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)
07/2003
07/17/2003US20030132056 Manifold for a horn loudspeaker and method
07/17/2003DE20307552U1 Sound insulating structure comprises a sound absorption layer which damps body borne sound and a further layer which absorbs airborne sound
07/17/2003DE20306827U1 Loudspeaker funnel e.g. for railway vehicle, has grid at its funnel opening and openings in the funnel wall near the edge of the funnel
07/16/2003EP1327417A2 Ultrasound catheter
07/16/2003CN1430863A Acoustic transmission connection, headset with acoustic transmission connection, and uses of acoustic transmission connection
07/16/2003CN1430538A Ultrasonic irradiation apparatus
07/15/2003US6594367 Super directional beamforming design and implementation
07/15/2003US6594365 Acoustic system identification using acoustic masking
07/15/2003US6592711 Device for processing a web material using ultrasound
07/15/2003US6592524 Transmit beamformer delay architecture and method for diagnostic medical ultrasound
07/10/2003WO2003015461A3 Ultrasonic amplifier or horn and method of manufacture
07/10/2003US20030128868 Focus control method for Delta-Sigma based image formation
07/09/2003EP1040365B1 Ultrasound sensor
07/09/2003EP0998432B1 Mineral wool composition
07/09/2003CN1428206A Ultrasonic transducer chip with variable acoustic impedance
07/08/2003US6590985 Method and arrangement for damping wall movement
07/08/2003US6589643 Energy conversion fiber and sound reducing material
07/08/2003US6589174 Technique and apparatus for ultrasound therapy
07/08/2003US6588278 Ultrasonic inspection device and ultrasonic probe
07/03/2003WO2003054315A1 Sound attenuating composite articles incorporating scrim material and methods of making same
07/03/2003WO2003012778A3 Method and system for active reduction of sound emissions from drive mechanisms
07/03/2003US20030124940 Tunable or adjustable liner for selectively absorbing sound energy and related methods
07/03/2003US20030123675 Hard disk drive with self-contained active acoustic noise reduction
07/02/2003EP1323523A2 Sound absorbing antidrum covering for sheet metal
07/02/2003EP1322844A2 Assembly and method for fan noise reduction from turbofan engines using dynamically adaptive herschel-quincke tubes
07/02/2003CN1427988A Active nose reduction system
07/01/2003US6586111 Corrugated multilayer metal foil insulation panels and methods of making
07/01/2003US6586072 Acoustically effective insulating lining for motor vehicles
07/01/2003US6585648 System, method and machine readable program for performing ultrasonic fat beam transmission and multiline receive imaging
07/01/2003US6585077 Sound-producing device with acoustic waveguide
06/2003
06/26/2003WO2003052736A1 Apparatus for focussing ultrasonic acoustical energy within a liquid stream
06/26/2003WO2003051532A1 Rotary ultrasonic bonder or processor capable of high speed intermittent processing
06/26/2003WO2003051530A1 Micromachined ultrasound transducer and method for fabricating same
06/26/2003WO2003051179A2 Method and apparatus for treatment of mono-frequency tinnitus
06/26/2003US20030117897 Torpedo sonar comprising a plurality of acoustic transducers
06/26/2003US20030116379 Sound attenuating composite articles incorporating scrim material and methods of making same
06/26/2003CA2470062A1 Method and apparatus for treatment of mono-frequency tinnitus
06/25/2003EP1320340A1 Intra-auricular otoplastic
06/25/2003CN1426576A Sound absorptive material
06/24/2003US6582392 Ultrasound assembly for use with a catheter
06/24/2003US6582369 Method for dynamic focus control
06/24/2003US6581722 Acoustic absorber and sound-absorption method
06/24/2003US6581719 Wave shaping sound chamber
06/19/2003WO2003050361A1 Multi-density sound attenuating laminates and methods of making same
06/19/2003WO2003049944A1 Process of getting absorber/insulator acoustic blanket for automotive vehicles
06/19/2003WO2003049618A1 Ultrasonograph
06/19/2003US20030114760 Micromachined ultrasound transducer and method for fabricating same
06/19/2003US20030114728 Method and apparatus for treatment of mono-frequency tinnitus
