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)
02/2005
02/02/2005EP1246753A4 Acoustic absorption polymers and their methods of use
02/02/2005CN2676353Y Ultrasonic focusing processing unit
02/02/2005CN1573919A Active noise control system
02/02/2005CN1573918A Apparatus for and method of actively controlling vibratory noise, and vehicle with active vibratory noise control apparatus
02/02/2005CN1573917A Active vibratory noise control apparatus
02/02/2005CN1573916A Active vibratory noise control apparatus
02/02/2005CN1572257A Method of sector probe driving and ultrasound diagnostic apparatus
02/02/2005CN1187661C Device capable immersing and containing sound transducer
02/01/2005US6849053 Shock wave source with a wave damping coil carrier
02/01/2005US6848410 Sound transmission device for a motor vehicle
02/01/2005US6848352 Pneumatic brake booster with reduced noise levels
01/2005
01/27/2005WO2005009075A1 Ultrasonic transmitter-receiver
01/27/2005WO2005008272A2 Systems and methods implementing frequency-steered acoutic arrays for 2d and 3d imaging
01/27/2005US20050019590 Vibration damping material and vibration damper
01/27/2005US20050018540 Integrated portable ultrasound imaging system
01/27/2005US20050017599 Apparatus, circuitry, signals and methods for cleaning and/or processing with sound
01/27/2005US20050016793 Acoustically effective rear parcel shelf
01/27/2005US20050016281 Acoustic transducer
01/27/2005DE20314143U1 Noise absorption concrete panel incorporates a combination of organic and inorganic wastes
01/27/2005DE10345575B3 Acoustic and thermal insulation, in a board structure, has a number of layers with woven materials of metal warp and weft filaments bonded together at their contact points leaving open pores
01/27/2005DE10327633A1 Three-dimensional sound absorbing body has fixed individual elements in serrated array.
01/27/2005CA2530290A1 Systems and methods implementing frequency-steered acoustic arrays for 2d and 3d imaging
01/26/2005EP1501074A2 Piezoelectric vibrator
01/26/2005EP1500494A2 Composite material with improved damping characteristics and method of making same
01/26/2005EP1500370A1 Ultrasonograph
01/26/2005CN2674601Y Movable sound insulation screen
01/26/2005CN2674600Y Noise silencer
01/25/2005US6847722 Method and equipment for attenuating sound in a duct
01/25/2005US6847721 Active noise control system with on-line secondary path modeling
01/25/2005US6847588 Method for changing the frequency for sampling sonar wavefronts
01/25/2005US6846365 Using high frequency sound waves; suppression of hydrodynamic cavitation
01/25/2005US6846284 Method and apparatus for treatment of mono-frequency tinnitus
01/21/2005CA2475280A1 Sound attenuating cover for domestic air conditioner compressors
01/20/2005US20050015024 Ultrasonic method and device for lypolytic therapy
01/20/2005US20050015011 Motorized multiplane ultrasound probe
01/20/2005US20050014007 Soundproofing laminated window for vehicles
01/20/2005US20050013457 Electromechanical acoustic liner
01/20/2005US20050013447 Supplying electrical power
01/20/2005US20050011699 Muffler
01/20/2005DE10329486A1 Motor vehicle with noise reduction and audio system, has coating of sound damping material applied to inside wall of motor vehicle body
01/19/2005EP1499159A2 Active noise suppression in hearing-aids
01/19/2005EP1499017A2 Electrical power supply
01/19/2005EP1498584A1 Muffler
01/19/2005EP1497092A1 Improved vehicular structural members and method of making the members
01/19/2005EP0935798B1 Ultrasonic buffer/waveguide
01/19/2005CN1568421A Acoustic matching layer, ultrasonic transmitter/receiver, and ultrasonic flowmeter
01/18/2005US6845162 Device for active sound control in a space
01/13/2005WO2005004536A1 Sound collector and hearing improving device using this
01/13/2005WO2005003422A1 Fiber sheet and its molding
01/13/2005WO2005003225A1 Filled blends of tubular reactor produced ethylene/alkyl acrylate copolymers modified with organic acids
01/13/2005WO2004082319A3 Acoustic element consisting of composite foam
01/13/2005US20050010112 Ultrasound assembly with increased efficacy
01/13/2005US20050010111 Ultrasound method and apparatus for multi-line acquisition
