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8083023 |
Drum booth and kit for its construction
A booth for confining and acoustically isolating musical drum instruments and musicians therefor has a rear wall, front wall assembly having a number of plastic windows interconnected in a...
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8083025 |
Silencer provided on exhaust pipe of vehicle engine
A silencer includes an inner cylinder that is connected to an exhaust pipe and a partition cylinder that is accommodated in a housing and that sections an expansion chamber in the housing. A group...
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8083027 |
Method for manufacturing a sandwich panel
A method for manufacturing a sandwich panel includes, but is not limited to the steps of providing at least one air-permeable core layer and at least one porous cover layer, applying an adhesive...
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8083026 |
Diffuser muffler
A muffler for attenuating acoustic noise in a gas flow that includes a casing having a substantially-rectangular cross-section with an inlet opening in an inlet end and an outlet opening in an...
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8082707 |
Air-film vibration damping apparatus for windows
An improved vibration damping apparatus is provided for use with window structures, including windows used in vehicles, aircraft, and spacecraft. The vibration damping system includes at least two...
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8085968 |
Resonating cone transducer
An electroacoustical transducer includes a bobbin, a first acoustic radiator coupled to the bobbin through a first surround having a mechanical compliance, a second acoustic radiator generally...
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8083022 |
Receiver support and earmold for a hearing device as well as use of a thermoplast for manufacturing an earmold
The invention specifies a receiver support for snapping into an earmold with a spherical section and with a conical section, which is embodied on the end facing the earmold and which tapers towards...
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8085971 |
Moving-coil planar speaker
The planar speaker contains a frame, a diaphragm, a driver, a surround, and a number of flexible suspension elements. The diaphragm is suspended in a front opening of the frame by the surround. The...
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8083024 |
Lightweight speaker enclosure
A speaker enclosure having a substantially seamless rigid outer skin, a middle sound absorbing layer, and a substantially seamless inner skin results in a lightweight speaker having sound absorbing...
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8083822 |
System for treating exhaust gas
A system for treating exhaust gas from an engine is disclosed. The system may include a housing, a fluid treatment element, and a conduit. The housing has an inlet and an outlet port and defines a...
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8079442 |
Acoustic baffle
A heat expandable baffle for sealing automotive cavities comprising a carrier plate with an outer perimeter and a strand of a heat expandable material along the major part of the outer perimeter,...
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8081540 |
Rotary subwoofer marine seismic source
According to a preferred aspect of the instant invention, there is provided herein a system and method for creating low frequency seismic waves. In brief, the instant invention uses a rotary...
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8079443 |
Aircraft trim panel with integrated adjustable acoustic properties
A trim panel for an aircraft interior includes a first sound attenuating layer, a structural layer and a second sound attenuating layer. The structural layer is coupled to the exterior sound...
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8079440 |
Determining the polarity of movement of an actuator mass in a seismic vibrator
A technique or mechanism for use with a vibrator to be employed for subterranean surveying includes receiving, from a sensor, a unipolar indication of movement of an actuator mass of the vibrator....
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8079441 |
Muffler
A muffler is disclosed. In the muffler a throttling device that is controlled by the energy of the airflow to be muffled is provided in a pipeline of the airflow that needs to be muffled. The...
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8081791 |
Loudspeaker
A loudspeaker includes a frame, a magnetic circuit supported by the frame, voice coil body provided movably in relation to a magnetic gap provided at the magnetic circuit, a diaphragm having an...
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8079366 |
Magnetic earplug
An earplug includes a body, a post and a magnet. The body is made of a pliable material and includes a proximal end and a distal end. The proximal end is shaped to be positioned proximal to the...
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8077547 |
Method and apparatus for seismic exploration
The disclosure identifies method and apparatus for seismic exploration which may be used to provide improved positioning of land-based seismic sources in an array. Also described are methods which...
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8075226 |
Method and apparatus for deployment of ocean bottom seismometers
A deployment and retrieval apparatus for ocean bottom seismic receivers, the apparatus being a remotely operated vehicle (ROV) having a carrier attached thereto and carrying a plurality of...
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8074765 |
Sound absorbing structure of electronic equipment
In order to provide sound absorbing structure capable of reducing the noise of electronic equipment while maintaining the cooling capability of the electronic equipment, there is provided sound...
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8074766 |
Multi-layer sound attenuating acoustic panel
An acoustic panel having rigid, damped faces and an interior layer assembly. The assembly can constructed with minimal layer coupling and common construction adhesives and without the use of...
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8069946 |
Portable sound recording device
A portable sound recording device and method comprises a first enclosure having symmetrical halves and a second enclosure having symmetrical halves. The second enclosure is fitted inside the first...
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8069647 |
Jet nozzle mixer
An external jet nozzle mixer includes identically formed lobes. The external mixer works with the internal mixer further to mix the engine internal bypass flow with the internal jet engine core...
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8069666 |
System for generating shaft horsepower using waste heat
One or more systems for generating shaft horsepower by using waste heat from combustion exhaust are provided herein. The system can include a heat recovery silencer, a turbine, a compressor, a...
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8069947 |
Sound attenuation canopy
A sound attenuation canopy for reducing levels of sound passing through an opening comprises a sound absorbing member. The sound absorbing member is comprised of a flexible sound absorbing material...
