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)
04/2000
04/04/2000US6045921 A suitable barrier against water, sound, dust and air comprises a mixture of an inorganically filled thermoplastic elastomer blended with a polyethylene or elastomeric polymer; use in vehicle door panels and building construction
04/04/2000CA2180065C Noise cancelling method and noise canceller
03/2000
03/30/2000WO1999063169A3 Multi-purpose, aluminum foam-based soundproof panel
03/29/2000EP0989542A1 Method and device for active noise cancellation in open telephone booths
03/29/2000EP0694234B1 Control system for periodic disturbances
03/28/2000US6043917 Passive electro-optical acoustic sensor
03/28/2000US6042547 Method and apparatus for receive beamformer system
03/28/2000US6042546 Element arranging structure for transducer array for forming three-dimensional images and ultrasonic three-dimensional imaging apparatus adopting the same
03/28/2000US6041656 Transducer for measuring acoustic emission events
03/28/2000CA2181805C Polyhedral directional transducer array
03/28/2000CA2148962C Coherence optimized active adaptive control system
03/23/2000WO2000016308A1 Improvements relating to beamformers
03/23/2000WO2000015427A1 Method of forming acoustic attenuation chambers using laser processing of multi-layered polymer films
03/23/2000DE19842804A1 Verfahren und Vorrichtung zur aktiven Geräuschminderung in offenen Telefonzellen Method and device for active noise reduction in open cell phone
03/23/2000DE19841975A1 Sound-absorbing plate consisting of flat adjacent resonance absorber elements, especially for use as noise-absorbing roof lining in cars has absorption maximum of resonance absorber
03/23/2000DE19839973A1 Plattenförmiges Bauelement Panel-like structural
03/23/2000DE19836229C1 Anordnung zur Wärmeableitung, insbesondere für Ultraschallwandler mit hoher Leistung Arrangement for heat discharge, particularly for ultrasonic transducers with high performance
03/22/2000EP0729532B1 Acoustic insulating panels or elements
03/22/2000EP0655151B1 Multiple interacting dve algorithm
03/21/2000US6041126 Noise cancellation system
03/21/2000US6041125 Active acoustic wall
03/21/2000US6039695 Probe coupler for ultrasound examination system
03/21/2000US6039367 Overpaintable bumper with ultrasound transducer
03/21/2000US6038925 Focal type electromagnetic acoustic transducer and flaw detection system and method
03/21/2000US6038752 Method for manufacturing an ultrasonic transducer incorporating an array of slotted transducer elements
03/18/2000CA2282259A1 Megaphone cup
03/16/2000WO2000014999A1 Acoustical speaker housing and methods of installation
03/16/2000WO2000014996A1 Diffuser panel with built-in speaker arrangement and methods of installation
03/16/2000WO2000014722A1 Adjustable quiet seat
03/16/2000WO2000014353A1 Plate-shaped component
03/16/2000WO1999057526A3 Ultrasonic transducer
03/16/2000DE19842173A1 Screw with self-ridging screw connection, for use as coupling device between machine casing and accelerometer; has nonpositively acting surface area to form primary connection and only has positively acting surface with secondary action
03/16/2000CA2343157A1 Adjustable quiet seat
03/16/2000CA2340390A1 Diffuser panel with built-in speaker arrangement and methods of installation
03/16/2000CA2340249A1 Acoustical speaker housing and methods of installation
03/15/2000EP0985935A2 Method for realizing transmit focusing by synthesizing pulse patterned plane waves having same imaging point
03/15/2000EP0985381A2 Method and apparatus for measuring the speed of sound in tisssue
03/15/2000EP0921757A4 Ultrasonic array with attenuating electrical interconnects
03/15/2000EP0833973B1 Method of attenuating sound, and acoustical insulation therefor
03/14/2000US6037284 Inorganic oxide fibers for thermal and acoustic insulation of buildings, including alkaline oxides, maintaining good mechanical resistance when exposing to heat
03/14/2000US6036648 Machine tilt transducer and methods of making
03/14/2000US6035965 Sound absorbing body, sound absorbing board, and sound absorbing unit
03/09/2000WO2000013169A2 Composite fairing with integral damping and internal helmholz resonators
03/08/2000EP0984662A2 Waveguide electroacoustical transducing
03/08/2000EP0983585A1 Method for predicting and optimizing the acoustical properties of homogeneous porous material
03/08/2000EP0746290A4 Improved method and system for on-line system identification
03/08/2000CN2368127Y Device for conducting sound to foetus
03/08/2000CN1246914A Motors, and bearings therefor
03/07/2000US6033756 Apparatus for and method of attenuating acoustic energy
03/02/2000WO2000011909A1 Resonating diaphragms with different frequencies
