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)
05/1997
05/09/1997WO1997016817A1 Sound and vibration control windows
05/09/1997WO1997016816A1 Active acoustic attenuation device for use in a duct, particularly for soundproofing a ventilation and/or air-conditioning network
05/06/1997US5627897 Acoustic attenuation device with active double wall
05/06/1997US5627896 Method of controlling a disturbance
05/06/1997US5627802 Sound amplification system having a submersible microphone
05/06/1997US5627801 For alerting marine creatures to structures in water
05/06/1997US5627747 System for developing and operating an active sound and vibration control system
05/06/1997US5627746 Low cost controller
05/06/1997US5627425 Vibrating unit
05/06/1997US5626767 Acoustic filter for separating and recycling suspended particles
05/06/1997US5626138 Ultrasonic transducer probe with axisymmetric lens
05/06/1997CA2062523C Reactive sound attenuator, in particular for air ducts in paper mills
05/02/1997EP0770984A2 Vibration-damping section with sound absorbing material
05/02/1997EP0752076A4 Vibration damping device
04/1997
04/29/1997US5625684 Active noise suppression system for telephone handsets and method
04/29/1997US5625172 Engine enclosure air inlet/discharge sound attenuator
04/29/1997US5624518 Method of making a housing liner
04/29/1997US5623928 Method and apparatus for coherent image formation
04/24/1997DE19638695A1 Modularer Schwingungskraftgenerator und Verfahren zu dessen Betrieb Modular vibratory force generator and method for operating the
04/24/1997DE19605502C1 Ultrasonic transducer for distance measurement
04/24/1997DE19539309A1 Noise insulation material which can be recycled easily
04/23/1997EP0769422A1 Sound absorbing wheel-housing cover
04/23/1997EP0769421A1 Tyre/road noise reduction arrangement
04/23/1997EP0647343B1 A transducer arrangement for active sound cancellation systems
04/23/1997EP0646271B1 Holder for ultrasonic power converters
04/22/1997US5622662 Casting a solid polymer barrier layer on release paper, forming a polymer open cell foam layer, casting foam layer on barrier layer, fusing foam layer to barrier layer to form the attenuation barrier composite
04/17/1997WO1997014024A1 Encapsulated transducer and method of manufacture
04/16/1997EP0768505A2 Sound attenuation assembly for air-cooling apparatus
04/16/1997EP0768440A1 Panel-like mineral wool insulating element
04/16/1997EP0767949A1 Process and device for generating spherical waves in the ultrasound range
04/16/1997CN1147452A Sandwith panel made of composite material and production method
04/15/1997US5621803 Active attenuation system with on-line modeling of feedback path
04/15/1997US5621701 Controlled compliance acoustic baffle
04/15/1997US5621656 Adaptive resonator vibration control system
04/15/1997US5619997 Passive sensor system using ultrasonic energy
04/10/1997WO1997013241A1 High-gain directional transducer array
04/09/1997EP0767569A1 Method and device for adaptive identification and related adaptive echo canceller
04/09/1997EP0767275A1 Sound absorber for ballastless railway superstructure
04/09/1997EP0766714A1 Acoustic plastisols
04/09/1997EP0681688A4 Ultrasonic pest control device and method for constructing the same.
