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