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)
11/2002
11/27/2002EP0965122B1 Method to produce sound-proofing panels or surfaces for interiors
11/26/2002US6487324 Stepped acoustic impedance-matching transformer for very narrow channel acoustic traveling wave lens waveguide
11/26/2002US6486751 Increased bandwidth thin film resonator having a columnar structure
11/26/2002US6485425 Apparatus and method of holding and manipulating small ultrasound transducers
11/26/2002US6484845 Method and system for influencing possible structure-borne sound conductions and possible noise radiations of objects
11/26/2002US6484581 Ultrasonic transceiver and vehicle's surrounding obstruction sensor
11/21/2002WO2002093549A1 Thin film acoustic resonator and method of manufacturing the resonator
11/21/2002WO2002093548A2 Static focus ultrasound apparatus and method
11/21/2002US20020173722 Focus correction for ultrasound imaging through mammography compression plate
11/21/2002US20020173573 Mixture of piezoelectric flakes in polymer matrix
11/21/2002US20020171331 Apparatus and methods for cleaning and/or processing delicate parts
11/21/2002DE10118187A1 Einrichtung zum Gestalten der Akustik eines Raumes Means for forming the acoustics of a room
11/20/2002EP1258990A2 Method and system for wafer-level tuning of bulk acoustic wave resonators and filters
11/20/2002EP1258713A2 Vibration monitoring system
11/20/2002EP1258347A2 Device for the protection of an article against damages
11/20/2002EP1257997A1 A device for active sound control in a space
11/20/2002EP1144185A4 Corrugated multilayer metal foil insulation panels and methods of making
11/20/2002CN1380488A Exhaust noise controller for internal combustion engine
11/19/2002US6483926 Floor impact noise suppressor in a multi-storied building
11/19/2002US6483923 System and method for adaptive interference cancelling
11/19/2002US6483778 Systems and methods for passively compensating transducers
11/19/2002US6483208 Linear motor
11/19/2002US6482160 High resolution 3D ultrasound imaging system deploying a multidimensional array of sensors and method for multidimensional beamforming sensor signals
11/19/2002US6481527 Methods and apparatus for attenuating noise from a cabinet that houses computer equipment
11/19/2002US6481493 Arrangement for heat discharge, particularly for ultrasonic transducers with high performance
11/19/2002CA2167917C Therapy and imaging probe and therapeutic treatment apparatus utilizing it
11/14/2002WO2002091353A1 Anti noise system and method using broadband radiation modes
11/14/2002WO2002090972A1 Ultrasound low frequency composition converter provided with mode switch
11/14/2002WO2002065447A3 Sound absorbing foam
11/14/2002US20020168071 Active noise cancellation for a vehicle induction system having selectable engine noise profile
11/14/2002US20020166721 Acoustic attenuator and method of attenuation of noise
11/14/2002DE10218473A1 Device for damping airborne sound generated, in particular, by operating units in a motor vehicle comprises base and cover plates provided with substantially coaxial openings different sizes
11/14/2002DE10123288A1 Ultrasonic device for cleaning or assisting chemical processes in treatment baths, has system for balancing out pressure of transfer medium
11/13/2002EP1256930A2 Active noise cancellation for a vehicle induction system having selectable engine noise profile
11/13/2002EP1256259A1 Acoustically asymmetric bandpass loudspeaker with multiple acoustic filters
11/13/2002EP1006896A4 Transducer assembly and method for coupling ultrasonic energy to a body for thrombolysis of vascular thrombi
11/12/2002US6480609 Apparatus for suppressing structure borne noises
11/12/2002US6478110 Vibration excited sound absorber
11/07/2002WO2002089110A1 Silencer
11/07/2002WO2002087904A1 Self-contained resonator for vehicle wheel
11/07/2002WO2002052542A3 Method and arrangement for processing a noise signal from a noise source
11/07/2002US20020164274 Flowthrough device for the ultrasonic destruction of microorganisms in fluids
11/07/2002US20020164038 Method and apparatus for actively influencing the intake noise of an internal combustion engine
11/07/2002DE10149975A1 Protective covering for object, comprises textile layer, with sheet calendered onto it and facing object
11/07/2002DE10121683A1 Design cover for components in engine compartment has stiff backing layer positioned on component side and foam layer on side facing away from respective components, with thin design layer on this side
11/07/2002DE10117440A1 Sound protection bonnet, especially for use in a hairdressers has an improved positioning system with infrared sensors, a feedback mechanism and a telescopic support frame that allows the bonnet to be easily positioned
