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)
09/2002
09/05/2002DE10102470C1 Damper for rotary mechanical rotational vibration has oppositely rotating discs with masses movable in paths extending through cent res of rotation
09/04/2002EP1237148A2 Ultrasonic transducer, method of manufacture, and use in a ultrasonic flowmeter
09/04/2002EP1236197A1 Device for soundproof covering
09/04/2002EP1045775B1 Selfsupporting assembly without a heavey layer
09/04/2002EP0818121B1 Sound pick-up and reproduction system for a headset in a noisy environment
09/03/2002US6445799 Noise cancellation earpiece
09/03/2002US6445647 Wideband-to-narrowband conversion method and apparatus
09/03/2002US6443900 Ultrasonic wave transducer system and ultrasonic wave transducer
09/03/2002US6443897 Refraction delay error correction using agile beamformer
09/03/2002US6443258 Durable porous article of manufacture and a process to create same
09/03/2002US6443256 Dual layer acoustical ceiling tile having an improved sound absorption value
09/03/2002CA2114529C Noise reduction system
08/2002
08/29/2002WO2002045073A3 Systems and methods for controlling a phased array focused ultrasound system
08/29/2002US20020120415 Adaptation performance improvements for active control of sound or vibration
08/29/2002US20020120366 Computationally efficient means for optimal control with control constraints
08/29/2002US20020120196 Refraction delay error correction using agile beamformer
08/29/2002US20020120193 Ultrasound probe with integrated electronics
08/29/2002US20020119339 Interfaces and etched heterojunction structures are described. A bottom layer is deposited on a substrate, a transition etch layer is deposited over the bottom layer, and a top layer is deposited over the transition etch layer.
08/29/2002US20020118844 System for computationally efficient active control of tonal sound or vibration
08/29/2002US20020117579 Neural net controller for noise and vibration reduction
08/29/2002US20020117352 Apparatus for absorbing sound
08/29/2002US20020117350 Method of muffling the noise of successive components as well as a noise absorber for successive components
08/29/2002DE10107391A1 Schallschutzvorrichtungen Noise protection devices
08/29/2002DE10107209A1 Dämpfungsmaterial Damping material
08/29/2002DE10106477A1 Ultraschallwandler mit Gehäuse Ultrasonic transducer with housing
08/29/2002DE10105891A1 Verfahren zur Geräuschdämpfung von aufeinanderfolgenden Bauteilen sowie Geräuschabsorber für aufeinanderfolgende Bauteile A method of noise attenuation of consecutive components and noise absorber for successive components
08/27/2002US6441703 Multiple frequency acoustic reflector array and monolithic cover for resonators and method
08/27/2002US6441702 Method and system for wafer-level tuning of bulk acoustic wave resonators and filters
08/27/2002US6439340 Acoustically treated structurally reinforced sound absorbing panel
08/22/2002WO2002065447A2 Sound absorbing foam
08/22/2002WO2002065446A1 Support for an ultrasound transducer comprising a housing
08/22/2002WO2000019406A9 Adjustable in-hull transducer assembly
08/22/2002US20020114928 Composite materials with negative elastic constants
08/22/2002US20020114472 Method for active noise cancellation using independent component analysis
08/22/2002DE10104604A1 Bauteil mit schwingungsdämpfenden Eigenschaften, Gemenge zur Herstellung des Bauteils, sowie Verfahren zur Herstellung eines derartigen Bauteils Component having vibration-damping properties, mixtures for producing the component, and processes for producing such a component
08/21/2002EP1233511A2 Passband filter having an asymmetrical filter response
08/21/2002EP1233510A2 Method of tuning a bulk acoustic wave device
08/21/2002EP1232023A1 Ultrasonic transducer
08/21/2002EP0746262B1 Device for the ultrasonic preparation of human or animal hard or soft tissues and tooth or bone replacement materials
08/21/2002CN2507104Y Mechanical spring pneumatic bullet device
08/21/2002CN1365186A Stable fixed multipe resonator sound wave filter with structure picture acoustic reflector
08/20/2002US6436854 Chopped fiberglass laminate for automotive headliners and method of fabrication
08/20/2002US6436048 Ultrasonic diagnostic imaging system with scanhead elevation beamforming
08/20/2002US6436047 Aperture configurations for medical diagnostic ultrasound
08/20/2002US6435902 Sensor mount
08/20/2002US6435303 Sound absorbing structure
08/20/2002US6435301 Apparatus for the redistriabution of acoustic energy
08/20/2002CA2176374C Acoustic insulating panels or elements
08/20/2002CA2081800C Integrated vibration reducing & health monitoring systems
