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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03/17/1999 | EP0834172B1 Towed acoustic transmitter |
03/17/1999 | CA2215761A1 Acoustical dampening system |
03/16/1999 | US5882557 Which is interposed between an ultrasonic probe and an object to be observed with the use of an ultrasonic diagnostic system. freezing and defrosting the aqueous solution containing a polymer such as the pva, and providing a |
03/16/1999 | US5882310 Ultrasound transducer connector and multiport imaging system receptacle arrangement |
03/16/1999 | US5882307 Method and apparatus for receive beamformer system |
03/16/1999 | CA2137651C Active acoustical controlled enclosure |
03/11/1999 | DE19738612A1 Camshaft for internal-combustion engine |
03/10/1999 | EP0775354B1 Sound absorber |
03/09/1999 | US5879765 Thin metallic sheet structure having sound damping characteristics |
03/09/1999 | US5879314 Transducer assembly and method for coupling ultrasonic energy to a body for thrombolysis of vascular thrombi |
03/09/1999 | CA2145862C Active acoustic transmission loss box |
03/09/1999 | CA2136950C Active plus selective headset |
03/04/1999 | WO1999010877A2 Active noise control system for a defined volume |
03/04/1999 | WO1999010876A1 Sleeve for receiving a sensor, connected to the bumper of an automobile |
03/04/1999 | WO1999010875A2 Ultrasonic converter with a board for an electric circuit arranged in the longitudinal direction of the converter |
03/04/1999 | WO1999010608A1 A noise attenuation device |
03/04/1999 | WO1999010110A1 Ultrasonic transducer |
03/03/1999 | EP0899025A1 Ultrasonic transducer probe and method of operation |
03/03/1999 | EP0898774A1 Reactive sound absorber |
03/03/1999 | EP0766714B1 Acoustic plastisols |
03/03/1999 | EP0764245B1 Active mounts for aircraft engines |
03/03/1999 | CN1209852A Soundabsorbing element and procedure for manufacture of same and use thereof |
03/02/1999 | US5878000 Isolated sensing device having an isolation housing |
03/02/1999 | US5876826 Modular sound-deadening covering |
02/25/1999 | WO1999008638A1 Noise cancellation system for active headsets |
02/25/1999 | DE19758075A1 Sensor mounting sleeve connected to vehicle shock damper |
02/25/1999 | DE19754107C1 Sound absorber, for suspension from ceiling |
02/25/1999 | DE19736052A1 Damp=proof heat etc. insulating mat recycled from vehicle carpeting |
02/24/1999 | EP0898266A2 A method and an arrangement for attenuating noise in a space by generating antinoise |
02/24/1999 | EP0898265A2 Sound-absorbing material and a calbe reel uncluding the same |
02/24/1999 | EP0898175A1 Multilobe ultrasonic scanning method |
02/24/1999 | EP0897675A1 Energy conversion composition |
02/23/1999 | US5873845 Ultrasound transducer with focused ultrasound refraction plate |
02/18/1999 | WO1999008038A1 Sound insulation member |
02/18/1999 | WO1998039209A3 Sound reduction method and system for jet engines |
02/18/1999 | WO1998026405A3 Directed acoustic stick radiator |
02/18/1999 | DE19735648A1 Preparation of inorganic insulating material |
02/17/1999 | EP0897176A1 Underwater acoustic absorber |
02/17/1999 | EP0897175A2 Acoustical and structural microporous sheet |
02/17/1999 | EP0897174A1 Acoustically resistive layer, manufacturing process for this layer and sound-absorbing panel featuring at least one such layer as well as its manufacturing process |
02/16/1999 | US5872853 Device for abating traffic noise |
02/16/1999 | US5872493 Bulk acoustic wave (BAW) filter having a top portion that includes a protective acoustic mirror |
02/11/1999 | WO1999006990A2 Compact horn speaker |
02/11/1999 | WO1999005998A1 Active noise cancellation aircraft headset system |
02/10/1999 | EP0895458A2 Ultrasound transmission apparatus and method of using same |
02/10/1999 | EP0715755B1 Pressure sealed transducer for motor vehicles |
02/10/1999 | EP0654132B1 Active force cancellation system |
02/10/1999 | CN1207819A System and method for reducing engine noise |
02/09/1999 | US5869764 Ultrasonic sensor |
02/09/1999 | US5868882 Solidifying a liquid polymer on a metal substrate; cooling further so that the differential thermal contraction causes the polymer to stretch across the metal, for tight contact; efficient energy transport between chemical bath, substrate |
02/04/1999 | WO1999005486A2 Vibration monitoring system |
