Patents
Sitemap › G10 - Musical instruments; Acoustics › G10K - Sound-producing devices; methods or devices for protecting against, or for damping, noise or other acoustic waves in general; Acoustics not otherwise provided 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
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)
12/2003
12/03/2003CN2590122Y Celotex board for petroleum drilling
12/03/2003CN1129401C Ultrasonic diagnostic equipment
12/02/2003US6658118 Suppression of fluid-borne noise
12/02/2003US6656136 Use of focused ultrasound for vascular sealing
12/02/2003CA2210175C Generator sound shield
11/2003
11/27/2003WO2003098595A1 Wide band sound diffuser with self regulated low frequency absorption and methods of mounting it
11/27/2003WO2003098594A1 Active noise control system with an elongated transmission member
11/27/2003US20030220592 Apparatus and method for producing bipolar acoustic pulses
11/27/2003US20030220554 Two-dimensional ultrasonic array with asymmetric apertures
11/27/2003US20030219133 Sound masking system
11/27/2003US20030219132 Multi-channel active control system and method for the reduction of tonal noise from an axial fan
11/27/2003US20030219131 Noise cancellation device, engine-noise cancellation device, and noise cancellation method
11/26/2003EP1365120A1 Acoustic transducer for motor vehicle
11/26/2003EP1364363A2 Networked sound masking and paging system
11/26/2003CN1458808A Sound matching part, supersonic transducer, supersonic flow meter and its producing method
11/26/2003CN1458644A Sound insulation plate
11/26/2003CN1128711C Shaped multiplayer metal foil shield structures and method of making
11/25/2003US6654467 Active noise cancellation apparatus and method
11/20/2003WO2003095267A2 Sound absorbing panel for a vehicle and its method of manufacture
11/20/2003WO2003088206A3 Internal lens system for loudspeaker waveguides
11/20/2003WO2003072644A3 Thermoplastic foam containing particulate additive
11/20/2003US20030215101 Active noise control system with an elongated transmission member
11/20/2003US20030215099 Active noise control for vehicle door noise
11/20/2003US20030214880 Frequency division beamforming for sonar arrays
11/20/2003US20030213305 Dynamically configurable ultrasound transducer with integral bias regulation and command and control circuitry
11/19/2003EP1363270A2 Active noise control for vehicle door noise
11/19/2003EP1363269A2 Acoustic matching member, ultrasonic transducer, ultrasonic flowmeter and method for manufacturing the same
11/19/2003EP1363268A2 Sensor, in particular an ultrasound sensor, and its method of manufacture
11/19/2003EP1362963A2 Soundproofing panel made of FRP (Fiber-Reinforced Polymer) composite with a sound-absorbing surface characterized by parallel longitudinal strips
11/19/2003EP1362889A1 Reusable materials made from recycled rubber, process for the preparation and use
11/19/2003EP1362756A1 Pneumatic brake booster with reduced noise
11/19/2003CN1128400C Sound generating device
11/18/2003US6649243 Baffle and reinforcement assembly
11/18/2003US6648750 Ventilation assemblies
11/18/2003US6648100 Method of tuning acoustical absorption in a vehicle interior
11/18/2003CA2136242C Underwater acoustic antenna having a surface sensor
11/13/2003WO2003092505A1 Ultrasonograph
11/13/2003US20030209384 Loudspeaker system with common low and high frequency horn mounting
11/13/2003US20030209136 Pneumatic brake booster with reduced noise levels
11/12/2003EP1360685A1 Ultrasound transducer and method of manufacturing an ultrasound transducer
11/12/2003EP1137899B1 Combustion device and method for burning a fuel
11/12/2003EP1088298B1 Sound reproduction equipment and method for reducing the level of acoustical reflections in a room
11/11/2003US6645586 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
11/11/2003US6645150 Wide or multiple frequency band ultrasound transducer and transducer arrays
11/11/2003US6644436 Device for noise configuration in a motor vehicle
11/06/2003WO2003091987A1 Sound absorbing body, sound absorbing structural body, and method of manufacturing these bodies
11/06/2003DE10235091C1 Compound acoustic component, for a motor vehicle, has a carrier layer bonded to an outer acoustic damping layer by a plasticized mass in a shaping press
11/06/2003DE10225072C1 Automobile floor covering has a carrier for pile tufts, where the longitudinal rows are secured by a zigzag back-stitching, and the lateral rows have alternating tufts and empty perforations
