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8640824 Acoustical vinyl flooring and methods of manufacture  
An acoustical vinyl tile having an integral acoustical layer is disclosed. The vinyl tile includes a vinyl portion, an acoustical portion, and an adhesive layer for fixing the vinyl portion to the...
8642158 Repair of composite sandwich structures  
A composite component includes a honeycomb, a skin bonded to the honeycomb, a repair section bonded adjacent to the skin, and at least one cover secured on at least a portion of the repair section...
8640819 Enclosure, assembly and method for reducing noise from a pump and mass spectrometry system  
The invention provides a noise reducing enclosure for reducing the noise from a vacuum pump, e.g. a roughing pump of a high vacuum system, the vacuum pump having a long axis and the enclosure...
8640822 Exhaust muffler  
An exhaust muffler includes a pair of base members disposed substantially parallel to one another and defining an exhaust entry and exhaust exit. At least one wall member is coupled to the base...
8641494 Ventilation device and frame system  
A ventilation device comprises a body (11) having first and second ports (14, 15) and a ventilation passage (13) that extends through the body between the ports to allow airflow through the body....
8640818 Speaker enclosure  
The present invention relates to speaker enclosures utilizing the golden ratio geometrically throughout the design to reduce reflections, resonance and phase shifting, and to improve the transient...
8640820 High-speed jet noise reduction via fluidic injection  
A noise reducer for reducing engine noise of a jet engine having a central axis and a main exhaust nozzle. The noise reducer includes a tubular member having ports at a distal end and is aligned...
8644545 Condenser microphone unit and condenser microphone  
A condenser microphone unit includes a diaphragm, a diaphragm ring, a fixed electrode, a casing unit accommodating the diaphragm ring, the diaphragm, and the fixed electrode. A condenser microphone...
8641197 Acoustical receiver and pen transcription system adapted for rejecting virtual pen images  
An acoustical receiver for detecting an acoustical signal characterized by a wavelength and a pen transcription system utilizing the same are disclosed. The receiver includes a detector that...
8642869 Sound reduction enclosure for hi-hat cymbals  
The invention provides a sound reduction enclosure for hi-hat cymbal assemblies, enclosure which can be fastened directly to the hi-hat stand to greatly reduce sound leakage and offer more precise...
8640821 Exhaust system of engine  
An exhaust system for an engine includes an exhaust pipe connected to an exhaust port of an engine and a muffler attached to the exhaust pipe and configured to reduce exhaust noise. The muffler...
8638963 Ear defender with concha simulator  
A hearing protection system with talk-through having a pair of rigid earcups enclosing a microphone, amplifier and speaker. A concha simulator, having a volume simulating that of the concha of a...
8636104 Acoustically absorptive panel  
An acoustically absorptive panel comprises a porous acoustical absorber having a planar configuration mounted on a support frame, an acoustically transparent front fabric stretch-mounted on the...
8636100 Method for the production of an otoplastic device  
A novel method for producing an otoplastic device is described. In said method, a model of the auditory canal of an individual is made, then a thin film is placed over the model, and said thin film...
8636101 Device for damping and scattering hydrosound in a liquid  
A device for damping and scattering hydrosound and wave motions in water includes a plurality of envelope bodies, each enclosing a gas and each spaced at a distance from one another and surrounded...
8636107 Method for repairing at least a portion of an acoustic panel  
The present disclosure relates to a method for repairing a portion of an acoustic panel for a nacelle of an aircraft turbojet engine. The panel includes an acoustic skin in which a plurality of...
8636106 Automotive trim part for sound insulation and absorption  
A sound insulating trim part is provided. The sound insulating trim part includes an absorbing area and an insulating area. The absorbing area includes at least a first portion of a porous fibrous...
8636102 Voice amplification assembly  
A voice amplification assembly includes a plurality of rings movably coupled to one another so said rings may form a megaphone.
8635875 Gas turbine engine exhaust mixer including circumferentially spaced-apart radial rows of tabs extending downstream on the radial walls, crests and troughs  
A gas turbine engine exhaust mixer has a plurality of circumferentially distributed alternating inner and outer lobes. The outer lobes protrude into the annular bypass passage of the engine,...
8636105 Automotive insulating trim part  
A sound insulating trim part with acoustic mass-spring characteristics is provided. The sound insulating trim part includes a mass layer and a decoupling layer. The mass layer includes a porous...
8637414 Gradient density padding material and method of making same  
A gradient density padding material includes a single layer of nonwoven material having at least one surface processed to form a portion of a thickness thereof having a density increased with...
8638968 Low-profile loudspeaker driver and enclosure assembly  
A high fidelity, low-profile loudspeaker assembly includes an enclosure having a rear panel which is highly thermally conductive. At least one speaker driver is mounted in the enclosure, the driver...
8638970 In-ear adapter for earbuds  
An adapter for attaching to an earphone includes a sleeve capable attaching the adapter to the earphone and an ear portion including a tubular sidewall having a first end attached to the sleeve and...
8636103 Muffler for vehicle  
A muffler for a vehicle may include a main muffler in front of a rear suspension when viewing from a front of the vehicle, a plurality of baffles dividing an interior of the main muffler into a...
8634570 Sound monitor  
An electronic sound monitor for use as a stethoscope, a signal treatment and a method for treating the signals using the monitor. The sound monitor includes at least one transducer for transforming...
