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)
09/1998
09/02/1998EP0861764A1 Information generator using elastic wave
09/02/1998EP0861486A1 Method and device for recovering a wanted acoustic signal from a composite acoustic signal including interference components
09/02/1998EP0555266B1 Active vibration control system
09/02/1998CN2290101Y Acanthopore plate soundproofing structure noise control device
09/02/1998CN1191970A Method and apparatus for providing dynamically variable time delays for ultrasound beamformer
09/01/1998US5802196 Speaker for radiating sound waves in all directions relative to a speaker supporting surface
09/01/1998US5802184 Active noise and vibration control system
09/01/1998US5802013 Mobile sensor for ground penetrating sonar
09/01/1998US5800365 Microsecond tandem-pulse electrohydraulic shock wave generator with confocal reflectors
09/01/1998CA2096069C Vibration detection and reduction system and vibration sensors for use in micro-gravity environment
08/1998
08/27/1998WO1998037541A1 μA/4 ABSORBER WITH ADJUSTABLE BAND WIDTH
08/27/1998WO1998036944A1 Cavity sealing article and method
08/27/1998DE19706155A1 Noise dampening system for currents and body shell
08/27/1998CA2282317A1 Cavity sealing article and method
08/26/1998EP0860328A1 Shield for water and sound
08/26/1998EP0860004A1 Phased array ultrasound system and method for cardiac ablation
08/26/1998EP0515518B1 Repetitive sound or vibration phenomena cancellation arrangement with multiple sensors and actuators
08/26/1998CN1191621A Acoustic horn transducer with conic type diffuser having exponential profile in wood
08/25/1998US5798779 Ultrasonic printing apparatus and method in which the phases of the ultrasonic oscillators are controlled to prevent unwanted phase cancellations
08/25/1998US5798461 Methods and apparatus for ultrasound imaging using combined scan patterns
08/25/1998US5798453 For a vibration pickup
08/25/1998US5797852 Sleep apnea screening and/or detecting apparatus and method
08/25/1998US5797848 Ultrasonic transducer assembly with improved electrical interface
08/25/1998US5797847 Method and apparatus for complex bandpass filtering and decimation in ultrasound beamformer
08/20/1998WO1998036135A1 Sound-proof panel
08/20/1998WO1998035721A2 Ultrasound transmission apparatus and method of using same
08/20/1998DE19705510A1 Method of deadening sound in sheet metal parts of motor vehicle bodies
08/20/1998CA2251096A1 Ultrasound transmission apparatus and method of using same
08/19/1998EP0858844A2 Sonic head
08/19/1998EP0858652A1 Sound and vibration control windows
08/19/1998EP0858651A1 Active acoustic attenuation device for use in a duct, particularly for soundproofing a ventilation and/or air-conditioning network
08/19/1998EP0787340B1 Active device for attenuating the sound intensity
08/18/1998US5796850 Noise reduction circuit, noise reduction apparatus, and noise reduction method
08/18/1998US5796849 Active noise and vibration control system accounting for time varying plant, using residual signal to create probe signal
08/18/1998US5796504 Fiber-optic telemetry system and method for large arrays of sensors
08/18/1998US5796055 Sound absorbing article and method of making same
08/18/1998US5796006 In a thermal enclosure
08/18/1998US5795311 Apparatus for the treatment of biological tissue and corporal concretions
08/17/1998CA2197721A1 Jet noise silencer
08/13/1998WO1998035529A2 Elastomeric dielectric polymer film sonic actuator
08/13/1998WO1998035165A1 Motors, and bearings therefor
08/11/1998US5793705 Ultrasonic liquid level gauge for tanks subject to movement and vibration
08/11/1998US5793701 Method and apparatus for coherent image formation
08/11/1998US5793003 Advanced sound reduction tape
08/11/1998US5793001 For transducing acoustic or electromagnetic radiant energy
08/11/1998US5792999 Noise attenuating in ported enclosure
