| 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) |
|---|
| 04/22/1998 | CN1179690A Loudspeaker phase distortion control using velocity feedback |
| 04/21/1998 | US5741824 Compositions based on styrene copolymers and/or alkyl methacrylate homopolymers and/or copolymers of methyl methacrylate; good vibration-damping effect; reduce noise caused by particle impact |
| 04/21/1998 | US5740806 Dynamic receive aperture transducer for 1.5D imaging |
| 04/16/1998 | WO1998015944A1 Method and arrangement for damping wall movement |
| 04/16/1998 | WO1998015943A1 Muffling wall |
| 04/16/1998 | WO1998015846A1 Two-dimensional array transducer and beamformer |
| 04/16/1998 | DE19707123C1 Cellular shell for helicopter fuselage |
| 04/16/1998 | CA2267840A1 Method and arrangement for damping wall movement |
| 04/15/1998 | EP0835444A1 Ultrasonic path bundle and systems |
| 04/15/1998 | EP0624274B1 Active noise cancellation |
| 04/14/1998 | US5740258 Active noise supressors and methods for use in the ear canal |
| 04/14/1998 | US5740256 Adaptive noise cancelling arrangement, a noise reduction system and a transceiver |
| 04/14/1998 | US5740128 Ultrasonic harmonic imaging system and method |
| 04/14/1998 | US5739482 For attenuating sound or noise coming from a noise source |
| 04/14/1998 | US5739457 Method and apparatus for simulating a jam session and instructing a user in how to play the drums |
| 04/14/1998 | US5738924 Sandwich construction building materials |
| 04/14/1998 | US5738635 Adjustable focusing therapeutic apparatus with no secondary focusing |
| 04/14/1998 | US5738098 Multi-focus ultrasound lens |
| 04/14/1998 | CA2033533C Apparatus and method for detecting inhomogeneities in semi-plastic substances through ultrasound |
| 04/09/1998 | DE19648986C1 Directional rod-type acoustic radiator |
| 04/09/1998 | DE19640402A1 Sound-damping composite |
| 04/08/1998 | EP0834172A1 Towed acoustic transmitter |
| 04/08/1998 | EP0834085A1 Ultra-sound area surveillance system |
| 04/08/1998 | EP0833973A1 Method of attenuating sound, and acoustical insulation therefor |
| 04/08/1998 | EP0558472B1 Improvements in attenuators |
| 04/07/1998 | US5737279 Retractable sensor array system |
| 04/07/1998 | US5736254 Multilayer laminate |
| 04/07/1998 | US5735796 Therapy apparatus with a source of acoustic waves |
| 04/07/1998 | US5735282 Flexible ultrasonic transducers and related systems |
| 04/02/1998 | WO1998013821A1 Active control of acoustic output in gradient coils |
| 04/02/1998 | WO1998013820A1 Method and apparatus for simulating a jam session and instructing a user in how to play the drums |
| 04/02/1998 | WO1998013540A1 Automotive acoustical insulator |
| 04/02/1998 | DE19742198A1 Sound absorbing laminate structure useful for noise reduction |
| 04/02/1998 | DE19640605A1 Sound detection device e.g. for medical application |
| 04/02/1998 | DE19640087A1 Sound absorber element for absorber plates used for sound damping in studio and concert halls, for screening motor ways etc |
| 04/01/1998 | CN1177898A Multi-stage turbulent-flow shielding can for microphone |
| 04/01/1998 | CN1177792A Fluidic element structure body for controlling noise and vibration, and control method thereof |
| 03/31/1998 | US5734727 Sunroof assembly noise attenuation system |
| 03/31/1998 | US5734715 Process and device for adaptive identification and adaptive echo canceller relating thereto |
| 03/31/1998 | US5734133 Muffler for structure-borne noise of running wheels |
| 03/31/1998 | US5732706 Ultrasonic array with attenuating electrical interconnects |
| 03/31/1998 | US5732547 Jet engine fan noise reduction system utilizing electro pneumatic transducers |
| 03/31/1998 | CA2122107C Non-integer sample delay active noise canceller |
| 03/26/1998 | DE19638725A1 Sandwich acoustic insulation board |
| 03/25/1998 | EP0579667B1 Active noise recuction |
| 03/24/1998 | US5732143 Noise cancellation apparatus |
| 03/24/1998 | US5731359 Foamed thermoplastic resin |
| 03/19/1998 | WO1998011533A1 Light weight, high performance vibration-damping system |
| 03/19/1998 | CA2262897A1 Light weight, high performance vibration-damping system |
| 03/18/1998 | EP0829848A2 Fluidic element noise and vibration control constructs and methods |
