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)
07/1999
07/29/1999CA2284793A1 Efficient multi-directional active vibration absorber assembly
07/28/1999EP0932140A1 Muffling wall
07/28/1999EP0931971A1 Sound proofing and insulating material, process for its production and articles using said material
07/28/1999EP0931309A1 Device for absorbing and/or damping sound waves
07/28/1999EP0931308A1 Method and apparatus for simulating a jam session and instructing a user in how to play the drums
07/28/1999EP0815382B1 Soundproofing
07/28/1999EP0750777B1 Foil sound absorber
07/27/1999US5930557 Noise masking system and method in image forming apparatus
07/27/1999US5930371 Tunable acoustic system
07/27/1999US5930201 Acoustic vector sensing sonar system
07/27/1999US5929394 Sound enclosure
07/27/1999US5929349 Inspection tool for measuring wall thickness of underground storage tanks
07/27/1999US5929315 For constructing a calibration curve correlating crack depth percentage
07/27/1999US5928169 Apparatus for treating a subject with focused ultrasound waves
07/27/1999US5928152 Method and apparatus for a baseband processor of a receive beamformer system
07/27/1999CA2159589C Frequency domain adaptive control system
07/22/1999WO1999035969A1 Echography probe and accessories
07/21/1999EP0929890A2 Compact horn speaker
07/21/1999EP0929825A1 Two-dimensional array transducer and beamformer
07/21/1999EP0929499A1 System and method for fastening insulating layer to sheet material
07/21/1999CN1223738A Nonlinear reduced-phase filiters for active noise control
07/20/1999US5926405 Multidimensional adaptive system
07/20/1999US5925966 Method for protecting ultrasonic transducers from deterioration
07/20/1999US5924993 Intravascular ultrasound mixed signal multiplexer/pre-amplifier asic
07/20/1999US5924986 Method and system for coherent ultrasound imaging of induced, distributed source, bulk acoustic emissions
07/15/1999WO1999035636A1 Decorative speaker cover
07/15/1999WO1999035351A1 Acoustical diffuser assembly and method of installation
07/15/1999WO1999035007A1 Ultralight, sound and shock absorbing component set
07/14/1999EP0928480A1 Active control of acoustic output in gradient coils
07/14/1999CN1222994A Noise suppressor circuit and associated method for suppressing periodic interference component portions of communication signal
07/14/1999CN1222842A Ultrasound transmission apparatus and method of using same
07/13/1999US5923617 Sonar system for detecting a target
07/13/1999US5923002 For diffusing sound in a predetermined manner
07/13/1999US5922980 Sound muffling device for cymbal practice
07/13/1999US5922962 Sparse two-dimensional transducer array with compound lens
07/13/1999US5922170 Hollow vibrational horn
07/13/1999US5921932 Method and apparatus for a baseband processor of a receive beamformer system
07/13/1999US5921457 Ultrasonic welder including anvil with angled sidewalls
07/08/1999WO1999034233A1 Digital ultrasound beamformer
07/08/1999WO1999033400A1 Method and apparatus for delaying ultrasound signals
07/07/1999EP0927987A2 Sound transducer system
07/06/1999US5920524 Hydrophone arrangement and bunker for housing same
07/06/1999US5920521 Ultrasound area surveillance system
07/06/1999US5920020 Resonance box
07/06/1999US5919138 Ultrasound imaging system user interface
07/06/1999US5919029 Noise absorption system having active acoustic liner
07/06/1999CA2157314C Three dimensional ultrasonic scanning devices and techniques
07/01/1999WO1999032858A1 Ultrasonic liquid gauging system
07/01/1999WO1999032538A1 Process for producing an absorber material
07/01/1999WO1999032356A1 Active noise control system for a helicopter gearbox mount
07/01/1999CA2316243A1 Active noise control system for a helicopter gearbox mount
06/1999
