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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04/03/2003 | DE10201411C1 Noise-damping retaining system with metal wire embedded in transparent acrylic glass panel, useful as noise-protection barrier, e.g. for bridge or multistory car park, has plastics layer between wire and matrix |
04/02/2003 | EP1298642A2 Ultrasonic probe containing an element for controlling the sonic speed |
04/02/2003 | EP1297523A1 Active noise reduction system |
04/02/2003 | EP1296832A1 Method for producing composite elements and composite element |
04/02/2003 | EP0966411B1 Use of aerogels for deadening structure-borne and/or impact sounds |
04/02/2003 | EP0929825B1 Two-dimensional array transducer and beamformer |
04/02/2003 | CN1406558A 冲击波源 Shock wave source |
04/01/2003 | US6542857 System and method for characterizing synthesizing and/or canceling out acoustic signals from inanimate sound sources |
04/01/2003 | US6542054 Acoustic mirror and method for producing the acoustic mirror |
04/01/2003 | US6541896 Method for manufacturing combined acoustic backing and interconnect module for ultrasonic array |
03/27/2003 | WO2003026343A2 Controller interface for directional sound system |
03/27/2003 | WO2001094099A8 Rotary sonotrode for continuous large dimension welding |
03/27/2003 | US20030060715 Ultrasonic probe |
03/27/2003 | US20030060113 Thermo formable acoustical panel |
03/27/2003 | US20030059058 Modular active noise air filter speaker and microphone assembly |
03/27/2003 | US20030057017 Sound-proofing panel, in particular a rotorcraft structural or lining panel |
03/26/2003 | EP1296313A2 Systems and methods for suppressing pressure waves using a corrective signal |
03/26/2003 | EP1296136A2 Ultrasonic search unit and method for producing the same |
03/26/2003 | EP1295282A1 Shaped microperforated polymeric film sound absorbers and methods of manufacturing the same |
03/26/2003 | EP1294558A2 Process for forming a multilayer, multidensity composite insulator |
03/26/2003 | EP1294557A2 Process for forming composite insulator |
03/26/2003 | EP1250592A4 Acoustic sensor module design and fabrication process |
03/26/2003 | EP1226573B1 Active noise cancellation system with integrated horn function |
03/26/2003 | CN1406372A Methods and systems for noise reduction for spatially displaced signal sources |
03/25/2003 | US6537220 Ultrasound imaging with acquisition of imaging data in perpendicular scan planes |
03/25/2003 | US6537219 Static focus ultrasound apparatus and method |
03/25/2003 | US6536675 Temperature determination in a controlled space in accordance with occupancy |
03/25/2003 | US6536556 Noise reduction sandwich panel, notably for aircraft turbojet engine |
03/25/2003 | US6536555 Multilayer acoustic damper for a disc drive |
03/25/2003 | US6536457 Fluid and fuel delivery systems reducing pressure fluctuations and engines including such systems |
03/25/2003 | US6536275 Ultrasonic transducer for liquid measurement |
03/20/2003 | WO2003023762A1 Multi-frequency acoustic vibration transmission method and system |
03/20/2003 | WO2003023760A2 Non-cylindrical acoustic wave device |
03/20/2003 | WO2003023449A1 Concentrating seismic energy in a selected target point in an underground formation |
03/20/2003 | WO2003023217A1 Fluid guideline, especially in the form of a tube for taking up untreated air in an air filter of a motor vehicle |
03/20/2003 | WO2003022776A1 Sound absorption material |
03/20/2003 | WO2003022568A1 Vibration damping material and vibration damper |
03/20/2003 | US20030055340 Ultrasound transmitter and/or receiver system |
03/20/2003 | US20030055339 Comprising a piezoelectric element for transmitting/receiving an ultrasonic wave and a cured by laser light acoustic matching layer; ultrasonic diagnostic apparatus, medical equipment |
03/20/2003 | US20030055338 Apparatus and methods for ultrasound imaging with positioning of the transducer array |
03/20/2003 | US20030055308 Ultrasound imaging with acquisition of imaging data in perpendicular scan planes |
03/20/2003 | US20030053635 Active sound attenuation device to be arranged inside a duct, particularly for the sound insulation of a ventilating and/or air conditioning system |
03/20/2003 | US20030052807 Noise cancellation apparatus and method |
03/20/2003 | US20030051479 Systems and methods for suppressing pressure waves using corrective signal |
03/20/2003 | CA2401062A1 Thermo formable acoustical panel |
03/19/2003 | EP1293960A2 Ultrasonic transmitter and receiver having an ultrasonic transducer and waveguide |
03/19/2003 | EP1293959A2 Speaker retention assembly for an active noise control system |