11/05/2003EP1358651A1 Manifold for a horn loudspeaker
11/05/2003CN1453765A Ultrasonic silencer
11/05/2003CN1126944C Seal sensor process
11/04/2003CA2154348C Ear defenders employing active noise control
10/2003
10/30/2003WO2003090202A2 Method of assembling and checking a double-resonator acoustic panel with a honeycomb core
10/30/2003WO2003089731A1 Gradient density padding material and method of making same
10/30/2003WO2003089221A1 Improved vehicular structural members and method of making the members
10/30/2003WO2003058600A3 Tunable or adjustable liner for selectively absorbing sound energy and related methods
10/30/2003WO2003047306A3 Radial power megasonic transducer
10/30/2003US20030204397 Method of compensating for beamformer steering delay during handsfree speech recognition
10/30/2003DE20309151U1 Sound absorbing moulding consists of an open pored and/or textile gas porous substrate which is impregnated with a binding agent and a hydrophobic and oleophobic agent
10/30/2003CA2482168A1 Improved vehicular structural members and method of making the members
10/30/2003CA2481727A1 Method of assembling and checking a double-resonator acoustic panel with a honeycomb core
10/29/2003EP1357543A2 Beamformer delay compensation during handsfree speech recognition
10/29/2003EP1357540A2 Calibration of a microphone for an active noise control system
10/29/2003EP1357539A1 Method of manufacture and assembly of an acoustic panel with a honeycomb core and a double-resonator
10/29/2003EP1356589A1 Asymmetric multichannel filter
10/29/2003EP1356450A1 Naval hull-mounted sonar for naval ship
10/29/2003EP1356169A1 Double layer acoustic liner and a fluid pressurizing device and method utilizing same
10/29/2003EP1356168A1 Acoustic liner and a fluid pressurizing device and method utilizing same
10/29/2003CN1452849A Dynamic enclosure
10/29/2003CN1451356A Beam forming system using analog random access memory
10/26/2003CA2426523A1 Method of compensating for beamformer steering delay during handsfree speech recognition
10/23/2003WO2003088207A1 Active noise control system in unrestricted space
10/23/2003WO2003088206A2 Internal lens system for loudspeaker waveguides
10/23/2003WO2003088205A2 A device for actuating a membrane and a vehicle comprising a device for actuating a membrane.
10/23/2003WO2003087547A1 Exhaust chamber comprising an envelope defining a gas circulation passage
10/23/2003WO2003069596A8 Soundproofing assembly and a part comprising a wall which is covered with said assembly
10/23/2003US20030200084 Noise reduction method and system
10/23/2003US20030199857 Apparatus and method for manipulating acoustic pulses
10/23/2003US20030199216 Gradient density padding material and method of making same
10/23/2003US20030198354 Microphone calibration for active noise control system
10/23/2003US20030196851 Multi-purpose headgear
10/22/2003EP1355294A1 Multicomponent acoustically-resistive layer for a sound-absorbing panel and panel having such a layer
10/22/2003EP1354561A1 Apparatus for manipulating acoustic pulses
10/22/2003EP1354498A1 Acoustic resistor for hearing improvement and audiometric applications, and method of making same
10/22/2003EP1062056B1 Acoustic horn
10/22/2003CN1125219C Sound wave phase position change apparatus and sound insulation wall
10/21/2003US6635327 Energy conversion composition
10/21/2003US6634574 Method and device for obtaining vegetal fibre material and the use thereof
10/16/2003WO2003010993A8 Active-noise-reduction headsets with front-cavity venting
10/16/2003WO2003001843A3 Variable multi-dimensional apodization control for ultrasonic transducers
10/16/2003US20030195418 Balance body ultrasound system
10/16/2003US20030194548 Vehicular structural members and method of making the members
10/16/2003US20030193267 Non-fluid acoustic coupling
10/15/2003EP1352387A2 Systems and methods for controlling a phased array focused ultrasound system
10/15/2003EP1352172A1 Silencer with a plurality of resonance chambers
10/15/2003EP1111584B1 Manufacturing process of an acoustically resistive layer for acoustic panel
10/15/2003CN1449261A Systems and methods for reducing secondary hot spots in a phased array focused ultrasound system
10/15/2003CN1448442A Speaker case board and its manufacture
10/14/2003US6633646 Method and apparatus for controlling exhaust noise
10/14/2003US6632179 Acoustic imaging system with non-focusing lens
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