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)
08/2003
08/28/2003US20030161483 Audible signaling device with determinate directional radiation
08/28/2003US20030160522 Method of mounting elastic wave generator
08/27/2003EP1337998A1 Ultrasonic transducer and ultrasonic flowmeter
08/27/2003CN2568720Y Composite sound absorbing member of concrete pressure slab
08/27/2003CN2568412Y Thin film multi-layer composite damping material of nickel-titanium memory alloy and piezoelectric ceramics
08/26/2003US6610019 Method and apparatus for treatment of monofrequency tinnitus utilizing sound wave cancellation techniques
08/26/2003US6609592 Noise attenuation panel
08/21/2003WO2003069596A1 Soundproofing assembly and a part comprising a wall which is covered with said assembly
08/21/2003WO2003069595A1 Sound absorbing material including a plurality of pieces with pores
08/21/2003WO2003069594A2 Surface acoustic antenna for submarines
08/21/2003WO2003068563A2 Soundproofing method, a soundproofing part and the corresponding assembly
08/21/2003WO2003068072A1 Ultrasonograph
08/21/2003US20030158482 Portable 3D ultrasound system
08/21/2003CA2475692A1 Surface acoustic antenna for submarines
08/20/2003EP1336695A1 Slab-shaped sound-insulating element
08/20/2003EP1335669A2 Ultrasound transducer unit and planar ultrasound lens
08/20/2003CN1437701A A mechano-electrical sensor for sensing force or vibration
08/20/2003CN1437456A Two-Way Mechano-electrical transducer
08/20/2003CN1118794C Composite material with negative elastic constant and its making process
08/20/2003CN1118793C Radiating device
08/20/2003CN1118643C Shock absorbing component and producing method thereof
08/19/2003US6608904 Method and apparatus for canceling interference in a loudspeaker communication path through adaptive discrimination
08/19/2003US6608566 Real-time data acquisition system
08/19/2003US6607625 Process for the production of an acoustively resistive layer, resistive layer thus obtained, and wall using such layer
08/19/2003US6607491 Ultrasonic probe
08/19/2003US6607489 Focus correction for ultrasound imaging through mammography compression plate
08/14/2003WO2003065788A2 Scanning acoustic microscopy
08/14/2003WO2003044834A3 Sonic transducers bonded with polymers and methods of making same for efficient sonic energy transfer
08/14/2003US20030153833 Ultrasound catheter with utility lumen
08/14/2003US20030152245 Chair equipped with a speaker
08/14/2003US20030152239 Resonator
08/14/2003US20030152238 Method and apparatus for active noise control in an air induction system
08/13/2003EP1335124A1 Air filter for a combustion engine
08/13/2003EP1333973A1 Expansible synthetic resin baffle with magnetic attachment
08/13/2003EP0951406B1 Acoustical barrier with decoupler
08/13/2003EP0669781B1 Speaker system
08/13/2003CN1436157A Insulating product in particular thermal and method for making same
08/13/2003CN1118047C Memory-helping carphone with intensified speech
08/12/2003US6604604 Catalytic muffler and method
08/07/2003WO2003065347A1 Method and apparatus for focussing ultrasonic energy
08/07/2003WO2003065346A1 Optical signal transmission between a hearing protector muff and an ear-plug receiver
08/07/2003WO2003065345A2 Sealing and sound-proofing panel for a motor vehicle
08/07/2003WO2003065070A1 3d ultrasound imaging apparatus and method using coherent aperture combining beamforming
08/07/2003WO2003064982A1 Sound/vibration resonance separating device
08/07/2003WO2003064981A1 Acoustic matching layer, ultrasonic transmitter/receiver, and ultrasonic flowmeter
08/07/2003WO2003064980A1 Acoustic matching layer, ultrasonic transmitter/receiver, their manufacturing methods, and ultrasonic flowmeter
08/07/2003WO2003064979A1 Ultrasonic transmitter-receiver and ultrasonic flowmeter
08/07/2003WO2003013183A8 Improvements in acoustic enclosures
08/07/2003US20030149553 Characterizing, synthesizing, and/or canceling out acoustic signals from sound sources