03/19/2003 | EP1293647A2 Active noise conditioning system |
03/19/2003 | EP1292228A1 Two-way mechano-electrical transducer |
03/19/2003 | CA2390813A1 Ultrasonic search unit and method for producing the same |
03/18/2003 | US6533063 Video equipment speaker device with acoustic lens |
03/13/2003 | WO2003021096A1 Heat-insulating and sound-absorbing lining for the engine compartment of motor vehicles |
03/13/2003 | WO2002069317A3 Networked sound masking and paging system |
03/13/2003 | WO2002059497A3 Neural net controller for noise and vibration reduction |
03/13/2003 | US20030050559 Non-cylindrical acoustic wave device |
03/13/2003 | US20030048910 Sound masking system |
03/13/2003 | US20030048695 Concentrating seismic energy in a selected target point in an underground formation |
03/13/2003 | US20030048039 Piezoelectric damping system for reducing noise transmission through structures |
03/13/2003 | US20030047380 Speaker retention assembly for an active noise control system |
03/13/2003 | US20030047375 Portable acoustic hearing enhancement device |
03/13/2003 | DE20215877U1 Acoustic insulating panel is made from a single sheet cut with orthogonal grooves on opposite faces |
03/12/2003 | EP1291845A2 Sound masking system |
03/12/2003 | EP1291570A2 Noise and vibration suppressors |
03/12/2003 | EP1290911A1 Acoustic transmission connection, headset with acoustic transmission connection, and uses of the acoustic transmission connection |
03/12/2003 | EP1290256A2 Sound and thermal insulating non-woven synthetic sheet material |
03/12/2003 | EP1289901A1 Insulating product in particular thermal containing a binder based on phenol-formaldehyde resin and method for making same |
03/12/2003 | CN2540009Y Metal fiber acoustic board |
03/12/2003 | CN2539782Y Honeycomb core compoiste sound-absorbing board |
03/12/2003 | CN1402952A Method and apparatus to direct sound |
03/12/2003 | CN1401855A Sound isolation material and sound isolating structure |
03/11/2003 | US6532296 Active noise reduction audiometric headphones |
03/11/2003 | US6532193 Ultrasound sensor |
03/11/2003 | US6530887 Ultrasound probe with integrated electronics |
03/11/2003 | US6530768 Ultrasonic cutting system |
03/11/2003 | US6530453 Sound absorbing structure |
03/11/2003 | US6530452 Reactive silencer for industrial air channels and its use |
03/11/2003 | US6530451 System of elements for the diffusion of sound in rooms deligated to the reproduction of music and speech |
03/10/2003 | CA2398201A1 Sound masking system |
03/06/2003 | WO2003019125A1 Steering of directional sound beams |
03/06/2003 | WO2003018367A1 Trim panel insulator for a vehicle |
03/06/2003 | WO2002019758A3 Electromechanic transducer, especially for mounting in the intake pipe of an internal combustion engine |
03/06/2003 | US20030042657 Forming aperture with laser beams |
03/06/2003 | US20030042069 Sound reducing device for a coffee grinder and other kitchen appliances |
03/06/2003 | US20030041653 Method and apparatus for characterizing materials by using a mechanical resonator |
03/06/2003 | DE20121610U1 Active acoustic echo compensation, by generating acoustic signal with 180 degree phase shift to cancel incident acoustic signal at boundary surface |
03/06/2003 | CA2455872A1 Trim panel insulator for a vehicle |
03/05/2003 | EP1286821A1 Rotary sonotrode for continuous large dimension welding |
03/04/2003 | US6527723 Variable multi-dimensional apodization control for ultrasonic transducers |
02/27/2003 | US20030039793 Trim panel insulator for a vehicle |
02/27/2003 | DE20216095U1 Acoustic damping system for ducted air has the input air split into parallel chambers via oval ducts |
02/27/2003 | DE20212947U1 Mobile phone earpiece has acoustic tube connection from electric cable fed speaker |
02/26/2003 | EP1285432A1 A method and a device for generating low frequency sound and use of the device |
02/25/2003 | US6524691 Sound absorbing-insulating structure for vehicles |
02/20/2003 | WO2003015461A2 Ultrasonic amplifier or horn and method of manufacture |
02/20/2003 | WO2003015074A1 Active noise control system with on-line secondary path modeling |
02/20/2003 | US20030035552 Process and system for directional acoustic propagation |
02/20/2003 | DE10153444C1 Passive location method for sound-emitting target processes signals from electroacoustic transducer device for providing signal level characteristic as function of distance for estimation of target range |
02/19/2003 | EP1284586A2 Method and system for directional sound generation |
02/19/2003 | EP1284585A1 Waveguide electracoustical transducing |
02/19/2003 | EP1283789A1 Multilayer molded element |