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