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)
09/1995
09/20/1995EP0672384A1 Medical needle for use in ultrasound imaging and method of enhancing the visibility of such a needle to ultrasound
09/19/1995US5452361 Reduced VLF overload susceptibility active noise cancellation headset
09/19/1995US5450851 Ultrasonic probe assembly
09/19/1995CA2037253C Method and apparatus for producing snow using ultrasonic waves
09/14/1995WO1995024630A1 Method and device for measuring the characteristics of an oscillating system
09/14/1995WO1995024309A2 Non invasive error sensing dve method and apparatus
09/14/1995WO1995024171A1 Integral device for active control of noise in ducts
09/14/1995EP0694234A4 Control system for periodic disturbances
09/14/1995DE4430697C1 Sound damping for air supply duct for pneumatic brake servo
09/14/1995DE19505025A1 Sound proofing panel with surface recesses
09/13/1995EP0671720A2 Vapour extracting hood with at least partial cancellation of noise by compensation
09/12/1995US5450373 Apparatus for transmitting two frequency signals with an acoustic projector
09/07/1995DE4406323A1 Vorrichtung zur Ultraschallbearbeitung von Werkstoffen in schwer zugänglichen Bereichen und Verfahren zur Präparation von Zahn- und Knochenmaterialien Apparatus for ultrasonic machining of materials in hard to reach areas and methods for the preparation of tooth and bone materials
09/06/1995EP0670074A1 Composite sound damping member.
09/05/1995US5448645 Active fan blade noise cancellation system
08/1995
08/31/1995WO1995023406A1 Apparatus for sound-proofing a machine such as a combustion turbine engine
08/31/1995WO1995022938A2 Device, process and auxiliaries for the ultrasonic preparation of human or animal hard or soft tissues and tooth or bone replacement materials, and objects obtained therefrom
08/31/1995DE4344861A1 Electro-acoustic container level monitor
08/31/1995CA2184289A1 Device, process and auxiliaries for the ultrasonic preparation of human or animal hard or soft tissues and tooth or bone replacement materials, and objects obtained therefrom
08/30/1995EP0669781A1 Speaker system
08/30/1995EP0466910B1 High energy ultrasonic lens with mounting facets
08/29/1995US5446790 Intake sound control apparatus
08/29/1995US5446249 Dry acoustic system preventing condensation
08/29/1995US5445864 Method of manufacturing glass reinforced concrete building products
08/29/1995US5445861 Lightweight honeycomb panel structure
08/29/1995US5445517 Adaptive noise silencing system of combustion apparatus
08/25/1995EP0678071A4 Method and apparatus for masking the acoustic signature of vessels.
08/24/1995WO1995022488A1 Adaptive synchrophaser for reducing aircraft cabin noise and vibration
08/24/1995WO1995022284A1 Ultrasonic probe having articulated structure
08/23/1995EP0667978A1 Ultrasonic probe and method of operating it.
08/23/1995EP0667757A1 Active gas turbine (jet) engine noise suppression
08/23/1995EP0594626A4 High efficiency fan with adaptive noise cancellation
08/23/1995EP0447516B1 Level indicator comprising several separable components
08/22/1995US5444786 Snoring suppression system
08/22/1995US5444668 Anechoic and decoupling coating
08/22/1995US5443070 Ultrasound prode with banks of interconnected electrostrictive transducer elements
08/17/1995WO1995022015A1 Vibration damping device
08/17/1995DE4404930A1 Noise abatement blanket for indoor testing of motor vehicles
08/17/1995DE4404502A1 Sound reducing covering hood, partic. for cylinder head cover of IC engine
08/16/1995EP0666992A1 An improved method for reverberation suppression
08/16/1995EP0666806A1 Moulded article designed to absorb airborne sound.
08/16/1995EP0634919A4 Active noise-cancellation system for automotive mufflers.
