Patents
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)
10/2001
10/30/2001US6310426 High resolution focused ultrasonic transducer, for LWD method of making and using same
10/30/2001US6309106 Motors, and bearings therefor
10/25/2001WO2001079682A1 Ventilative noise suppressing unit for vehicle
10/25/2001WO2001079376A1 Resin composition for vibration-damping material, vibration-damping material, and sound-insulating member
10/25/2001US20010033124 Horn array emitter
10/25/2001US20010032511 Three-dimensional ultrasonic scan probe
10/25/2001US20010032382 Ultrasonic phased array transducer with an ultralow impedance backfill and a method for making
10/25/2001DE10020109A1 Cladding for air-suction machine incorporates resonance chamber, cladding-wall, air filter and sound-radiating components
10/25/2001DE10018807A1 Ultrasonic parking space measurement equipment in vehicle, has controller and ultrasonic transducers arranged in common housing arranged near mounting portions of ultrasonic transducers
10/25/2001DE10018070A1 Sound absorber, in particular, for motor vehicles comprises a layer of sound absorbent material and a cover layer of a thermoplastic elastomer
10/25/2001DE10014936C1 US-Prüfkopfvorrichtung US Prüfkopfvorrichtung
10/24/2001EP1148470A2 Active sound reduction aparatus and active noise insulation wall having same
10/24/2001EP1148469A2 Offline active control of automotive noise
10/24/2001EP1148347A2 Bow dome sonar
10/24/2001EP1148335A1 Ultrasonic testing device
10/24/2001EP1147512A1 A method of and a device for actively reducing the level of a primary field of sound or vibration in a space
10/24/2001CN2455910Y Shutter style silencer
10/24/2001CN1318826A Composite material with negative elastic constant and its making process
10/23/2001US6307303 Ultrasound transmitting configuration
10/23/2001US6307302 Ultrasonic transducer having impedance matching layer
10/23/2001US6305494 Device for absorbing and/or damping sound waves
10/23/2001US6305225 Ultrasonic signal focusing method for ultrasonic imaging system
10/19/2001CA2343687A1 Bow dome sonar
10/18/2001WO2001078444A1 Dynamic enclosure
10/18/2001WO2001078059A2 Piezoelectric biological sounds monitor
10/18/2001US20010031924 Small ultrasound transducers
10/18/2001US20010031923 Apparatus and method of holding and manipulating small ultrasound transducers
10/18/2001US20010031922 Ultrasound transducers for imaging and therapy
10/18/2001US20010030079 Air-coupled surface wave structures for sound field modification
10/18/2001DE10017283A1 Method for vibration damping of a structural element in area contact with a mounting element, involves provision of a viscoelastic layer which covers the contact area and is pressed against the structural element
10/17/2001EP1146503A2 Active noise cancellation optimized air gaps
10/17/2001EP1146248A1 Torsional-vibration damping device for propeller shafts and similar
10/17/2001EP1146178A2 Wide spectrum sound absorbtion building element for walls, floors and ceilings
10/17/2001EP1144185A1 Corrugated multilayer metal foil insulation panels and methods of making
10/17/2001CN1317629A Ventilatable silenicng unit and ventilatable silencer
10/16/2001US6302857 Method and apparatus for lowering audible noise emissions from lithotriptors
10/16/2001CA2180027C Sound attenuation assembly for air-cooling apparatus
10/11/2001WO2001076317A1 Pneumatic loudspeaker
10/11/2001WO2001074624A1 Sound absorbing structure of floor surface
10/11/2001WO2001037435A3 Super directional beamforming design and implementation
10/11/2001DE10116475A1 An einem Fahrzeug montierte Geräuschsteuer/regelvorrichtung A vehicle-mounted noise control / regulating system
10/10/2001EP1143411A2 Active noise cancellation stability solution
10/10/2001EP1143410A2 Sonic head
10/10/2001EP1141936A1 Controlled acoustic waveguide for soundproofing
10/10/2001EP0878001B1 System and method for reducing engine noise
10/09/2001US6299580 Ultrasonic probe and ultrasonic diagnostic apparatus using the same
10/04/2001US20010026622 Vehicle-mounted noise control apparatus
10/04/2001EP1138887A2 Acoustic transducer for exhaust gas pulsations
10/04/2001EP1138860A1 Sound-proofing device for systems comprising a movable part
10/04/2001EP1137915A2 System and method for characterizing, synthesizing, and/or canceling out acoustic signals from inanimate sound sources
10/04/2001EP1137899A1 Combustion device and method for burning a fuel