02/04/1999 | DE19803527A1 Acoustic insulation sandwich board |
02/03/1999 | EP0895223A2 Engine nacelle acoustic panel with integral wedge fairings and an integral forward ring |
02/03/1999 | EP0895222A2 Reinforcing structure for engine nacelle acoustic panel |
02/03/1999 | EP0894617A2 Multilayer molded piece and method for manufacturing the same |
02/03/1999 | EP0893972A1 Methods and devices for attaching and detaching transmission components |
02/03/1999 | EP0893971A1 Methods and devices for joining transmission components |
02/03/1999 | CN1041908C Low aerodynamic noise type current equipment |
02/02/1999 | US5867748 Noise masking device and method for use in an image forming apparatus |
02/02/1999 | US5866857 Structure of modem shell with round sound suppression |
02/02/1999 | US5865946 Arrangement in a drive unit for an ultrasound sealing unit |
02/02/1999 | US5865751 Ultrasonic diagnostic apparatus which performs complex vector phase correction to echo signals obtained in time sequence from each ultrasonic transducer |
02/02/1999 | US5865119 Soundproofing |
02/02/1999 | CA2134322C Hands free noise canceling headset |
01/28/1999 | WO1998048508A3 Method and apparatus for multichannel active noise and vibration control |
01/27/1999 | EP0893452A2 Protein removed beta-1,3 glucan and coupling medium for probe of ultrasonograph containing same |
01/26/1999 | CA2124366C Sound absorbing shaped part |
01/21/1999 | WO1999003091A1 Methods and apparatus for measuring signal level and delay at multiple sensors |
01/21/1999 | DE19730922A1 Sound absorber for use e.g. in motor vehicles |
01/20/1999 | EP0892386A2 A resonance-absorption acoustic-insulation panel |
01/20/1999 | CN2304973Y Invisible sounding device |
01/19/1999 | US5862234 Active noise cancellation system |
01/14/1999 | WO1999001732A1 Vibration pickup with pressure sheath |
01/14/1999 | WO1999001234A2 Ultrasonic transducer |
01/14/1999 | DE19822148A1 Active noise reduction method for pipelines of different cross-sections |
01/14/1999 | DE19818415A1 Reducer for combustion noise for exhaust gas pipe of boiler-burner units |
01/14/1999 | DE19727703A1 Schwingungsaufnehmer mit Druckhülse Vibration sensor with ferrule |
01/14/1999 | DE19727657C1 Anti-noise loudspeaker combating noise for direct use in MR tomography esp. control of sound in brain and heart studies |
01/13/1999 | EP0890849A1 Acoustic lobe pattern combination method for improving mapping quality |
01/13/1999 | EP0890292A1 Ultrasonic transducers method for fixing ultrasonic transducers and high output power ultrasonic transducers |
01/13/1999 | EP0890165A1 Multi-layer sound-absorbent component |
01/13/1999 | EP0890004A2 Privacy enclosure |
01/13/1999 | EP0659058B1 Disposable sensing device with cutaneous conformance |
01/07/1999 | WO1999000061A1 Transducer assembly and method for coupling ultrasonic energy to a body for thrombolysis of vascular thrombi |
01/07/1999 | EP0889459A2 Structure having low acoustically-induced vibration response |
01/07/1999 | EP0888607A1 Method and apparatus for the active control of sound radiated from flow ducts |
01/07/1999 | EP0888606A1 Multi-layer sound-absorbing component |
01/07/1999 | EP0888563A1 A mechanical filter |
01/07/1999 | EP0888503A2 Method and apparatus for non-model based decentralized adaptive feedforward active vibration control |
01/07/1999 | DE19727877A1 Ultraschallwandler Ultrasonic transducer |
01/07/1999 | DE19727617A1 Active sound absorption system for e.g. ventilation ducts |
01/07/1999 | CA2301145A1 Transducer assembly and method for coupling ultrasonic energy to a body for thrombolysis of vascular thrombi |
01/06/1999 | CN1204017A Integrated active noise control system for air handling unit |
01/05/1999 | US5856955 Method and apparatus for transmit beamformer system |
01/05/1999 | US5855706 Simultaneous amplitude and force profiling during ultrasonic welding of thermoplastic workpieces |
12/30/1998 | EP0887787A2 Integrated active noise control system for air handling unit |
12/30/1998 | EP0887483A1 Mass-spring-system type insulation material |
12/30/1998 | EP0887119A2 Electro-acoustic transducer for underwater use |
12/30/1998 | EP0886852A1 Noise suppressor circuit and associated method for suppressing periodic interference component portions of a communication signal |
12/30/1998 | EP0756740B1 Process and device for tracing an ultrasound field |