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)
04/2004
04/08/2004US20040065500 Acoustic reproduction device with improved directional characteristics
04/08/2004DE10245295A1 Vibrationally excitable component assembly comprising, in particular, the rotor and impeller of a cooler fan, includes a damping element located in an air gap between the rotor and the impeller
04/07/2004EP1405301A2 Variable multi-dimensional apodization control for ultrasonic transducers
04/07/2004EP0914253A4 Simultaneous amplitude and force profiling during ultrasonic welding of thermoplastic workpieces
04/07/2004EP0725596B1 Drive shaft for acoustic imaging catheters
04/06/2004US6716174 Flexible geometry for real-time ultrasound volume imaging
04/06/2004US6716173 Ultrasonic imaging method and ultrasonic imaging apparatus
04/06/2004CA2261682C Ultrasonic device for inspection of metal parts
04/06/2004CA2107525C Method and apparatus for acoustic examination using time reversal
04/01/2004WO2004027751A1 Method for reducing the noise level of an aviation engine and system for carrying out said method
04/01/2004WO2004027750A1 Masking an objectionable audio artifact in a mobile phone
04/01/2004WO2004026573A1 Corrugated engineering plastic cardboard
04/01/2004WO2004012952A3 Sound-damping profiled member
04/01/2004WO2003090202A3 Method of assembling and checking a double-resonator acoustic panel with a honeycomb core
04/01/2004US20040064048 Flexible geometry for real-time ultrasound volume imaging
04/01/2004US20040061599 Sensor and anchoring device
04/01/2004US20040060771 Embodiments of aperiodic tiling of a single asymmetric diffusive base shape
04/01/2004US20040060768 Constant directivity acoustic horn
04/01/2004US20040060767 Acoustic waveguide system
04/01/2004US20040060280 Acoustic-structural LPC splitter
04/01/2004DE202004000498U1 Method for sound proofing surfaces by applying granulated rubber with a binder directly onto the surfaces followed by a sealing layer
04/01/2004DE10336101A1 Ultrasound transmit pulser system for echocardiography application, has one transistor connected with transducer element and an amplifier input, and another transistor connected with transducer element and power source
04/01/2004DE10235809B3 Sound-protecting element used for walls or ceilings in buildings consists of a liquid-filled sandwich plate having two external limits formed by hard surfaces
04/01/2004CA2499401A1 Corrugated engineering plastic cardboard
03/2004
03/31/2004EP1403486A2 Acoustic-structural LPC splitter
03/31/2004EP1261961B1 Methods and systems for noise reduction for spatially displaced signal sources
03/31/2004CN1143997C Structure and method for reducing noise from out-door unit of air conditioner
03/31/2004CN1143995C Silencer and air conditioner
03/30/2004US6713167 Multilayer product, its use for the production of light, acoustic-insulated, self-supporting articles and articles obtained with said multilayer product
03/30/2004US6712765 Ultrasonic scanning method and apparatus
03/30/2004US6711953 Method of and apparatus for controlling beams produced by a cylindrical transducer
03/30/2004CA2140755C Process and device for sifting, sorting, screening, filtering or sizing substances
03/25/2004WO2004024440A1 Improved sound absorbing material and process for making
03/25/2004WO2003068563A3 Soundproofing method, a soundproofing part and the corresponding assembly
03/25/2004WO2003065345A3 Sealing and sound-proofing panel for a motor vehicle
03/25/2004US20040059251 Method and apparatus for treatment of monofrequency tinnitus utilizing sound wave cancellation techniques
03/25/2004US20040059221 Ultrasonic imaging system and method
03/25/2004US20040057584 Noise control apparatus
03/25/2004DE19826175B4 Verfahren und Vorrichtung zur Beeinflussung möglicher Körperschalleitungen und ggf. Geräuschabstrahlungen von Gegenständen Method and apparatus for influencing the possible impact sound lines and possibly noise radiation from objects
03/25/2004DE19706645B4 Vorrichtung und Verfahren zur Reduzierung von Schnarchgeräuschen und schlafbezogenen Atmungsstörungen mit Antischall Apparatus and method for reducing snoring and sleep-disordered breathing with anti-noise
03/25/2004DE10241978A1 Noninflammable, moisture regulated and sound absorbing mold parts useful as noninflammable and sound insulating wall and roof coverings and having good electromagnetic screening properties
03/25/2004CA2498738A1 Improved sound absorbing material and process for making
03/24/2004EP1401183A1 Method and device for echo cancellation
03/24/2004EP1400950A2 Noise reduction apparatus performing active noise control
03/24/2004EP1257997B1 A device for active sound control in a space
03/24/2004EP1179103B1 Acoustical insulating barrier
