Patents
Sitemap › G10 - Musical instruments; Acoustics › G10K - Sound-producing devices; methods or devices for protecting against, or for damping, noise or other acoustic waves in general; Acoustics not otherwise provided 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
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)
11/1998
11/03/1998US5831401 For controlling the vibratory energy radiated from a structure
11/03/1998US5831168 Ultrasound signal processor
11/03/1998CA2138553C Control system for periodic disturbances
10/1998
10/29/1998WO1998048508A2 Method and apparatus for multichannel active noise and vibration control
10/29/1998WO1998048406A1 Method for the optimal transmission of communication having any physical characteristics, method for optimal sound reproduction and system for realising the same, and method for the active, three-dimensional and optimal level reduction of signals having any physical characteristics
10/29/1998WO1998034294A3 Multi-dimensional beamforming device
10/29/1998DE19723516C1 Active reducing drive for belt vibrations of vehicle steel tyre
10/28/1998EP0874351A2 Ultrasonic transmitter-receiver
10/28/1998CN1197199A Ultrasonic transmitter-receiver
10/28/1998CA2236238A1 Methods and devices for controlling the vibration of ultrasonic transmission components
10/27/1998US5828768 Multimedia personal computer with active noise reduction and piezo speakers
10/27/1998US5828761 Sound amplification system having a submersible microphone
10/27/1998US5828760 Non-linear reduced-phase filters for active noise control
10/27/1998US5828759 System and method for reducing engine noise
10/27/1998US5828627 Method of and apparatus for producing spherical waves in the ultrasonic range
10/27/1998US5828274 Clad ultrasonic waveguides with reduced trailing echoes
10/27/1998US5828012 Protective cover assembly having enhanced acoustical characteristics
10/27/1998US5827188 Method and apparatus for receive beamformer system
10/27/1998US5827173 To transfer sound waves from external sources to abdomen of pregnant females
10/22/1998WO1998047133A1 System and method for actively damping boom noise
10/22/1998WO1998046456A1 VEHICLE PART WITH μ/4-ABSORBER
10/22/1998DE19816914A1 Scanning microscope with stage observing=evaluating parameters of sample surface
10/21/1998EP0871401A1 Ultrasonic biometric imaging and identity verification system
10/21/1998EP0714266B1 Imaging and therapy intraluminal probe and therapeutic treatment apparatus utilizing same
10/21/1998CN1196488A Elastic wave exploration tool for wells
10/21/1998CN1040375C Dynamic noise control equipment for three-D space
10/20/1998US5825898 System and method for adaptive interference cancelling
10/20/1998US5825897 Noise cancellation apparatus
10/20/1998US5823600 Noise insulating wall structure
10/15/1998WO1998045727A1 Acoustic imaging system
10/14/1998EP0871021A2 Acoustic sensor
10/14/1998EP0870298A2 Noise cancellation and noise reduction apparatus
10/13/1998US5822276 Broadband sonar method and apparatus for use with conventional sonar sensor arrays
10/13/1998US5822272 Concentric fluid acoustic transponder
10/13/1998US5822271 Submarine portable very low frequency acoustic augmentation system
10/13/1998US5820975 Sound absorbing material and method of production therefor
10/13/1998US5820564 Method and apparatus for surface ultrasound imaging
10/13/1998US5820549 Modular transducer system
10/13/1998CA2140153C Low cost controller
10/08/1998WO1998043797A1 Molded body of thermoplastic resin having sound absorption characteristics
10/08/1998WO1998043567A1 Noise cancellation earpiece
10/08/1998WO1998035721A3 Ultrasound transmission apparatus and method of using same
10/08/1998DE19734180A1 Pulsing receiver e.g. for ultrasonic diagnostic apparatus
10/07/1998EP0869037A2 Sound isolation plate structure
10/07/1998EP0598120B1 Noise control apparatus
10/07/1998CN2293882Y Full-automatic multi-function electronic phonetic propaganda machine
