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)
07/1997
07/24/1997DE19601987A1 Überlackierbarer Stoßfänger mit Ultraschallwandler Overpaintable bumper with ultrasonic transducers
07/24/1997DE19601783A1 Sound absorbent walls for rail vehicle
07/24/1997DE19601656A1 Bedämpfter Ultraschallwandler Damped ultrasonic transducer
07/24/1997DE19601570A1 Acoustic coupling
07/23/1997EP0784845A1 Active control of aircraft engine inlet noise using compact sound sources and distributed error sensors
07/22/1997US5651072 Vibration damping system for vehicle
07/22/1997US5649935 Ultrasonic percussion device
07/17/1997WO1997025790A2 Noise cancellation and noise reduction apparatus
07/17/1997WO1997025198A1 Composite honeycomb sandwich structure
07/17/1997WO1997024985A1 Modular transducer system
07/17/1997DE19601227A1 Noise absorption device for sound proofing panels
07/17/1997DE19601111A1 Partial lining brake disc for motor vehicles
07/15/1997US5649018 Hybrid analog/digital vibration control
07/15/1997US5649016 Automatic sound controlling method and apparatus for improving accuracy of producing a canceling sound
07/15/1997US5648942 Acoustic backing with integral conductors for an ultrasonic transducer
07/15/1997US5648941 Transducer backing material
07/15/1997US5648697 Pressure sealed transducer for automotive vehicles
07/15/1997US5647377 Noise suppressor apparatus
07/15/1997US5647367 For imaging tissues from inside a patient's body cavity
07/15/1997US5647364 For providing an output ultrasonic beam to scan human/animal tissue
07/15/1997CA2101228C Active acoustic attenuation system with power limiting
07/10/1997DE19601061A1 Acoustic transmitter with membrane with adjustment screw forming one side of enclosure
07/09/1997EP0783164A2 Sound damping element, in particular for a panel sound damper
07/09/1997EP0782407A2 Forward viewing ultrasonic imaging catheter
07/08/1997US5646470 Acoustic transducer
07/08/1997US5646379 Attentuator for borehole acoustic waves
07/03/1997WO1997023865A1 A high resolution intravascular ultrasound transducer assembly having a flexible substrate
07/03/1997DE19635321A1 Brake servo with silencer
07/03/1997CA2211196A1 A high resolution intravascular ultrasound transducer assembly having a flexible substrate
07/02/1997EP0782370A2 Speaker for radiating sound waves in all directions relative to a speaker-supporting surface
07/02/1997EP0782368A2 Collapsible image derived differential microphone
07/02/1997EP0782126A2 Apparatus for real-time distributed computation of beamforming delays in ultrasound imaging system
07/02/1997EP0782125A2 Method and apparatus for transferring heat from transducer array of ultrasonic probe
07/02/1997EP0781446A1 Directional ear device with adaptive bandwidth and gain control
07/02/1997EP0781445A1 Layered sound absorber for absorbing acoustic sound waves
07/01/1997US5644641 Noise cancelling device capable of achieving a reduced convergence time and a reduced residual error after convergence
07/01/1997US5644186 Acoustic Transducer for LWD tool
07/01/1997US5643373 Pneumatic tire with pair of grooves
06/1997
06/26/1997WO1997023068A2 An adaptive noise cancelling arrangement, a noise reduction system and a transceiver
06/26/1997DE19548409A1 Rail track noise reduction
06/26/1997DE19547384A1 Sound block for absorbing sound
06/25/1997EP0780668A1 Method and means for vibration measurement
06/25/1997CN1152830A Noise controllable mobile telephone
06/25/1997CN1152517A Brake booster provided with noise shielding member
06/24/1997US5642331 Constant radius acoustic sensor mounting system
06/24/1997US5642329 Method for doubling the resolving power of a sonar array and a sonar array for implementing the same