08/11/1998US5792058 Broadband phased array transducer with wide bandwidth, high sensitivity and reduced cross-talk and method for manufacture thereof
08/11/1998US5791869 Noise killing system of fans
08/11/1998CA2145281C An improved method for reverberation suppression
08/11/1998CA2140152C Adaptive canceller filter module
08/11/1998CA2112368C Noise control device
08/06/1998WO1998034294A2 Multi-dimensional beamforming device
08/06/1998WO1998033428A2 Ultrasonic transducer assembly with improved electrical interface
08/06/1998DE19714422C1 Acoustic sensor arrangement for mobile platforms, e.g. land, air and watercraft esp. military
08/06/1998DE19702238A1 Verwendung von Aerogelen zur Körper- und/oder Trittschalldämmung Use of aerogels for body and / or sound insulation
08/06/1998CA2279291A1 Multi-dimensional beamforming device
08/05/1998EP0856834A2 Noise canceler
08/05/1998EP0856831A2 Focusing delay calculation method for real-time digital focusing and apparatus adopting the same
08/05/1998EP0786051A4 Ducted axial fan
08/05/1998CN1189663A Concrete loudspeaker box
08/04/1998US5790673 Active acoustical controlled enclosure
08/04/1998US5789844 Acoustic transducer
08/04/1998US5789678 Method for reducing noise and/or vibration from multiple rotating machines
08/04/1998US5788496 Method and apparatus for treating teeth
08/04/1998CA2118210C Adaptive resonator vibration control system
07/1998
07/30/1998WO1998033170A1 Acoustically insulated apparatus
07/30/1998WO1998032708A1 Use of aerogels for deadening structure-borne and/or impact sounds
07/29/1998EP0855846A2 Noise attenuating
07/29/1998EP0855079A1 Self-focusing method for synthetic antenna sonars
07/29/1998EP0781445B1 Layered sound absorber for absorbing acoustic sound waves
07/28/1998US5787049 Acoustic wave imaging apparatus and method
07/28/1998US5785094 Three-dimensional woven fabric structural material
07/23/1998DE19653085A1 Ultrasonic medical transducer array with conductive connections to board
07/22/1998EP0795168B1 Broadband noise and vibration reduction
07/22/1998CN1188401A Ultrasonic biometric imaging and identity verification system
07/22/1998CN1188177A Sound absorbing article and method of making same
07/21/1998US5784670 Noise masking system and method in image forming apparatus
07/21/1998US5784336 Delay scheme and apparatus for focussing the transmission and reception of a summed ultrasonic beam
07/21/1998US5783780 Sound absorption structure
07/21/1998US5782769 Ultrasonic diagnostic image flash suppression technique
07/21/1998US5782082 Aircraft engine acoustic liner
07/16/1998WO1998030831A1 Noise abatement kit
07/16/1998WO1998030417A1 Acoustical barrier with decoupler
07/15/1998EP0852999A2 Sound absorbing article and method of making same
07/15/1998EP0852793A1 Hybrid active vibration control method and device, particularly for mechanical and acoustic vibration and the like
07/15/1998EP0852792A1 Active noise control system for closed spaces such as aircraft cabins
07/15/1998EP0703741B1 Vibration isolation platform
07/14/1998US5781640 System for suppressing the undesirable effects of a noise source
07/14/1998US5781007 Portable three axis scanner to inspect a gas turbine engine spool by eddy current or ultrasonic inspection
07/14/1998US5780785 Acoustic absorption device and an assembly of such devices
07/14/1998US5779644 Ultrasound catheter probe
07/14/1998CA2133475C Ultrasound catheter
07/14/1998CA2082890C Multi-channel active attenuation system with error signal inputs
07/14/1998CA2076390C Noise reducing system
07/09/1998WO1998029926A1 Method and device for directing a fluid in motion
07/09/1998DE4143557C2 Ultrasound presence detector system
07/09/1998DE19652871A1 Sound screen or noise barrier for noisy machinery, streets, railway, etc.
07/08/1998EP0852050A1 Method for damping vibration and the pressure wave from a material
07/08/1998EP0792568A4 Noise cancellation apparatus
07/07/1998US5778081 Active noise control using phased-array active resonators