10/06/1998US5818947 Reducing flow-induced resonance in a cavity
10/06/1998US5817992 Planar binary amplitude diffusor
10/06/1998US5817408 Automotive dash panel
10/06/1998US5817024 Hand held ultrasonic diagnostic instrument with digital beamformer
10/06/1998US5817023 Ultrasound imaging system with dynamic window function generator
10/06/1998US5817018 Method for measuring speed of sound in tissue and tissue assessment apparatus
10/01/1998WO1998043234A1 Ultrasound transducer mounting assembly
10/01/1998DE19737398C1 Ultrasonic transducer test head e.g. for non-destructive, acoustic testing of materials
10/01/1998DE19712472A1 Heavy layer moulding for sound insulation in motor vehicles
10/01/1998CA2254109A1 Ultrasound transducer mounting assembly
09/1998
09/30/1998EP0867718A2 Focal type electromagnetic acoustic transducer and flaw detection system and method
09/30/1998EP0867563A2 Rail track with sound absorbing proceedings
09/29/1998US5815582 Active plus selective headset
09/29/1998US5814736 Holder for ultrasonic transducers
09/29/1998US5813998 Method and system for coupling acoustic energy using an end-fire array
09/29/1998US5813180 Privacy enclosure
09/29/1998CA2142013C Active high transmission loss panel
09/29/1998CA2129946C Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof
09/24/1998WO1998041974A2 Anr headset with dual stereo jacks
09/24/1998CA2283568A1 Anr headset with dual stereo jacks
09/23/1998CN1194087A Ultrasonic transducers method for fixing ultrasonic transducers and high output power ultrasonic transducers
09/22/1998US5812684 Passenger compartment noise attenuation apparatus for use in a motor vehicle
09/22/1998US5812682 Active vibration control system with multiple inputs
09/17/1998DE19733233C1 Electroacoustic transducer
09/16/1998EP0865157A2 A bulk acoustic wave (BAW) filter
09/16/1998EP0865024A2 Acoustic protection insert
09/16/1998EP0864107A1 Low frequency underwater sound source
09/16/1998EP0749570B1 Method and device for measuring the characteristics of an oscillating system
09/16/1998CN1039867C Ultrasonic transducer
09/15/1998US5809152 Apparatus for reducing noise in a closed space having divergence detector
09/15/1998US5808970 Multi-layer acoustically transparent sonar array
09/15/1998US5808967 Acoustic system
09/15/1998US5808243 Multistage turbulence shield for microphones
09/15/1998US5808177 Method for calibrating and controlling a device for the ultrasound detection of objects in the air
09/15/1998US5807628 Method of repairing sound attenuation structure used for aircraft applications
09/15/1998US5807268 Disposable sensing device with contaneous conformance
09/15/1998US5807260 Ultrasound imaging methods and apparatus
09/15/1998CA2118211C Adaptive multifrequency reactive muffler
09/15/1998CA2076007C Digital virtual earth active cancellation system
09/11/1998WO1998039767A1 Method to produce sound-proofing panels or surfaces for interiors
09/11/1998WO1998039209A2 Sound reduction method and system for jet engines
09/11/1998WO1998039149A1 A method for producing sound absorbing units
09/11/1998CA2282744A1 Sound reduction method and system for jet engines
09/09/1998EP0863054A2 Sound isolation plate structure
09/09/1998EP0862776A1 Acoustic resonator
09/08/1998US5805714 Noise suppressor in image forming apparatus and noise suppressing method
09/08/1998US5803009 Process of protecting an object from sound waves
09/03/1998WO1998038370A1 Soundproofing material and the use thereof
09/03/1998DE19708188A1 Schallschutzmaterial und seine Verwendung Soundproofing material and its use
09/03/1998DE19707933A1 Ultrasonic transducer for receiving and transmitting HF waves in any fluids
09/03/1998DE19706707A1 Rail damper
09/03/1998DE19706645A1 Snoring noise suppression system
09/03/1998DE19706367A1 Noise reducing wall beside busy road
09/02/1998EP0862012A2 Sound damping device for reducing fluid and body noise
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