06/19/2003US20030112981 Active noise control with on-line-filtered C modeling
06/19/2003US20030112980 Digital filter modeling for active noise cancellation
06/18/2003EP1319225A1 Apparatus for acoustically improving an environment
06/18/2003EP1319156A1 Sound absorbent
06/18/2003EP1319124A1 Environmentally robust noise attenuation system for air induction systems
06/18/2003EP1319109A1 Sound attenuator
06/18/2003CN1111506C Apparatus and method for fastening insulating layer to sheet material
06/12/2003WO2003047851A1 Underbody sound damping structure for motor vehicles
06/12/2003US20030109621 Resin composition for vibration-damping material, vibration-damping material, and sound-insulating member
06/12/2003US20030108211 Vehicle having a sound-radiating element
06/12/2003US20030107478 Architectural sound enhancement system
06/12/2003US20030106741 Multi-density sound attenuating laminates and methods of making same
06/11/2003EP1318504A2 Architectural sound enhancement system
06/11/2003CN1422592A Sound filter
06/10/2003US6576333 Composite materials with negative elastic constants
06/10/2003US6576332 Three-layer structure of flexible skin layer/ flexible foamed material layer/hard substrate layer; cushioning, sound absorption, heat insulation
06/10/2003US6576028 Noise abatement device and separation aid for use in fluid flow systems
06/10/2003US6575908 Balance body ultrasound system
06/06/2003CA2412800A1 Architectural sound enhancement system
06/05/2003WO2003047306A2 Radial power megasonic transducer
06/05/2003WO2003047150A2 Signature loop authorizing method and apparatus
06/05/2003WO2003045683A1 Sound attenuating/absorbing laminates and methods of making same
06/05/2003WO2003045637A1 Pneumatic power tool with exhaust air outlet deflector
06/05/2003WO2003045586A1 Ultrasonic transducer and method of joining an ultrasonic transducer
06/05/2003WO2003045585A2 Ultrasound transducer for application in extreme climatic conditions
06/05/2003US20030104749 Sound absorbing material
06/05/2003US20030103636 Vehicle-mounted stereophonic sound field reproducer/silencer
06/05/2003US20030103635 Active noise reduction
06/05/2003US20030101820 Acoustic microscope
06/04/2003EP1316943A2 An acoustic filter
06/04/2003EP1242990B1 Fan and compressor noise attenuation
06/04/2003CN1422318A Resin composition for vibration-damping material, vibration-damping material, and sound-insulating member
06/04/2003CN1421845A Sound-isolating noise reduction material
06/04/2003CN1110695C 压力套筒 Pressure sleeve
06/03/2003US6572723 Process for forming a multilayer, multidensity composite insulator
06/03/2003US6572552 Ultrasonic diagnostic apparatus
06/03/2003US6572548 Method and apparatus for ultrasound imaging, particularly for three-dimensional imaging
06/03/2003US6572178 Dashboard support with vibration-damping feature
06/03/2003US6571907 Portable acoustic hearing enhancement device
05/2003
05/30/2003WO2003044834A2 Sonic transducers bonded with polymers and methods of making same for efficient sonic energy transfer
05/30/2003WO2003044770A1 Macrosonic emitter with vibrating plate comprising internodal zone separators and reflectors which can be used to obtain directional radiation in fluids
05/30/2003WO2003044422A1 Transmitting-receiving unit and sensor device
05/30/2003WO2003044295A1 System and method for reducing sound transmission
05/29/2003US20030098364 Apparatus for controllably focusing ultrasonic acoustical energy within a liquid stream
05/29/2003US20030098200 Acoustical absorptive splitter
05/29/2003US20030098199 Acoustic filter
05/28/2003EP1315145A1 Housing for an ultrasonic transducer
05/28/2003EP1315144A2 Ultrasonic transducer and flowmeter
05/28/2003EP1314336A2 Electromechanic transducer, especially for mounting in the intake pipe of an internal combustion engine
05/28/2003EP0931308B1 Method and apparatus for simulating a jam session and instructing a user in how to play the drums
05/28/2003EP0929890B1 Compact horn speaker
05/28/2003CN1420261A System and method for suppressing pressure wave using correction signal