8631897 Ceiling loudspeaker system  
The present invention comprises a method and apparatus for installing a tile-mounted ceiling speaker that combines the ease of installation of a lay-in speaker system with the visual appearance of...
8632274 Deployment method for ocean bottom seismometers  
A deployment method and system for ocean bottom seismometers (OBS) includes providing a plurality of circular shaped, wireless, self-contained OBS units. The circular shaped OBS units are loaded...
8634574 Sound transmitting device  
A device for transmitting engine sound into an interior of a motor vehicle includes a sound transmission line having a first end in acoustic communication with an air intake tract and a second end...
8634272 Televiewer image wood-grain reduction techniques  
Measurements made by a transducer assembly for downhole imaging are affected by reverberations between the transducer and the window on the outside of the assembly. The reverberations result in a...
8631898 Method for attaching protective structure to feed beam, and protective structure in rock drilling rig  
A method for attaching a protective structure to a feed beam of a rock drilling rig, and a protective structure for a rock drilling rig. The protective structure is at least partly arranged around...
8634586 Ceiling-mounted loudspeaker enclosure  
A ceiling-mounted loudspeaker includes a horn-shaped enclosure, an acoustic driver, and a front module. The tubular or horn-shaped enclosure carries a slanted woofer or loudspeaker driver which...
8631901 Acoustic structure  
An acoustic structure includes plate members defining a plurality of hollow regions in parallel relation to each other. Opening portions are formed in one surface (reflective surface) of the plate...
8631900 Sound insulation floor structure and sound insulation floor component as well as method for reducing floor impact sound  
A sound insulation floor structure comprises a floor backing member, a floor finishing layer, and an intermediate layer between the floor backing member and the floor finishing layer, the...
8631899 Sound absorber  
To provide an inexpensive, slender sound absorber, it has a plurality of porous layers or regions of different densities and different flow resistances respectively. Of significance are the...
8634276 Tunable bubble sound source  
A sound source includes a bubble configured to be filled with a gas. The sound source also includes an actuator configured to perturb the gas within the bubble by changing the volume of the gas...
8630440 Loudspeakers  
A loudspeaker 2 comprises a dome 16 whose edge is stiffened by a carbon fiber ring 20. The dome 16 is shaped as a catenary or parabola.
8627922 Laminated acoustic soundproofing panel  
A laminated acoustic building panel comprises a pair of plasterboard substrates which are bonded together by an adhesive layer, the panel having a dynamic Young's modulus of 0.1 to 5 GPa and a...
8627919 Speaker and portable information terminal  
A speaker has a speaker unit and a box. The speaker unit has a speaker unit side terminal. The box includes a casing having an internal space, and a box side terminal arranged in the casing so as...
8627920 Folded horn enclosure with inter-channel reflex-porting  
A low frequency exponential folded horn enclosure employing a bifurcated horn terminal pathway and a single driver with a bifurcated throat channel, with driver access from the top or bottom of the...
8630435 Apparatus incorporating an adsorbent material, and methods of making same  
Apparatus for compensating for pressure changes in an acoustic transducer system includes a skeleton member having a predetermined configuration and adsorbent material having a regular structure...
8627921 Exhaust filter  
An exhaust muffler comprising an inlet in fluid communication with an outlet via an expansion chamber (16), the expansion chamber (16) comprising an inner core (22) extending in the longitudinal...
8630438 Speaker isolation system  
A loudspeaker mounting assembly for mounting a loudspeaker in an isolated relation to a structure includes an enclosure and a plurality of interface elements composed of a vibration-damping...
8628830 Method of and device for modifying the properties of a membrane for an electroacoustic transducer  
In a method of and a device for producing a membrane (1) for an electroacoustic transducer, the procedure is such that a membrane (1), which has been produced for example by deep-drawing, is at...
8622169 Sound-insulating and vibration-isolating rubber pad and method for installing a sound-insulating and vibration-isolating floor using same  
The present invention relates to a sound-insulating and vibration-isolating rubber pad and a method for installing a sound-insulating and vibration-isolating floor using same in which lower pad...
8622168 Motorcycle exhaust system structure including a resonator provided to an exhaust pipe  
In a motorcycle in which an internal combustion engine including a crankcase, a cylinder, and a cylinder head is attached to a vehicle body frame, an exhaust system includes an exhaust pipe...
8621842 Exhaust silencer convection cooling  
An example auxiliary power unit (APU) exhaust silencer includes cooling features to protect the outer skin and other components from heat generated by gases passing through an exhaust duct. Cooling...
8622167 Component for motor vehicles and method for its production  
The invention relates to a component (1) for motor vehicles, in particular in exhaust systems or in independent heaters, comprising a carrier (2), wherein the carrier (2) has a predefined...
8625258 Mounting apparatus for expansion card  
A mounting apparatus includes a mounting bracket and a securing element. The mounting bracket is configured to mount an expansion card. The mounting bracket is mounted in a chassis. The securing...
8616331 Panel assembly for traffic noise barrier wall  
A panel assembly for a traffic noise barrier wall of the type including opposing slots formed in pairs of vertically-mounted posts is disclosed. In some embodiments, the panel assembly includes the...
8616330 Actively tunable lightweight acoustic barrier materials  
In one embodiment, provided is an actively tunable acoustic attenuator having a frame, a membrane within the frame, and a mass secured to the membrane. In another embodiment, provided is an...