03/24/2004EP1119293A4 Hand held ultrasonic diagnostic instrument
03/24/2004EP0809900B1 An adaptive noise cancelling arrangement, a noise reduction system and a transceiver
03/23/2004US6711267 Method and apparatus for processing sound
03/23/2004US6710510 Method and apparatus for modifying acoustic wave characteristics
03/23/2004US6709395 System and method for electronically altering ultrasound scan line origin for a three-dimensional ultrasound system
03/23/2004US6709285 Electric connecting elements for piezoelectric plates
03/18/2004WO2004022931A1 Active vent noise reduction device for use with an exhaust or intake pipe
03/18/2004WO2004022645A1 Damping material
03/18/2004WO2004022298A1 Sound-insulating material and method for the production thereof
03/18/2004WO2004021887A1 Ultrasonic probe
03/18/2004US20040053003 Thermoformable acoustic sheet
03/18/2004US20040052160 Naval-hull mounted sonar for naval ship
03/18/2004US20040050619 Sound absorbing material and process for making
03/18/2004US20040050166 Phased array ultrasonic inspection method for industrial applications
03/18/2004US20040050140 Loading probe for testing an acoustic transducer
03/18/2004DE4446080B4 Schallabsorptionssystem für Kraftfahrzeuge A sound absorption system for motor vehicles
03/18/2004DE4438813B4 Schalldämmplatte Soundproofing
03/18/2004DE19901866B4 Klangkörper mit einer Kugelschallquelle Sound body with a spherical sound source
03/18/2004CA2485948A1 Ultrasonic probe
03/17/2004EP1398627A2 Phased array ultrasonic inspection method for industrial applications
03/17/2004EP1398473A1 Acoustic attenuation layer for an acoustic attenuation panel, and a panel with such a layer
03/17/2004EP1397273A1 Sound absorptive protective mat
03/17/2004CN1482596A Method and system for noise reduction
03/17/2004CN1481759A Ultrasound transmit pulser with receive interconnection and method of use
03/17/2004CN1142060C Sound absorptive article and method for producing said article
03/16/2004US6706367 Adhesive connection between an adhesion surface of a body and a corresponding adhesion surface on the outside of a machine housing
03/16/2004US6705997 Signal processing circuit and ultrasound doppler apparatus
03/16/2004US6705995 Method and apparatus for 1D array ultrasound probe
03/16/2004CA2204298C Circularly symmetric, zero redundancy, planar array having broad frequency range applications
03/11/2004WO2004021044A1 An ultrasound transceiver system for remote operation through a minimal number of connecting wires
03/11/2004WO2003023760A3 Non-cylindrical acoustic wave device
03/11/2004US20040047464 Adaptive noise cancelling microphone system
03/11/2004US20040045767 Assembly and method for fan noise reduction from turbofan engines using dynamically adaptive herschel-quincke tubes
03/11/2004US20040045766 Acoustically resistive layer for an acoustical attenuation panel, panel using such a layer
03/10/2004EP1397021A1 Vehicle-mounted stereophonic sound field reproducer/silencer
03/10/2004EP1396172A2 Wideband transducer
03/10/2004EP1157372B1 Method for making a sound reducing panel with resistive layer having structural property and resulting panel
03/10/2004CN1141566C Vabration pickup with press sheath
03/09/2004US6704428 Automatic turn-on and turn-off control for battery-powered headsets
03/09/2004US6702914 Method for fabricating non-fiberglass sound absorbing moldable thermoplastic structure
03/09/2004US6702063 Surface material and method of suppressing influence of surface wave
03/09/2004US6702061 Environmentally protected microphone for an active noise control system
03/04/2004WO2002100287A3 Dental treatment noise suppression
03/04/2004WO2002098643A3 Multidensity liner/insulator
03/04/2004DE10337482A1 Aktives Rauschsteuersystem mit modifiziertem Spektralformungsweg Active noise control system with modified Spektralformungsweg
03/04/2004DE10203387B4 Ultraschall-Hindernisdetektor und Verfahren zu dessen Zusammenbau Ultrasonic obstacle detector and method for its assembly
03/03/2004EP1394538A1 Ultrasound low frequency composition converter provided with mode switch
03/03/2004EP1392547A1 Under carpet heat shield and floor pan insulator
03/03/2004EP1141936B1 Controlled acoustic waveguide for soundproofing
03/03/2004EP1104497B1 Heat and sound insulating shroud for the engine compartment of motor vehicles
03/03/2004CN1479917A Ultrasonic transducer and ultrasonic flowmeter
03/03/2004CN1479699A Dual layer acoustical ceiling tile having improved sound absorption value
03/03/2004CN1478676A Sound insulation assemble in tubular piece, tubular piece mounted with the assembly, especially vehicle fittings
03/03/2004CN1478440A Separation of and used method for transmitting and recieving in ultrasonic scanning