| 03/18/1998 | EP0829079A1 Personal active noise cancellation method and device having invariant impulse response |
| 03/18/1998 | EP0829078A1 Acoustic horn transducer with a conic type diffuser having an exponential profile in wood |
| 03/18/1998 | EP0828466A1 Active noise cancelling muffler |
| 03/18/1998 | EP0746844B1 Apparatus for sound-proofing a machine such as a combustion turbine engine |
| 03/18/1998 | EP0634919B1 Active noise-cancellation system for automotive mufflers |
| 03/17/1998 | US5728978 Acoustic isolator for acoustic well logging tool |
| 03/17/1998 | US5728124 Medical needle for use in ultrasound imaging and method of enhancing the visiblity of such a needle to ultrasound |
| 03/12/1998 | DE19739778A1 Vibration-damping and sound-absorbing part for vehicles |
| 03/12/1998 | DE19739432A1 Acoustic component for influencing room acoustics |
| 03/11/1998 | EP0733004B1 Modular sound-absorbing covering |
| 03/11/1998 | EP0702708B1 Acoustically active plastisols |
| 03/10/1998 | US5727073 Noise cancelling method and noise canceller with variable step size based on SNR |
| 03/10/1998 | US5727071 Noise silencing device |
| 03/10/1998 | US5726444 Ultrasonic directional fiber-optic hydrophone |
| 03/10/1998 | US5725482 Method for applying high-intensity ultrasonic waves to a target volume within a human or animal body |
| 03/10/1998 | US5724972 In an ultrasonic imaging system |
| 03/05/1998 | WO1998009273A1 Cone reflector/coupler speaker system and method |
| 03/05/1998 | WO1998009272A1 Sound absorbent component with acoustic resonators |
| 03/05/1998 | DE19635788A1 Noise-damping element for permanent tracks of railway lines |
| 03/05/1998 | DE19635548A1 Used glass recycling container |
| 03/05/1998 | DE19634615A1 Schallabsorbierender Bauteil Sound-absorbing component |
| 03/04/1998 | EP0827134A2 Multistage turbulence shield for microphones |
| 03/04/1998 | EP0615504B1 Cleaning and etching methods utilising acoustic fields |
| 03/03/1998 | US5724485 Adaptive cross correlator apparatus comprising adaptive controller for adaptively adjusting transfer functions of two filters |
| 03/03/1998 | US5724432 Acoustic attenuation device with active double wall |
| 03/03/1998 | US5722412 Hand held ultrasonic diagnostic instrument |
| 02/28/1998 | CA2214302A1 Acoustical blanket |
| 02/26/1998 | WO1998007610A1 Information generator using elastic wave |
| 02/26/1998 | DE19654618C1 Noise insulator for gas pipe system |
| 02/26/1998 | DE19633839A1 Sound proof shield for vehicle |
| 02/25/1998 | EP0824844A1 Acoustic vibration generator |
| 02/25/1998 | CN1174622A Surface wave component and method of producing attenuating structure thereof |
| 02/24/1998 | US5721463 Method and apparatus for transferring heat from transducer array of ultrasonic probe |
| 02/24/1998 | US5720287 Therapy and imaging probe and therapeutic treatment apparatus utilizing it |
| 02/24/1998 | US5720285 Method and apparatus for controlling rotation of an ultrasound transducer |
| 02/19/1998 | WO1997050186A3 System and method for adaptive interference cancelling |
| 02/18/1998 | EP0824255A2 Active acoustic wall |
| 02/18/1998 | EP0652810B1 Process and device for sifting, sorting, screening, filtering or sizing substances |
| 02/18/1998 | CN1173937A Lambda/4 sound absorber |
| 02/17/1998 | US5719945 Active foam for noise and vibration control |
| 02/17/1998 | US5719824 Transducer assembly with acoustic damping |
| 02/17/1998 | US5719359 For damping acoustic waves propagating in a gaseous medium |
| 02/17/1998 | US5718226 Photonically controlled ultrasonic probes |
| 02/12/1998 | WO1998006143A1 Apparatus and methods for cleaning delicate parts |
| 02/12/1998 | WO1998006089A1 ACTIVE STRUCTURAL CONTROL SYSTEM AND METHOD INCLUDING ACTIVE VIBRATION ABSORBERS (AVAs) |
| 02/12/1998 | WO1998005981A1 Acoustic isolator for acoustic well logging tool |
| 02/12/1998 | WO1998005954A1 Ultrasonic device for inspection of metal parts |
| 02/12/1998 | WO1998005811A1 Asphalt-containing organic fibers |
| 02/12/1998 | DE19700373A1 Insulating material, e.g. for heat or sound insulation in buildings |
| 02/12/1998 | DE19632230A1 Adaptive noise and vibration control system for motor vehicle interior |