04/09/1997EP0516695B1 Noise reducing system
04/09/1997CN1147087A Pressure sleeve
04/08/1997US5619581 Active noise and vibration cancellation system
04/08/1997US5619020 Muffler
04/08/1997US5618993 Ultrasonic detection apparatus and method for detecting acoustic emission
04/08/1997US5618360 Pneumatic tire including pitches
04/08/1997US5618010 Active noise control using a tunable plate radiator
04/08/1997US5617866 Modular transducer system
04/08/1997US5617862 Ultrasonic imaging system for imaging an object
04/08/1997CA2099945C Telephonic headset structure for reducing ambient noise
04/03/1997WO1997012360A1 Active noise control system for closed spaces such as aircraft cabins
04/03/1997WO1997012359A1 Hybrid active vibration control method and device, particularly for mechanical and acoustic vibration and the like
04/03/1997DE19631431A1 interference-type sound damper
04/03/1997DE19535769A1 Noise damping system for fixed track carrying rail vehicles
04/03/1997CA2231276A1 Active noise control system for closed spaces such as aircraft cabins
04/02/1997EP0766288A2 Device and method for treating semiconductor elements
04/02/1997EP0766228A2 Method of and apparatus for controlling noise generated in confined spaces
04/02/1997EP0766227A2 A thermal sink for a transducer assembly
04/02/1997EP0765968A1 Soundproof wall
04/02/1997EP0765737A1 Sound absorbing component
04/02/1997EP0765695A2 Acoustic resonator driving system
04/02/1997EP0765562A1 Adaptive microphone arrangement and method for adapting to an incoming target-noise signal
04/02/1997EP0706596A4 Acoustic/shock wave attenuating assembly
04/02/1997EP0681726B1 Ear defenders employing active noise control
04/02/1997EP0591313B1 Vibration damping constructions using aromatic epoxy high temperature damping materials
04/01/1997US5617479 Global quieting system for stationary induction apparatus
04/01/1997US5617315 Active vibration damping system for a vehicle
04/01/1997US5616865 Acoustic wave generating apparatus
04/01/1997US5615681 Method for measuring speed of sound in tissue and tissue assessment apparatus
04/01/1997US5615678 Integral auto-selecting yoke/transducer connector for ultrasound transducer probe
03/1997
03/27/1997WO1997011533A1 A directional acoustic signal processor and method therefor
03/27/1997WO1997011452A1 Self-focusing method for synthetic antenna sonars
03/27/1997WO1997011451A1 Method for damping vibration and the pressure wave from a material
03/27/1997DE19625649A1 Focusing ultrasound beam onto target region of object esp. for intravascular ultrasound imaging
03/26/1997EP0764245A1 Active mounts for aircraft engines
03/25/1997US5614285 Molded panel having a decorative facing and made from a blend of natural and plastic fibers
03/25/1997US5613940 Synthesizing array for three-dimensional sound field specification
03/20/1997WO1996035923A3 Acoustic transducer components
03/19/1997EP0763234A1 Method and apparatus for minimizing aircraft cabin noise
03/19/1997EP0763233A1 Impedance-matching composite material for an ultrasonic phased array and a method of making
03/18/1997US5613009 Method and apparatus for controlling vibration
03/18/1997US5612723 Ultrasonic printer
03/13/1997WO1997009850A1 Headset with ear cushion and means for limiting the compression of the cushion
03/13/1997WO1997009768A1 Low noise refrigerant compressor
03/13/1997WO1997008991A1 Ultrasonic receive beamformer with phased sub-arrays
03/13/1997DE19533623A1 System for absorption of air noise
03/12/1997EP0762382A1 Panel for constituting sound insulating wall
03/12/1997EP0761776A2 Plain surface acoustical product and coating therefor
03/12/1997EP0760996A1 Multimedia personal computer with active noise reduction and piezo speakers
03/12/1997EP0716751B1 Sonar system for current meters and doppler logs
03/11/1997US5610987 Active noise control stethoscope
03/11/1997US5609154 Duplexer including a variable capacitance diode for an ultrasound imaging system
03/06/1997WO1997008917A1 Ultrasonic transducer
03/06/1997WO1997008683A1 Active noise control system using phased-array sensors
03/06/1997WO1997008682A1 Thin metal sheet structure effective for sound damping
03/06/1997WO1997008546A1 Ultrasonic probes for use in harsh environments
03/06/1997DE19632490A1 Tachometer with ultrasound sensor for rotational speed of combustion engine
03/05/1997EP0760575A2 Echo canceller with adaptive and non-adaptive filters
03/05/1997EP0760574A2 Echo canceller system with shared coefficient memory
03/05/1997EP0500765B1 Resonance oscillator