01/13/2005US20050008181 Acoustic waveguide for controlled sound radiation
01/13/2005US20050007882 Systems and methods implementing frequency-steered acoustic arrays for 2D and 3D imaging
01/13/2005US20050006985 Short-circuit noise abatement device and method for a gas ultrasonic transducer
01/13/2005US20050006173 Sound insulation system
01/12/2005EP1495463A1 Active noise control system in unrestricted space
01/12/2005EP1495214A1 Exhaust chamber comprising an envelope defining a gas circulation passage
01/12/2005EP1127239B1 Ventilation assemblies
01/12/2005CN2671071Y Crawler acoustic reflective board
01/12/2005CN1565016A Method for reproducing sound signals and sound reproducing system
01/12/2005CN1565015A Method for canceling unwanted loudspeaker signals
01/12/2005CN1184852C Acoustic transmission connection, headset with acoustic transmission connection, and uses of acoustic transmission connection
01/12/2005CN1184474C Method and apparatus for providing dynamically variable time delay for ultrasound beamformer
01/11/2005US6842401 Sonar beamforming system
01/11/2005US6842088 Thin film acoustic resonator and method of producing the same
01/11/2005US6840349 Multi-component acoustically resistive layer for acoustical attenuation panel and panel thus obtained
01/11/2005US6840107 Acoustic microscope
01/06/2005WO2005001510A1 Two-dimensional transducer arrays with beam controlling for improved field of view
01/06/2005WO2005001398A2 Arrangement for creating user detected vibration with low mass actuator
01/06/2005WO2004064619A3 Ultrasound imaging beam-former apparatus and method
01/06/2005US20050004459 Ultrasonic imaging method and apparatus
01/06/2005US20050003869 Arrangement for creating user detected vibration with low mass actuator
01/06/2005US20050002541 Acoustic resistor for hearing improvement and audiometric applications, and method of making same
01/06/2005US20050001517 Composite backing layer for a downhole acoustic sensor
01/06/2005US20050001510 Uniform energy megasonic transducer using vessel as resonator
01/06/2005US20050000751 Acoustic attenuation materials
01/05/2005EP1005628A4 Ultrasonic transducer for high transduction in gases and method for non-contact ultrasound transmission into solid materials
01/04/2005US6839439 Method and apparatus for active noise control in an air induction system
01/04/2005US6839303 Matched filter, receiving beam-forming apparatus and sonar system
01/04/2005US6837856 Ultrasonic search unit and method for producing the same
01/04/2005US6837334 Acoustic horn
01/04/2005US6837110 Micro-machined ultrasonic transducer (MUT) substrate that limits the lateral propagation of acoustic energy
12/2004
12/30/2004US20040267135 Ultrasound diagnosis apparatus
12/30/2004US20040267126 Ultrasound diagnosis apparatus
12/30/2004US20040266927 For use in thermoplastic sound proofing, carpets, automotive carpets, having backside coatings
12/30/2004US20040264707 Steering of directional sound beams
12/30/2004US20040264706 Tuned feedforward LMS filter with feedback control
12/30/2004US20040262076 Fluid guideline, especially in the form of a tube for taking up untreated air in an air filter of a motor vehicle
12/30/2004US20040262075 Ultrasonic amplifier or horn
12/30/2004DE102004027796A1 Verfahren zur Ansteuerung einer Sektorsonde und Ultraschalldiagnosevorrichtung A method for driving a sector probe and ultrasonic diagnostic apparatus
12/29/2004WO2004113852A2 Sound focusing mechanism and method of estimating acoustic leakage
12/29/2004WO2004057910A3 Sound projector
12/29/2004EP1492082A1 Resin film coated heat insulating and sound absorbing material, and method and equipment for manufacturing the material
12/29/2004EP1491914A2 Ultrasound diagnosis apparatus comprising a 2D transducer with variable subarray shape pattern
12/29/2004EP1491913A2 Ultrasound diagnosis apparatus comprising a 2D transducer with variable subarrays
12/29/2004EP1491327A1 Hollow structure plate, manufacturing method thereof, manufacturing device thereof, and sound absorbing structure plate
12/29/2004EP1280658A4 Baffle and reinforcement assembly
12/29/2004EP1177094B1 Flat multilayer damping element and method for fastening this element to a metal sheet to be sound deadened