06/24/1997US5640961 Device with aspherical compensation for focusing ultrasound
06/24/1997US5640959 Ultrasonic diagnostic apparatus
06/19/1997DE19623127C1 Sound absorber for reduction of target mass of underwater objects, especially submarines
06/18/1997EP0691020B1 Digital beamformer having multi-phase parallel processing
06/17/1997US5640371 For down hole well logging operations
06/17/1997US5639997 Acoustic noise cancelling apparatus for well logging and method of well logging
06/17/1997US5638822 Hybrid piezoelectric for ultrasonic probes
06/17/1997US5638821 Ultrasound diagnostics system for obtaining a tomographic image
06/11/1997EP0778559A2 Vibration/noise control system for vehicles
06/11/1997EP0778399A1 Resonator
06/11/1997CN1151504A Sound attenuation assembly for air-cooling apparatus
06/10/1997US5638454 Noise reduction system
06/10/1997US5638311 Filter coefficient estimation apparatus
06/10/1997US5638305 Vibration/noise control system
06/10/1997US5638304 Method and apparatus for active damping of vibration
06/10/1997US5638022 Control system for periodic disturbances
06/10/1997US5637800 Ultrasonic transducer array and manufacturing method thereof
06/06/1997CA2173811A1 Sound attenuating structure
06/05/1997WO1997020307A1 System and method for reducing engine noise
06/05/1997WO1997020233A1 Low frequency underwater sound source
06/05/1997DE19614240C1 Fluids steriliser used in reprocessing lubricating oil emulsions
06/05/1997DE19544713A1 Cutting and installing insulation or cladding panels for walls of buildings
06/04/1997EP0636207B1 Adaptive multifrequency reactive muffler
06/03/1997US5636287 Apparatus and method for the active control of air moving device noise
06/03/1997US5636286 Active noise reduction device for electronic apparatus
05/1997
05/28/1997EP0775620A1 Vibration-damping section, its manufacturing method, and structual member for transport vehicle
05/28/1997EP0775354A1 Sound absorber
05/28/1997EP0685133A4 Voice transmission systems with voice cancellation.
05/28/1997DE19644314A1 Therapy appts. with acoustic wave source
05/28/1997DE19543967A1 Induction noise damping device
05/27/1997US5633795 Adaptive tonal control system with constrained output and adaptation
05/27/1997US5633067 Engine compartment casing element with perforated foam layer
05/27/1997US5632844 Acoustic lamina wall covering
05/22/1997WO1997018551A1 Compound multifocal reflectors for concentrating shock waves
05/22/1997WO1997018550A1 Method and device for recovering a wanted acoustic signal from a composite acoustic signal including interference components
05/22/1997WO1997018549A1 Acoustic resonator
05/22/1997DE19543355A1 Sound proof upper engine compartment cover for vehicle
05/22/1997DE19543137A1 Sensor with vibrational body for determining wet or broken roadway for vehicle
05/22/1997CA2237859A1 Acoustic resonator
05/21/1997EP0774749A2 Active sound attenuation system for a vehicle
05/21/1997EP0773760A1 Active vibration control system for aircraft
05/21/1997CN1150444A Acoustic plastisols
05/20/1997US5631451 Device for reducing noise produced by automotive vehicle components
05/20/1997US5631450 Megaphone
05/20/1997US5631426 Sensors for vibration detection
05/20/1997US5630421 Ultrasound imaging
05/20/1997US5630417 Method and apparatus for automated control of an ultrasound transducer
05/20/1997CA2074295C Automatic sound controlling apparatus
05/15/1997WO1997017693A1 Phased array ultrasound system and method for cardiac ablation
05/14/1997EP0773531A2 Frequency selective active adaptive control system
05/14/1997EP0772758A1 Gun silencer
05/13/1997US5629986 Method and apparatus for intelligent active and semi-active vibration control
05/13/1997US5629906 Ultrasonic transducer
05/13/1997US5629503 Vibration damping device