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)
07/2004
07/06/2004US6758094 Ultrasonic transducer wafer having variable acoustic impedance
07/01/2004WO2004055941A1 Device for generating delays for beam synthesis apparatus
07/01/2004US20040124746 Acoustic matching layer, ultrasonic transmitter/receiver, and ultrasonic flowmeter
07/01/2004US20040124739 Apparatus and method of generating directional acoustic wave
07/01/2004US20040123666 Ultrasonic damping material
07/01/2004DE10260527A1 Acoustic covering for automobile body components assembled from individual surface elements fitted together to match shape of body component
07/01/2004DE10260118A1 Ultraschallsensor und Herstellungsverfahren Ultrasonic sensor and production method
07/01/2004DE10259099A1 Schallwandler für ein Kraftfahrzeug Acoustic transducer for a motor vehicle
06/2004
06/30/2004EP1434462A2 Vibration propagation suppressing structure
06/30/2004EP1434196A1 Method of making a sound insulator with varying thickness
06/30/2004EP1432595A1 Acoustic transducer head, acoustic transducer provided with said head and method for acoustic transduction, in particular for a motor vehicle
06/29/2004US6755796 Pressure-pulse therapy apparatus
06/29/2004US6755280 Method for producing a panel comprising an adapted acoustically resistive layer and panel so obtained
06/24/2004WO2004053833A1 Ultralight trim composite
06/24/2004WO2004052608A1 Acoustic articles utilizing isocyanate binders and methods of making same
06/24/2004WO2004052075A2 Improved efficiency audible alarm
06/24/2004US20040122614 Noise controller for controlling noise and method of removing noise
06/24/2004US20040121691 first layer of cotten shoddy, a second layer of absorptive material attached to said first layer; and a third layer of covering material attached to said second layer; applicable to auto body and aircraft panels
06/24/2004DE20302882U1 Vorrichtung zur Formgestaltung von Schallwellen An apparatus for shaping of sound waves
06/24/2004DE19749134B4 Vorrichtung zum aktiven Dämpfen einer Schwingung und Verfahren zum Identifizieren einer Übertragungsfunktion bei einer solchen Vorrichtung A device for actively damping a vibration and method for identifying a transfer function in such a device
06/24/2004DE19606083B4 Verzögerungsleitung für einen Ultraschallmeßfühler und Verfahren zur Verwendung desselben The same delay line for a Ultraschallmeßfühler and methods of use
06/24/2004DE10052093B4 Verwendung von Schallerzeugern in Fensterrahmen zur Schalldämmung Use of sound generators in window frames for soundproofing
06/24/2004CA2505891A1 Ultralight trim composite
06/23/2004EP1431957A2 Ultrasound sensor and method of manufacture
06/23/2004EP1431536A1 Acoustic transducer for a motor vehicle
06/23/2004EP1430838A1 Ultrasonic probe
06/23/2004EP1430473A1 Sound-shielding, soundproofing and/or sound-absorbing device, use thereof and production of the same
06/23/2004EP0707453B1 Ultrasonic apparatus for intravascular imaging
06/23/2004CN1154545C Ultrasonic transducer
06/22/2004US6754353 Non-interference zones generated by acoustic wave cancellation system
06/22/2004US6754352 Sound field production apparatus
06/22/2004US6752815 Method and waveguides for changing the direction of longitudinal vibrations
06/22/2004US6752240 Sound attenuator for a supercharged marine propulsion device
06/17/2004WO2004050355A1 A process for the manufacturing of a thermosetting laminate
06/17/2004WO2004050280A1 A process for the manufacturing of a thermosetting laminate
06/17/2004WO2004012931A3 Acoustical insulation laminate with polyolefin layer and process for making
06/17/2004US20040114768 System and method for noise cancellation
06/17/2004US20040113523 Acoustic matching layer, ultrasonic transducer, method of making the acoustic matching layer, method for fabricating the ultrasonic transducer, and ultrasonic flowmeter
06/17/2004US20040113522 Ultrasonic transmitter-receiver and ultrasonic flowmeter
06/17/2004DE202004005746U1 Compressed air sound damping system for a pneumatic component has a through-channel with a constant flow cross-section over its whole length
06/17/2004DE10256946A1 Sound absorption panel has contiguous lines of drilled perforations and straight line grooves.
