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)
05/1996
05/02/1996WO1996013029A1 Active device for attenuating the sound intensity
05/02/1996WO1996012951A1 Inspection of pipes
05/02/1996DE4438813A1 Sound insulating plate for construction use
05/02/1996DE4438645A1 Single phase unidirectional transformer using surface acoustic waves
05/02/1996DE19540099A1 Active noise reduction system for automobile
05/02/1996DE19538996A1 Estimation appts. to estimate coefficients of adaptive filter to emulate transmission characteristics of known signal
05/01/1996EP0709059A2 Apparatus for coupling acoustic waves with an acoustic waveguide
04/1996
04/30/1996US5513266 Integral active and passive silencer
04/30/1996US5513265 Multi-channel echo cancelling method and a device thereof
04/30/1996US5513149 Sound damping arrangement
04/30/1996US5512715 Sound absorber
04/30/1996US5511296 To enhance communication of acoustic waves
04/25/1996WO1996012269A1 Jet engine fan noise reduction system utilizing electro pneumatic transducers
04/24/1996EP0707898A2 Method of forming integral transducer and impedance matching layers
04/24/1996EP0707737A1 Active sound damper
04/24/1996EP0707453A1 Ultrasonic apparatus and method for intravascular imaging
04/23/1996US5511127 For reducing noise of a fan located in a housing
04/23/1996US5510582 Acoustic attenuator, well logging apparatus and method of well logging
04/23/1996US5509417 Method and apparatus for phased array coupling ultrasonic energy into an acoustic waveguide wire
04/23/1996US5509247 Vibration-damping inside roof construction
04/18/1996WO1996011466A1 Feedback acoustic energy dissipating device with compensator
04/18/1996WO1996011465A1 Active control of aircraft engine inlet noise using compact sound sources and distributed error sensors
04/18/1996WO1996011464A1 Sound absorption body, sound absorption plate and sound absorption unit
04/18/1996DE4436813A1 Determn. of ratio of gases present in mixt.
04/18/1996DE19509005C1 Acoustic pressure impulse generator
04/18/1996CA2200296A1 Active control of aircraft engine inlet noise using compact sound sources and distributed error sensors
04/17/1996EP0707307A1 Self-contained acoustic source for ocean tomography
04/17/1996EP0706596A1 Acoustic/shock wave attenuating assembly
04/17/1996EP0706417A1 Acoustic filter for separating and recycling suspended particles
04/17/1996EP0641262B1 Underwater acoustic antenna having a surface sensor
04/16/1996US5509079 Back-masking effect generator
04/16/1996US5508477 Apparatus for acoustic noise reduction of office automation devices utilizing Helmholtz resonance theory
04/14/1996CA2160435A1 Autonomous acoustic source for ocean tomography
04/11/1996WO1996010817A1 Ultrasound sensor
04/11/1996WO1996010780A1 Adaptive control system for controlling repetitive phenomena
04/11/1996DE4435575A1 Element for acoustic protection with two sheet=metal plates
04/11/1996DE19536562A1 Sound absorbing component for building cladding
04/10/1996EP0705472A1 Variable gain active noise cancellation system with improved residual noise sensing
04/10/1996EP0705471A1 Reduced vlf overload susceptibility active noise cancellation headset
04/09/1996US5506812 Toroidal volume search sonar
04/09/1996US5505205 Interface element for medical ultrasound transducer
04/09/1996US5505203 Method and apparatus for automatic transducer selection in ultrasound imaging system
04/09/1996US5505090 Method and apparatus for non-destructive inspection of composite materials and semi-monocoque structures
04/09/1996US5505089 Scanner head assembly and couplant system therefore
04/09/1996CA1338240C Ultrasound brain lesioning system
04/04/1996WO1996010247A1 Active noise control in a duct with highly turbulent airflow
04/04/1996WO1996010246A1 Resonant macrosonic synthesis
04/04/1996WO1996009791A2 Forward viewing ultrasonic imaging catheter
04/04/1996DE4435513C1 Wave=conductor damping body oscillation
04/04/1996DE4435296A1 Vehicle with IC engine
04/04/1996DE4435156A1 Ultraschallsensor Ultrasonic sensor
04/04/1996DE4434626A1 Inexpensive mobile liq. ultrasonic contact agent
04/04/1996CA2200340A1 Forward viewing ultrasonic imaging catheter
04/04/1996CA2176512A1 Resonant macrosonic synthesis
04/03/1996EP0704287A2 Method for manufacturing a damping panel and panel made therefrom
04/03/1996EP0703741A1 Vibration isolation platform
04/03/1996EP0664044A4 Active acoustic transmission loss box.