06/30/1999EP0926657A1 Method and apparatus for acoustic detection of a signal with a low signal-to-noise ratio, in the presence of a noise source
06/30/1999EP0926656A1 Sound-insulating structure with body containing absorbant porous material
06/30/1999EP0925577A1 Light weight, high performance vibration-damping system
06/29/1999US5917919 Method and apparatus for multi-channel active control of noise or vibration or of multi-channel separation of a signal from a noisy environment
06/29/1999US5916169 Phased array transducer design and method for manufacture thereof
06/24/1999WO1999031526A1 Ultrasound sensor
06/24/1999WO1999005486A3 Vibration monitoring system
06/24/1999DE19756620A1 Preparation of absorber material
06/24/1999DE19755751A1 Vehicle interior noise level suppression
06/24/1999DE19754840A1 Motor air intake silencer
06/23/1999EP0923774A1 Cone reflector/coupler speaker system and method
06/23/1999CN1220755A Protective cover assembly having sound transmission characteristics
06/23/1999CN1043807C Vibration damping system for vehicle
06/22/1999US5913829 Sensing device for acoustic energy
06/22/1999US5913825 Ultrasonic probe and ultrasonic survey instrument
06/17/1999WO1999029979A1 Sound absorber
06/17/1999DE19816456C1 Ultrasound sensor used in automobile
06/17/1999DE19755729A1 Ultraschallsensor Ultrasonic sensor
06/17/1999DE19754355A1 Sound insulation for structurally transmitted noises originating from bathtub
06/16/1999EP0922277A1 Sound absorbent component with acoustic resonators
06/16/1999EP0922129A1 Asphalt-containing organic fibers
06/16/1999EP0921757A1 Ultrasonic array with attenuating electrical interconnects
06/16/1999EP0858651B1 Active acoustic attenuation device for use in a duct, particularly for soundproofing a ventilation and/or air-conditioning network
06/16/1999EP0592693B1 Noise control device
06/15/1999US5913243 Ultrasonic transducer for nondestructive testing of generator field coils of dynamoelectric machines
06/15/1999US5912821 Vibration/noise control system including adaptive digital filters for simulating dynamic characteristics of a vibration/noise source having a rotating member
06/15/1999US5912442 Structure having low acoustically-induced vibration response
06/15/1999CA2142012C Active force cancellation system
06/08/1999US5911159 Energy efficient using comparatively small quantities of resin; acoustic waves to measure chemical and physical changes
06/08/1999US5910993 Apparatus and method for actively reducing vibration and/or noise
06/03/1999WO1999027636A1 Acoustic resonator power delivery
06/03/1999WO1999027520A1 Active soundproofing method and device
06/03/1999WO1999027237A1 Silencer with a shunt resonator
06/03/1999WO1999010877A3 Active noise control system for a defined volume
06/03/1999CA2311637A1 Acoustic resonator power delivery
06/02/1999EP0919987A2 Ultrasonic probe assembly with comb-shaped array
06/02/1999DE19852991A1 Reduction of body noise of road vehicle bodywork
06/02/1999DE19752921A1 Ultrasonic sensor for distance measurement onboard automobile
06/02/1999DE19751596A1 Active noise damper for automobile exhaust
06/01/1999US5909408 Towed acoustic transmitter
05/1999
05/27/1999DE19853629A1 System for ultrasonic diagnosis with B mode indication transmitting waves
05/26/1999EP0918153A1 Method and apparatus for minimizing thermo-acoustic vibrations in gas turbine combustion chambers
05/26/1999EP0917706A1 ACTIVE STRUCTURAL CONTROL SYSTEM AND METHOD INCLUDING ACTIVE VIBRATION ABSORBERS (AVAs)
05/26/1999EP0647372B1 Control system using harmonic filters
05/26/1999CN1217635A Energy conversion composition
05/26/1999CA2250534A1 Ultrasonic comb probe array assembly
05/25/1999US5907624 Noise canceler capable of switching noise canceling characteristics
05/25/1999US5907521 Ultrasonic range finder using ultrasonic sensor
05/25/1999CA2163213C Ultrasonic apparatus and method for intravascular imaging