06/16/2004EP1428656A1 Ultralight trim composite
06/16/2004EP1428474A1 Ultrasonic imaging system and method
06/16/2004CN1505811A Networked sound masking and paging system
06/15/2004US6751602 Neural net controller for noise and vibration reduction
06/15/2004US6749929 Heat-insulating and soundproofing lining for an engine compartment of a motor vehicle
06/10/2004WO2004048085A1 Laminated structural body
06/10/2004WO2004015428A3 Combined speed and depth transducer for marine applications
06/10/2004US20040110438 Blending isocyanate binder with scrap material to produce a mixture;forming the mixture into a flat panel, compressing the flat panel in a three dimensional mold to form an acoustic article having a three dimensional contour; removing
06/10/2004US20040108162 Sound level adjustable muffler
06/09/2004EP1426788A2 Transducer and mounting for transducer in an acoustic logging apparatus
06/09/2004EP1426511A1 Soundabsorbing device
06/09/2004EP1425505A1 Fluid guideline, especially in the form of a tube for taking up untreated air in an air filter of a motor vehicle
06/09/2004EP1425165A1 Vibration damping material and vibration damper
06/09/2004EP1117965B1 Reactive silencer for industrial air channels and its use
06/09/2004DE10037001B4 Schalldämpfungselement für Strömungsmittel Silencing element for fluid
06/08/2004US6748087 Headset with ear cushion and means for limiting the compression of the cushion
06/08/2004US6747584 Aggregate beamformer for use in a directional receiving array
06/03/2004WO2004047482A2 A high intensity directional electroacoustic sound generating system for communications targeting
06/03/2004WO2004047073A2 Method and device for cooling ultrasonic transducers
06/03/2004WO2004046751A1 System, method and machine readable program for performing ultrasonic fat beam transmission and multiline receive imaging
06/03/2004WO2004045843A2 Soundproof thermal shield
06/03/2004US20040106880 Use of focused ultrasound for vascular sealing
06/03/2004US20040104070 Speaker's damper with lead wire and guide sleeve
06/03/2004DE202004000347U1 Hearing aid is in form of flexible tube having combinations of multiple or single inputs and outputs.
06/03/2004DE10249931B3 Compound acoustic insulation, laminated to a metal plate carrier for later shaping, is composed of a prepared compound film with a metal foil and adhesive layers and a plastics film
06/03/2004DE10231238B4 Geräuschdämpfungsvorrichtung Noise attenuation device
06/03/2004DE10013120B4 Niederfrequente Ultraschallvorrichtung Low-frequency ultrasound device
06/02/2004EP1424683A1 Method and apparatus for acoustic, particularly ultrasonic beamforming, especially designed for ultrasonic imaging
06/02/2004EP1423736A1 Concentrating seismic energy in a selected target point in an underground formation
06/02/2004EP1131502B1 Noise attenuation device
06/02/2004CA2449392A1 Sound level adjustable muffler
06/01/2004US6744903 Multiple damping device of speaker system for video display equipment
06/01/2004US6744694 Gaseous cavity for forward-looking sonar quieting
05/2004
05/27/2004WO2004045244A1 Adaptative noise canceling microphone system
05/27/2004WO2002063605A8 A device and a method for active acoustical attenuation of noise radiating from an essentially cylindrically shaped component and use of said device
05/27/2004US20040102708 Micro-machined ultrasonic transducer (MUT) substrate that limits the lateral propagation of acoustic energy
05/27/2004US20040101150 Piezoelectric driver device with integral sensing layer
05/27/2004US20040100163 Method for making electrical connection to ultrasonic transducer through acoustic backing material
05/27/2004US20040099477 Sound absorbent
05/27/2004US20040099476 Sound absorbing material
05/27/2004US20040099474 Secondary acoustic attenuator for vehicle
05/27/2004US20040099473 Acoustic resistor for hearing improvement and audiometric applications, and method of making same
05/27/2004DE10254894B3 Cooling device for ultrasonic transducers has cooling fluid passed through flow channels at defined pressure for reducing or preventing cavitation
05/27/2004DE10253832A1 Sound absorbing heat shield for motor vehicles to protect chassis from heat, and suppress sound emitted by exhaust silencers is formed entirely of aluminum materials.
05/27/2004DE10232291B4 Vorrichtung und Verfahren zur aktiven Schallbekämpfung sowie Triebwerk für Flugzeuge Apparatus and method for active noise reduction and engine for aircraft
05/27/2004DE10107391B4 Schallschutzraum Soundproof room
05/26/2004EP1421232A2 Multidensity liner/insulator
05/26/2004EP1232023B1 Ultrasonic transducer
05/26/2004CN1151703C Multi-stage turbulent-flow shielding can for microphone
05/25/2004US6741707 Method for tuning an adaptive leaky LMS filter
05/25/2004US6740034 Three-dimensional ultrasound imaging system for performing receive-focusing at voxels corresponding to display pixels
05/25/2004US6739425 Evacuated enclosure mounted acoustic actuator and passive attenuator
05/25/2004CA2263023C Acoustic panel and production process
05/21/2004WO2004043111A2 Mountable sound pressure level meter
05/21/2004WO2004042421A1 Method and apparatus for automatically setting the transmit aperture and apodization of an ultrasound transducer array
05/21/2004WO2004041138A1 Method for the direct backfoaming of absorber systems
05/20/2004US20040094360 Acoustic dumper for exhaust system
05/20/2004US20040094112 Sound transmission device for a motor vehicle
05/20/2004US20040093696 Use of a vegetal or plant fiber