11/06/2002EP1254669A1 Flow through device for the ultrasonic destruction of micro organisms in fluids
11/06/2002EP0993596B1 Vibration pickup with pressure sheath
11/06/2002CN2519981Y Silencer equipment
11/06/2002CN1378021A Sound absorption and insualtion section with cultivator on surface
11/06/2002CN1377630A Signal processing circuit and supersonic Doppler device
11/05/2002US6476541 Optically controlled ultrasonic sensor
11/04/2002CA2374246A1 Flowthrough device for the ultrasonic destruction of microorganisms in fluids
10/2002
10/31/2002WO2002054732B1 Speech scrambling attenuator for use in a telephone
10/31/2002US20020161301 Matching layer having gradient in impedance for ultrasound tranducers
10/31/2002US20020160131 Has excellent capability of absorbing and damping energy such as dynamic, thermal, optical, or electric energy; base material contains a moment activator which can increase amount of dipole moments in base material
10/31/2002US20020159336 Baffled ring directional transducers and arrays
10/31/2002US20020157897 Device for noise configuration in a motor vehicle
10/31/2002US20020157764 Method for making a sound reducing panel with resistive layer having structural property and resulting panel
10/31/2002DE10119867A1 Unterwasserantenne Underwater antenna
10/30/2002EP1253713A2 Controlled effective coupling coefficients for film bulk acoustic resonators
10/30/2002EP1253666A2 Underwater antenna
10/30/2002EP1253048A2 Sound proofing cover for vehicle
10/30/2002EP1252012A1 Acoustical wall board and wall system
10/30/2002EP1090387B1 Method for applying an attenuating coating on surface wave components
10/30/2002CN1377026A Sound gathering and absorbing element
10/29/2002US6472954 Controlled effective coupling coefficients for film bulk acoustic resonators
10/29/2002US6471653 Transesophageal ultrasound probe with motor in the tip for scan-plane rotation
10/29/2002US6471652 Ultrasonic diagnostic imaging system transducer array with multiline patches
10/29/2002US6471650 Three dimensional ultrasonic diagnostic imaging with high density hexagonal acquisition
10/29/2002CA2222764C Sound absorbing article and method of making same
10/24/2002WO2002084642A1 Sound attenuation panel comprising a resistive layer with reinforced structural component
10/24/2002WO2002083461A1 Acoustic tile and its use in vehicle sound proofing
10/24/2002WO2002059643A3 Spiral scanner with electronic control
10/24/2002US20020156379 Wide or multiple frequency band ultrasound transducer and transducer arrays
10/24/2002US20020154425 Acoustic mirror and method for producing the acoustic mirror
10/24/2002US20020153965 Controlled effective coupling coefficients for film bulk acoustic resonators
10/24/2002US20020153806 Megasonic transducer with focused energy resonator
10/24/2002US20020153805 Optically controlled ultrasonic sensor and method of manufacture
10/24/2002US20020153199 Sound absorbing foam
10/24/2002US20020153198 Apparatus for controlling exhaust gas in internal combustion engine
10/24/2002US20020153181 Ventilable Silencer Unit for Vehicle
10/23/2002EP1251246A2 Apparatus for controlling exhaust gas in internal combustion engine
10/23/2002EP1251001A1 Thermoformed sound or thermal insulation panel
10/23/2002EP1250592A1 Acoustic sensor module design and fabrication process
10/23/2002EP1099045B1 Device and method for reducing the noise emissions of internal combustion engines and for diagnosing the same
10/22/2002US6468220 Echography probe and accessories
10/22/2002US6468216 Ultrasonic diagnostic imaging of the coronary arteries
10/22/2002US6467138 Integrated connector backings for matrix array transducers, matrix array transducers employing such backings and methods of making the same
10/17/2002WO2002082859A1 Electromechanical acoustic liner
10/17/2002WO2002082422A2 Active noise cancelling headset and devices with selective noise suppression
10/17/2002WO2002044753A3 Systems and methods for focussing an acoustic energy beam transmitted through non-uniform tissue medium
10/17/2002US20020150261 Networked sound masking system
10/17/2002US20020150260 Low frequency active noise control
10/17/2002DE10118058A1 Hydraulic machine tool used as a gearwheel machine comprises a housing and a housing cover formed from layers joined together
10/17/2002DE10116169A1 Device to transmit sound from IC engine intake train to interior of motor vehicles has second membrane parallel to first one and closer to intake train
10/16/2002EP1249829A2 Low frequency active noise control
10/16/2002EP1249828A2 Device for shaping the acoustics of a room
10/16/2002EP1249827A1 Acoustic column and cylindrical antenna for passive sonar device using such a column
10/15/2002US6466673 Intracranial noise suppression apparatus