10/04/2001DE10016104A1 Sound generation device for automobile passenger compartment has signal sources providing engine operating noise coupled to sound conduction system via sound chambers
10/04/2001DE10015342A1 Damper for contact surface vibrations/oscillations is a double-wall sandwich of metal plates with an intermediate layer of knitted metal with the loops bonded by hard solder at the plate surfaces
10/03/2001CN1316024A Method and device for obtaining vegetal fibre material and use thereof
10/02/2001US6297176 Acoustics nonfiber glass thermoplastic resin molding material for sound absorbers
10/02/2001US6296610 Ultrasonic biometric imaging and identity verification system
10/02/2001US6296076 Acoustical insulating barrier and method of making the barrier
10/02/2001US6296075 Lightweight acoustical system
10/02/2001US6295872 Ultrasonic measuring instrument
09/2001
09/29/2001CA2340846A1 Sound insulation device for systems with a moveable element
09/27/2001WO2001071707A1 Sound absorbing film
09/27/2001WO2001071225A1 Double walled baffle
09/27/2001WO2001070874A1 Highly sound-absorbing fibrous sheet
09/27/2001WO2001070499A1 Sound-absorbing element
09/27/2001WO2001031686A3 Impact-reinforced piezocomposite transducer array
09/27/2001WO2001024579A3 Insert earphone assembly for audiometric testing and method for making same
09/27/2001US20010023792 System of elements for the diffusion of sound in rooms deligated to the reproduction of music and speech
09/27/2001DE10013350A1 Device for radiating of ultrasonic energy in fluid has protective tube closely encompassing resonator and filled with de-gassed sound conducting fluid and made of acid resistant material
09/27/2001DE10013120A1 Low frequency ultrasound device for radiating energy into fluid or paste-like media, has transducers whose coupling surface is matched to curve of radiating surface
09/27/2001DE10012865A1 Surface wave element with several tracks for propagating acoustic surface waves with new measure for compensating unwanted high damping
09/27/2001DE10004859A1 Fibrous material lining for reducing noise in motor vehicles, comprises hollow elastic members embedded in it
09/26/2001EP1135766A1 Acoustic resonator with bored open volume
09/26/2001CN2450347Y Noise absorbed door or window
09/26/2001CN2450346Y Noise absorbing mechanism for door or window
09/25/2001US6295363 Adaptive passive acoustic attenuation system
09/25/2001US6293912 Ultrasound scanner with beam former
09/23/2001CA2330369A1 Appliance incorporating sound cancellation system
09/20/2001WO2001069998A1 Silent heat exchanger and fan assembly
09/20/2001WO2001069589A1 Surface wave element having several tracks for propagating acoustic surface waves
09/20/2001WO2001069588A1 A method and a device for generating low frequency sound and use of the device
09/20/2001WO2001069283A2 Method and apparatus for dynamic focusing of ultrasound energy
09/20/2001WO2001068999A1 Vibration excited sound absorber
09/20/2001US20010023326 Pressure-pulse therapy apparatus
09/20/2001DE10036435C1 Active noise suppression system, especially for motor vehicle, generates counter-phase sound signal depending on position and/or orientation of listener and detected noise
09/20/2001DE10011514A1 Mounting device for detachable ultrasonic head, includes coupling surrounded by gap with gap area formed at one side of coupling area such that negative pressure source is provided at gap area
09/19/2001EP1134126A2 Double walled baffle
09/19/2001EP1133604A1 Plate-shaped component
09/19/2001EP1133454A1 A fibrous sound absorbing mass able to be biologically degraded
09/19/2001EP0946939B1 Absorber to absorb acoustic sound waves and method for its production
09/19/2001EP0909223B1 Ultrasonic transducer with contact member
09/18/2001US6292433 Multi-dimensional beamforming device
09/18/2001US6292432 Information generating apparatus using elastic waves
09/18/2001US6290140 Energy management system and method
09/18/2001US6290022 Sound absorber for sound waves
09/13/2001WO2001067805A2 Automatic turn-on and turn-off control for battery-powered headsets
09/13/2001WO2001067434A1 Active noise reduction system
09/13/2001WO2001067433A1 A method of improving the audibility of sound from a loudspeaker located close to an ear
09/13/2001US20010021807 Ultrasonic probe
09/13/2001US20010021259 Personal sound masking system
09/13/2001US20010021258 Device and method for the reduction of sound emissions in and diagnosis of internal combustion engines