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