08/07/2003US20030149362 Ultrasonic imaging apparatus and method
08/07/2003US20030147173 Noise reduction system, disk storage unit, hard disk drive and noise reduction method
08/07/2003CA2514828A1 3d ultrasound imaging apparatus and method using coherent aperture combining beamforming
08/06/2003EP1332343A1 A loading probe for testing an acoustic transducer
08/06/2003EP1332339A2 Coupling element for an ultrasonic flowmeter
08/06/2003EP1075777B1 Transducer backing material and method of application
08/05/2003US6603241 Acoustic mirror materials for acoustic devices
08/05/2003US6601673 Porous structure with communicating voids; film with through holes laminated to surface
08/05/2003US6601672 Double layer acoustic liner and a fluid pressurizing device and method utilizing same
08/05/2003CA2273444C Ultrasonic examination of coated parts
08/05/2003CA2251395C Moulded transducer
07/2003
07/31/2003WO2003063131A1 Resonance device and surround system
07/31/2003WO2003062637A1 Rotor blade for a wind power installation with a damping device
07/31/2003WO2003047150A3 Signature loop authorizing method and apparatus
07/31/2003WO2003009276A3 Sonar beamforming system
07/31/2003US20030142841 Optical signal transmission between a hearing protector muff and an ear-plug receiver
07/31/2003US20030141144 Noise attenuation panel
07/30/2003EP1331471A2 Sensor assembly with a waveguide and a return conductor
07/30/2003EP1330815A2 Method and apparatus for dynamic focusing of ultrasound energy
07/30/2003EP1330814A1 Preventing oscillations in flow systems
07/30/2003EP0852050B1 Method for damping vibration and the pressure wave from a material
07/30/2003CN1432729A Sound shielding product
07/29/2003US6600408 Sound transmission device for a motor vehicle
07/29/2003US6599249 Intraoperative ultrasound probe with an integrated acoustic standoff
07/29/2003US6599245 Ultrasound transmission method and system for simulating a transmit apodization
07/29/2003US6598701 Shaped microperforated polymeric film sound absorbers and methods of manufacturing the same
07/29/2003US6598358 Use of aerogels for deadening structure-borne and/or impact sounds
07/24/2003WO2003060875A1 Floor laying material, piece mat, and arranging structure thereof
07/24/2003WO2003060343A1 Spring system, supporting structure, vibration system, and rotation system comprising it
07/24/2003WO2003060238A1 Soundproofing, restraining system
07/24/2003US20030138121 Ultrasonic converter unit having electrodes made of electrically-conductive plastic
07/24/2003US20030136606 Acoustic shielding article
07/24/2003CA2473174A1 Floor laying material, piece mat, and arranging structure thereof
07/23/2003EP1329876A2 Resonator for damping sound in a sound conducting tube
07/23/2003EP1329875A2 Ultrasound transducer with electrically conducting plastic electrodes
07/23/2003EP1329613A1 Acoustic baffle
07/23/2003EP0963681A4 Directed acoustic stick radiator
07/23/2003CN2561841Y Composite cement wooden scraps acoustic absorbing boards
07/23/2003CN1115661C Supersonic Sensor and its mfg. method
07/23/2003CN1115469C Method and device for controlling noise of exhaust gas
07/22/2003US6597792 Headset noise reducing
07/22/2003US6595321 Floor mats having peripheral apertures with acoustic absorbing material
07/22/2003US6595320 Apparatus for controlling exhaust gas in internal combustion engine
07/22/2003CA2206090C Clad ultrasonic waveguides with reduced trailing echoes
07/18/2003CA2416585A1 Acoustic shielding article
07/17/2003WO2003058600A2 Tunable or adjustable liner for selectively absorbing sound energy and related methods
07/17/2003WO2003057465A1 Sound absorbing article
07/17/2003US20030135135 Ultrasonic irradiation apparatus
07/17/2003US20030134556 Thermo formable acoustical panel
07/17/2003US20030134553 Sound absorbing article
07/17/2003US20030132057 Damping foil consisting of several layers and a method for producing same