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8073185 |
Electronic device
An electronic device equipped with a speaker includes: a first cushion member interposed between the side surfaces of the speaker and the side guides of the speaker holding section formed on the...
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8072840 |
Fracture clusters identification
Method for identifying one or more fracture clusters in a formation surrounding a reservoir. In one implementation, the method may include generating a P to S image, comparing the P to S image to...
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8069660 |
System for recovering waste heat from exhaust
One or more systems for silencing and extracting waste heat from exhaust of a combustion system for performing an operation and using the waste heat to perform an additional operation are provided...
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8068575 |
Acoustic load mitigator
A system for reducing an acoustic load of a fluid flow includes a first pipe to carry the fluid flow; a standpipe connected to the first pipe at an opening in the first pipe; and a standpipe flow...
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8066086 |
Sleeve arrangement
Sleeve arrangement for a drill rig, especially adapted for damping sound and sealing to the ground, said drill rig comprising a feed beam (4) having a drill end (41) and a rear end (42), said feed...
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8068633 |
Headphone cable splitter
A flat, ribbon-like headphone cable having a unitary cable section, a splitter, and two split cable sections for connection to earpieces. The unitary and split cable sections each have...
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8066098 |
Acoustic septum cap honeycomb
An acoustic structure that includes a honeycomb having cells in which septum caps are located. The septum caps are formed from sheets of acoustic material and include a resonator portion and a...
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8066096 |
Inlet silencer
An inlet silencer for an air inlet in a housing, which housing contains a source of high frequency noise radiated by an air intake for the source of high frequency noise, comprises: a plenum that...
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8066095 |
Transverse waveguide
A compact bass speaker cabinet uses a long, narrow, tapered waveguide that acts as does a small radial portion of the air outside a large pulsating sphere, and has the same bass response as the...
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8066097 |
Acoustic enhancement device for underlayment of a covering
An acoustic enhancement device adapted for being placed on a support and under a covering, and containing a first flexible layer adapted for being placed facing the support, a second rigid layer...
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8068631 |
Construction of a completely-in-canal hearing instrument with receiver compartment
A construction of a CIC instrument is provided, along with a corresponding method of manufacturing such a CIC instrument, that prevents floating components from contacting with an isolated receiver...
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8068618 |
Spherical loudspeaker for omnipresent sound reproduction
A highly compact loudspeaker system having a spherical housing produces time and phase coherent sound waves in an omnipresent manner throughout a spatial listening environment. Within is a...
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8061475 |
Soundproof cover and method for producing the same
The present invention relates to a soundproof cover containing: a sound-absorbing material disposed facing to a sound source; a soft sound-insulating layer laminated on the sound-absorbing material...
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8064289 |
Measuring device for a drilling apparatus
A measuring device for a drilling apparatus which comprises a series of drilling rods, rotary and axially mobile. The measuring device comprises sensors, disposed on the series of rods, and feed...
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8061470 |
Method and apparatus for deploying a plurality of seismic devices into a borehole and method thereof
Deploying systems and methods for deploying a plurality of seismic devices into a borehole comprising a cable including a plurality of inter-connected cable segments and ellipsoid seismic units...
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8064629 |
Decorative loudspeaker grille
A loudspeaker grille for a wall-mount loudspeaker in a home environment is disclosed, which comprises a frame attached directly to a wall where a loudspeaker being mounted, the loudspeaker...
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8061476 |
Sound dampening flow channel device
The invention presents a sound dampening flow channel device defining at least one flow channel having an inlet opening and an outlet opening, the flow channel being at least partly delimited by at...
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8061473 |
Passive personal vocal monitor
A passive personal vocal monitor is described for enhancing the sound of a singer's voice to the singer during a performance. The monitor has an earpiece with a nipple configured to be disposed...
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8061478 |
Acoustic face of polymer and embedded coarse aggregates and an acoustic panel assembly
Described is an acoustic face comprising a solid polymer resin and coarse aggregates embedded within the solid polymer resin, and an acoustic panel assembly comprising at least one frame with a...
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8061477 |
Acoustic management of fluid flow within a duct
Apparatus and methods described herein provide for the management of noise associated with a duct. A sound-dampening apparatus is provided consisting of a duct through which a fluid flows, such as...
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8061471 |
Seismic vibrator controlled by directly detecting base plate motion
A seismic vibrator has a base plate with at least four isolators isolating a frame from the base plate. Each of these isolators is offset from the plate's footprint on shelves to free up area on...
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8061474 |
Perforation acoustic muffler assembly and method of reducing noise transmission through objects
A noise attenuation system is disclosed for use in a structure having a recessed fixture mounted therein or other unit which creates a hole in the structure in which it is secured, such as a...
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8061472 |
Non-roll foam eartip
Embodiments disclose a non-roll foam EarTip that may provide for fingertip press-in insertion, improved comfort, simplicity of use, flatter attenuation and/or improved hygienic properties, by way...
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8057200 |
Structure of discharging refrigerant for linear compressor
The present invention discloses a linear compressor in which a piston is linearly reciprocated inside a cylinder, for sicking a refrigerant into a compression space between the piston and the...
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8056327 |
Micro-venturi exhaust cooling device
An exhaust gas-cooling device for use on an exhaust gas conveyance system of a vehicle having an exhaust gas passageway to emit exhaust gases from an engine to an outlet includes an exhaust...
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