04/03/1996EP0655151A4 Multiple interacting dve algorithm.
04/03/1996CN1119894A Partial beamforming
04/03/1996CN1119893A Digital beamformer having multi-phase parallel processing
04/02/1996US5504282 Sound transmission and absorption control media
04/02/1996US5504281 Perforated acoustical attenuators
04/02/1996US5503152 Ultrasonic transducer assembly and method for three-dimensional imaging
04/02/1996US5502931 Building element and method of manufacturing such element
03/1996
03/27/1996EP0702708A1 Acoustically active plastisols
03/27/1996EP0618847B1 Process and device for acoustically irradiating and transferring vibrations to an acoustic irradiation fluid containing particles
03/26/1996US5502770 Indirectly sensed signal processing in active periodic acoustic noise cancellation
03/26/1996US5502342 Machine having devices to reduce transmissions of structure-borne noise
03/26/1996US5501363 Combination drinking cup and megaphone
03/26/1996CA2094425C Method and apparatus for processing workpieces by ultrasonic energy
03/21/1996WO1996008812A1 Layered sound absorber for absorbing acoustic sound waves
03/21/1996DE4433103A1 Sound absorbing porous body
03/21/1996DE19532291A1 Exhaust silencer for vehicular IC engine
03/21/1996DE19502377A1 Plaster-coated plastics foam acoustic insulation board for interior use
03/20/1996EP0702349A2 Ultrasonic multiline beamforming with interleaved sampling
03/20/1996EP0702247A2 Ultrasonic visualisation method and apparatus
03/20/1996EP0702141A2 Sound absorbing apparatus for a supersonic jet propelling engine
03/20/1996EP0701731A1 Device for the treatment of biological tissue and concretions in the body
03/20/1996EP0396666B1 Selective active cancellation system for repetitive phenomena
03/19/1996US5499423 Noise control apparatus for vacuum cleaner
03/19/1996CA2042383C Level measuring device which can be assembled from components
03/14/1996WO1996008004A1 Directional ear device with adaptive bandwidth and gain control
03/13/1996EP0701263A1 Electric capacitor
03/13/1996EP0654132A4 Active force cancellation system.
03/12/1996US5499302 Noise controller
03/12/1996US5499301 Active noise cancelling apparatus
03/12/1996US5499219 Electro-acoustical transducer arrangement
03/12/1996US5498127 Active acoustic liner
03/12/1996US5497866 Current collecting apparatus
03/12/1996US5497776 Ultrasonic image diagnosing apparatus for displaying three-dimensional image
03/07/1996DE4445795C1 Gas feed component for inhibiting and dampening noise spreading in main channels
03/07/1996DE4437196C1 Sound=absorbing glass or transparent artificial glass component part
03/07/1996DE4419219A1 Sound damping assembly for suction manifold air ducts of vehicle IC engine
03/06/1996EP0700030A2 Sound absorbing mechanism using a porous material
03/06/1996EP0699257A1 Sound-absorbent component made of glass or transparent synthetic glass
02/1996
02/29/1996DE19529637A1 Coupling membrane for high intensity ultrasound, suitable for lithotripsy
02/29/1996DE19529635A1 Appts. for treatment with acoustic waves
02/29/1996DE19529440A1 Sound-absorbing equipment
02/28/1996EP0698159A1 Acoustic attenuating liner and method of making same
02/28/1996EP0470153B1 Active sound and/or vibration control