08/15/2002WO2002063606A1 Ultrasound transducer and method of manufacturing an ultrasound transducer
08/15/2002WO2002063605A1 A device and a method for active acoustical attenuation of noise radiating from an essentially cylindrically shaped component and use of said device
08/15/2002WO2001034468A9 Method and apparatus for minimizing the transmission of acoustic vibrations to a payload
08/15/2002US20020111568 Method for phased array ultrasonic transmission
08/15/2002US20020110662 Baffle and reinforcement assembly
08/15/2002US20020109565 Method and system for wafer-level tuning of bulk acoustic wave resonators and filters
08/15/2002US20020109563 Passband filter having an asymmetrical filter response
08/15/2002US20020108807 Soundproof cover for automobile
08/14/2002EP1230637A1 Apparatus for acoustically improving an environment and related method
08/14/2002EP1229839A2 Use of focused ultrasound for vascular sealing
08/14/2002EP1178901B1 Sound transmission device for a motor vehicle
08/14/2002DE10200559A1 Schalldämmmatte für Bodenbeläge sowie Verfahren zu dessen Herstellung The sound insulation mat for floor coverings as well as methods for its preparation
08/14/2002DE10114732A1 Verfahren zur aktiven Rauschunterdrückung unter Verwendung der Analyse unabhängiger Komponenten Method for active noise cancellation using independent component analysis
08/13/2002US6434239 Anti-sound beam method and apparatus
08/13/2002US6433460 Apparatus and methods for cleaning and/or processing delicate parts
08/13/2002US6431908 Spring electrical connectors for a megasonic cleaning system
08/13/2002US6431310 Method for reducing the noise level of tobacco-processing machines with sound-damping line segments
08/08/2002WO2002061726A1 Sensor array processing
08/08/2002US20020105464 Partially coherent beamformer for sparse, irregular arrays
08/08/2002US20020104288 Panel with two-dimensional curvature
08/08/2002DE10105000A1 Verfahren zum Befüllen von Schalldämpfergehäusen mit Endlosfasern A method for filling silencer casings with continuous fibers
08/08/2002DE10103192A1 Gewichtsreduzierte Entdröhnungsfolie aus Aluminium Reduced weight Entdröhnungsfolie aluminum
08/07/2002EP1229515A2 Method and waveguides for changing the direction of longitudinal vibrations
08/07/2002EP1229514A2 Element with vibration-damping properties, material and method of manufacture
08/07/2002EP1228674A1 Apparatus for the redistribution of acoustic energy
08/07/2002EP1228667A2 Insert earphone assembly for audiometric testing and method for making same
08/07/2002EP1227977A1 Method and apparatus for minimizing the transmission of acoustic vibrations to a payload
08/07/2002EP1179103A4 Acoustical insulating barrier and method of making the barrier
08/07/2002EP0980573B1 Ultrasonic measuring instrument
08/07/2002EP0902943B1 Protective cover assembly having sound transmission characteristics
08/06/2002US6430295 Methods and apparatus for measuring signal level and delay at multiple sensors
08/06/2002US6428477 Delivery of theraputic ultrasound by two dimensional ultrasound array
08/01/2002WO2002060221A1 Acoustic resistor for hearing improvement and audiometric applications, and method of making same
08/01/2002WO2002060057A1 Asymmetric multichannel filter
08/01/2002WO2002059643A2 Spiral scanner with electronic control
08/01/2002WO2002059497A2 Neural net controller for noise and vibration reduction
08/01/2002WO2002059474A2 Assembly and method for fan noise reduction from turbofan engines using dynamically adaptive herschel-quincke tubes
08/01/2002WO2002039069A3 Coupling element for an ultrasonic flowmeter
08/01/2002US20020103436 Intelligent transcranial doppler probe
08/01/2002US20020101135 Method and device for noise damping
07/2002
07/31/2002EP1227582A2 Solidly mounted multiresonator bulk acoustic wave filter with a patterned acoustic mirror
07/31/2002EP1227581A2 Bulk acoustic wave resonator with a conductive acoustic mirror
07/31/2002EP1226741A1 Acoustic element
07/31/2002EP1226573A1 Active noise cancellation system with integrated horn function
07/31/2002EP0928480B1 Active control of acoustic output in gradient coils
07/31/2002CN1361871A Ultrasound probe with integrated electronics
07/31/2002CA2333788A1 Acoustic engine
07/30/2002US6426380 Forming addition-crosslinked silicone rubber absorber material via curing mixture of polysiloxane and hardener; dehydrogenation; preventing hydrogen accumulation in semiconductor array/wafer within hermetically sealed housing
07/30/2002US6425870 Method and apparatus for a motorized multi-plane transducer tip
07/25/2002WO2002057616A1 Silencer with a plurality of resonance chambers
07/25/2002WO2002011117A3 Method and device for hybrid noise damping