03/02/2000DE19838584A1 Einrichtung zur beschädigungsgeschützten Anordnung eines Sensiermittels an einem Fahrzeug Means for damage-proof arrangement of a sensing means on a vehicle
03/02/2000CA2341590A1 Resonating diaphragms with different frequencies
03/01/2000EP0982196A1 Device for the damage-proof arrangement of a sensing means on a vehicle
03/01/2000EP0981764A1 Multifrequency ultrasound probe
02/2000
02/29/2000US6031917 Active noise control using blocked mode approach
02/29/2000US6031790 Information generator using elastic wave
02/29/2000US6029962 Shock absorbing component and construction method
02/24/2000WO2000010362A1 Audio device and headphone
02/23/2000EP0980573A1 Ultrasonic measuring instrument
02/23/2000EP0980572A1 Method for selectively controlling sound radiation
02/23/2000EP0694197B1 Improved audio reproduction system
02/23/2000CN2365516Y Decorative lamp box with sound-absorbing function
02/22/2000US6029116 Method and apparatus for a baseband processor of a receive beamformer system
02/22/2000US6027448 Ultrasonic transducer and method for harmonic imaging
02/22/2000CA2149359C Multi-filter-set active adaptive control system
02/17/2000WO2000008630A1 Heat dissipating device, especially for high performance ultrasonic transducers
02/17/2000WO2000008240A2 Method and device for obtaining vegetal fibre material and the use thereof
02/17/2000WO1999053565A8 System for canceling interferers from broadband active sonar signals using adaptive beamforming methods
02/17/2000WO1998058519A3 Ultrasonic transducer for high transduction in gases and method for non-contact ultrasound transmission into solid materials
02/17/2000DE19838766C1 Shaped sound insulating element with metal carrier element and thermoplastic airborne sound absorber element for covering machinery radiating sound, coated with adhesion agent only in weld zones between carrier and sound absorber elements
02/17/2000DE19835771A1 Verfahren und Vorrichtung zur Gewinnung eines als Rohstoff zu Isolierzwecken oder zur Vliesherstellung oder als Füll- oder Polsterstoff geeigneten Fasermaterials und Verwendung des Fasermaterials Method and apparatus for obtaining a suitable as a raw material for insulation purposes or for the production of nonwovens or as a filling or cushion material fiber material and use of the fiber material
02/17/2000CA2339842A1 Method and device for obtaining vegetal fibre material and the use thereof
02/16/2000EP0980062A2 Ultrasonic transducer with protective cap
02/16/2000CN1245005A Directed acoustic stick radiator
02/15/2000US6024190 Acoustical barrier with ribbed decoupler
02/15/2000US6023830 Apparatus and method for installing a noise reduction structure within a vehicle driveshaft tube
02/15/2000CA2170025C Active control system for noise shaping
02/10/2000WO2000006847A1 Heat-insulating and soundproofing wall unit under vacuum
02/10/2000WO2000006065A1 First draft-active noise reduction audiometry headphones
02/10/2000DE19834379A1 Wandelement Wall element
02/09/2000EP0978822A2 A multi-dimensional transducer array apparatus
02/09/2000EP0978118A1 Acoustic apparatus and method
02/08/2000US6023123 Acoustic vibration generator
02/08/2000US6021612 Sound absorptive hollow core structural panel
02/03/2000WO2000005707A1 Microperforated polymeric film for sound absorption and sound absorber using same
02/03/2000WO2000005489A1 Device and method for reducing the noise emissions of internal combustion engines and for diagnosing the same
02/03/2000DE19934260A1 Noise protection arrangement for microphone, esp. for wind noise protection
02/03/2000DE19833213A1 Ultrasound transmitter arrangement, for therapy or diagnosis
02/02/2000EP0976883A1 Sound absorbing honeycomb structure and method of production
02/02/2000EP0975293A1 Noise cancellation earpiece
02/02/2000EP0767949B1 Process and device for generating spherical waves in the ultrasound range
02/02/2000CN1243481A Acoustical barrier with decoupler
02/02/2000CN1242978A Supersonic array transducer receiver for handheld supersonic diagnosis instrument
02/01/2000CA2160672C Single and multiple channel block adaptive methods and apparatus for active sound and vibration control
01/2000
01/27/2000DE19832517A1 System controlling active noise attenuation in duct or pipeline through which flows medium, uses compensation loudspeaker in dependence on signal of reference microphone
01/26/2000EP0974945A2 Universal remote control system with device activated setup
01/26/2000EP0974815A1 Clamp-on ultrasonic sensor arrangement
01/26/2000EP0974814A1 Ultrasound transducer device
01/26/2000EP0973660A1 VEHICLE PART WITH $g(l)/4-ABSORBER
01/25/2000US6018689 Active vibration reducing apparatus and method for identifying transfer function in active vibration reducing apparatus