnostics system for obtaining a tomographic image |
| 04/22/1999 | WO1999001234A3 Ultrasonic transducer |
| 04/22/1999 | DE19743376A1 Acoustic wave therapy device for lithotripsy or pain treatment |
| 04/21/1999 | EP0909680A1 Noise insulating structure for automotive vehicle passenger compartment |
| 04/21/1999 | EP0909225A1 Rotary acoustic horn |
| 04/21/1999 | EP0909223A1 Ultrasonic transducer with contact member |
| 04/21/1999 | EP0615648B1 Active noise control of an enclosure with multiple transducers |
| 04/21/1999 | CN2315623Y Loudspeaker box with magnetic suction type surface net |
| 04/20/1999 | US5895897 Perforated body of alumina based ceramic with silicon carbide whiskers, varying void diameters, mixing ceramic powder, fibers, binder, dispersant, foaming agent and water, molding, drying, baking, jet engines, building materials, |
| 04/20/1999 | US5895699 Tiedown ply for reducing core crush in composite honeycomb sandwich structure |
| 04/20/1999 | US5895538 Method of manufacturing and using vibration-damping material |
| 04/15/1999 | WO1999018564A1 Sound enclosure |
| 04/15/1999 | WO1999017893A1 Hollow vibrational horn |
| 04/15/1999 | DE19847441A1 Sound insulating plate for damping engine noise |
| 04/14/1999 | EP0908018A2 System and method for adaptive interference cancelling |
| 04/14/1999 | EP0907948A1 Nonlinear reduced-phase filters for active noise control |
| 04/14/1999 | EP0639962B1 Hands free noise canceling headset |
| 04/13/1999 | US5893363 Ultrasonic array transducer transceiver for a hand held ultrasonic diagnostic instrument |
| 04/08/1999 | WO1999017275A1 Adaptive control system with efficiently constrained adaptation |
| 04/08/1999 | WO1999017012A1 Silencer with a bypass resonator |
| 04/08/1999 | WO1999006990A3 Compact horn speaker |
| 04/08/1999 | WO1998039209A9 Sound reduction method and system for jet engines |
| 04/08/1999 | DE19809257C1 Focus of acoustic pulses in a medium |
| 04/08/1999 | DE19756577C1 Acoustic damping backing material for ultrasound transducer |
| 04/08/1999 | DE19744179A1 Exhaust muffler component-cells |
| 04/08/1999 | DE19743482A1 Schalldämpfer mit einem Nebenschlußresonator Muffler with a shunt resonator |
| 04/08/1999 | DE19742741A1 Noise suppression device for vehicle |
| 04/07/1999 | EP0907036A2 Mechanical resonator with variable resonance frequency |
| 04/07/1999 | EP0906612A1 Foam component for soundproofing hollow spaces |
| 04/07/1999 | EP0632920B1 Therapy apparatus with variable focalization without secondary focalization |
| 04/06/1999 | US5892187 Tunable recyclable headliner |
| 04/06/1999 | CA2101027C Active acoustic attenuation and spectral shaping system |
| 03/31/1999 | EP0904035A1 Active feedback control system for transient narrow-band disturbance rejection over a wide spectral range |
| 03/31/1999 | EP0796488B1 Surface wave component and method of producing an attenuating structure therefor |
| 03/31/1999 | CN1212146A Hand held ultrasonic diagnostic instrument with digital beamformer |
| 03/30/1999 | US5889869 Invisible acoustic screen for open-plan offices and the like |
| 03/30/1999 | US5888626 Plain surface acoustical product and coating therefor |
| 03/25/1999 | WO1999014736A1 Method and equipment for attenuating sound in a duct |
| 03/25/1999 | WO1998048737A9 Active headset with bridge amplifier |
| 03/25/1999 | DE19751940C1 Intake silencer for motor vehicle internal combustion engine |
| 03/25/1999 | DE19738731A1 Building system to partition-off rooms with improved sound insulation |
| 03/24/1999 | EP0902943A1 Protective cover assembly having sound transmission characteristics |
| 03/24/1999 | CN1211947A Composite honeycomb sandwich structure |
| 03/23/1999 | US5886950 Auto focusing process for synthetic antenna sonars |
| 03/23/1999 | US5886456 Ultrasonic transducer and ultrasonic detection and high temperature processing systems incorporating same |
| 03/23/1999 | US5886306 Layered acoustical insulating web |
| 03/23/1999 | CA2190665C Collapsible image derived differential microphone |
| 03/23/1999 | CA2124662C Multi-channel echo cancelling method and a device thereof |
| 03/18/1999 | WO1999013685A1 Sound-transmitting amusement device and method |
| 03/18/1999 | WO1999013681A2 Aerogels, piezoelectric devices, and uses therefor |
| 03/18/1999 | WO1999013452A2 Phased array system architecture |
| 03/18/1999 | WO1999012486A1 Apparatus for applying high-intensity ultrasonic waves to a target volume within a human or animal body |
| 03/18/1999 | DE19803947C1 Noise suppresser for propeller driven aircraft |
| 03/18/1999 | DE19740423A1 Sound-wave transmission equipment via medium e.g. loudspeaker |
| 03/18/1999 | DE19739877A1 Mechanical resonator with variable resonance frequency for shock absorber |
| 03/18/1999 | DE19735649A1 Damping element for e.g. electrical engineering |
| 03/18/1999 | DE19730355C1 Noise absorber for air duct in building glazing |