08/15/1995US5442251 Vibrating unit
08/15/1995US5440930 Ultrasonic measuring assembly and means for attaching same to a vessel
08/10/1995DE4431601A1 Mobile radio transceiver unit
08/09/1995EP0666408A1 Muffler, in particular exhaust gas muffler for vehicle heating system independent of the engine
08/09/1995EP0666113A1 Ultrasonic percussion device
08/09/1995EP0665977A1 Adaptive control system
08/09/1995EP0665976A1 Adaptive control system
08/09/1995EP0665975A1 Adaptive control system
08/09/1995EP0625266A4 Method and apparatus for ultrasonic inspection of inaccessible areas.
08/08/1995US5440641 Active noise cancellation system
08/08/1995US5438999 Ultrasonic transducer
08/08/1995US5438998 Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof
08/08/1995US5438806 Composition for vibration damping
08/04/1995CA2141732A1 Ultrasound percussion device
08/03/1995WO1995020841A1 Adaptative feedforward and feedback control system
08/03/1995WO1995020769A1 A passive sensor system using ultrasonic energy
08/03/1995WO1995020486A1 Sandwich construction building materials
08/03/1995CA2182193A1 A passive sensor system using ultrasonic energy
08/03/1995CA2180553A1 Sandwich construction building materials
08/02/1995EP0665529A2 Tires/road noise reduction arrangement
08/02/1995CN2204447Y Face-playing auxiliary sounding device
08/01/1995US5438624 Processes and devices for protecting a given volume, preferably arranged inside a room, from outside noises
08/01/1995US5438554 Tunable acoustic resonator for clinical ultrasonic transducers
08/01/1995US5438247 Ultrasonic sensor scanning apparatus and method for detecting objects by use of the scanning apparatus
08/01/1995US5437282 Drive shaft for acoustic imaging catheters and flexible catheters
07/1995
07/27/1995WO1995020214A1 Polyhedral directional transducer array
07/27/1995WO1995019943A1 Starved matrix composite
07/27/1995WO1995019075A3 Active muffler
07/27/1995DE4402244A1 Sound and heat insulating material
07/27/1995DE4401983A1 Thermal and acoustic insulation useful in building and vehicle
07/26/1995EP0664659A2 Perforated acoustical attenuators
07/26/1995EP0664044A1 Active acoustic transmission loss box
07/25/1995US5436874 Method and apparatus for sensing acoustic signals in a liquid
07/25/1995US5436872 Time delay-phase shift combination beamformer
07/25/1995US5435863 Method for processing workpieces by ultrasonic energy
07/25/1995US5435314 Intravascular imaging catheter tip having a dynamic radius
07/25/1995US5435186 Ultrasonic parametric amplifier
07/22/1995CA2139288A1 Perforated acoustical attenuators
07/20/1995DE4401277A1 Constructional component for sound=damping structure
07/20/1995DE4401162A1 Acoustic insulation for engine bonnet air openings
07/19/1995EP0663337A1 Propeller blade position controller
07/19/1995EP0663077A1 Optical reflector arrays and apparatus using such arrays
07/18/1995US5434925 Active noise reduction
07/18/1995US5434830 Ultrasonic transducer
07/18/1995US5434827 Matching layer for front acoustic impedance matching of clinical ultrasonic tranducers
07/18/1995US5434783 Active control system
07/13/1995WO1995019075A2 Active muffler
07/12/1995EP0413028B1 Acoustic coupler
07/12/1995CN1104964A Low aerodynamic noise type current equipment
07/11/1995US5432857 Dual bandpass secondary source
07/11/1995US5432750 Vertical array deployment device
07/11/1995CA1336295C Sound reproducing apparatus
07/06/1995DE4400039A1 Ultrasound contact gels based on water-contg. glycerine
07/05/1995EP0661182A2 Pneumatic tyre
07/04/1995US5430070 Polymeric resin colloid, hardener and acoustic activity agent; sound insulation; pellet, thread, sponge, sheet, plates
07/04/1995US5428999 Method and apparatus for acoustic examination using time reversal
06/1995
06/29/1995WO1995017320A1 Modular sound-absorbing covering
06/29/1995DE4344519A1 Acoustic waveguide giving definite surface radiation or reception