Sign up


Match Document Document Title
8333718 Weighted bioacoustic sensor and method of using same  
A sensor for sensing bioacoustic energy includes a housing comprising an interfacing portion configured to establish coupling with a body part during use. The sensor includes a transducer element...
8331604 Electro-acoustic conversion apparatus  
According to one embodiment, A microphone-earphone includes a speaker connected to an acoustic device configured to measure acoustic characteristics of a listener's external auditory canal, and...
8328532 Compressor muffler  
A compressor has first and second enmeshed rotors rotating about first and second axes to pump refrigerant to a discharge plenum. The compressor includes a muffler system comprising a sound...
8327975 Acoustic silencer  
A resonator is disclosed which includes: a sleeve insert and an outer duct sealingly coupled to the sleeve insert. The sleeve insert has a wall with a first aperture in the wall at a first axial...
8327974 Sound enhancing apparatus  
A sound enhancer for use with a speaker assembly, comprising a sound manifold forming an enclosure having upper and lower hollow interior portions, the enclosure defining an interior zone within an...
8327977 Floor covering  
A floor covering having slip-resistance and sound attenuation properties, particularly for reducing levels of sound resulting from high impact interactions. The floor covering includes at least a...
8328731 Method and system for reconstructing the three-dimensional shape of the surface of at least a portion of an ear canal and/or of a concha  
The method for reconstructing the three-dimensional shape of the surface (14) of at least a portion of an ear canal (18) and/or of a concha comprises—for each of a multitude of points (12) on s...
8331577 Electronic device having active noise control with an external sensor  
An electronic device includes an enclosure for the electronic device and a duct extending from an interior to an exterior of the enclosure to exhaust airflow from the enclosure. The electronic...
8331198 Gas-filled bubble sound source  
A sound source comprises a bubble configured to be filled with a gas, an actuator configured to perturb the gas within the bubble, and a processing circuit configured to provide a control signal to...
8327976 Insulation design for thermal and acoustic insulation of an aircraft  
The invention pertains to an insulation structure for thermally and acoustically insulating an aircraft that features at least one heavy layer, wherein the insulation structure according to the...
8327973 Foam compositions with enhanced sound attenuation  
Disclosed are foam compositions with enhanced sound attenuation characteristics for use in earpieces, for example, user-disposable foam members such as foam tips for sound control devices including...
8323001 Hermetic compressor  
A compression element is provided with a block, a piston, a valve plate arranged in an opening end of a compression chamber and forming a suction hole, a suction valve, a suction muffler forming a...
8322479 Covering for motorcycle exhaust tube  
A covering for a motorcycle exhaust tube is employed in a V-banked combustion engine having a drive output shaft, extending in a direction widthwise of a motorcycle body structure, and front and...
8322487 Acoustically coupled non-woven composite  
An acoustically coupled non-woven composite containing a non-woven layer and a thermoplastic film. The non-woven layer contains a plurality of binder fibers and a plurality of bulking fibers and...
8322486 Intake sound generation apparatus for internal combustion engine  
An intake sound generation apparatus for an internal combustion engine, including an introduction duct connected to an intake passage of an intake system of the engine, a vibration member including...
8322134 Sliding fit, pipe arrangement and exhaust gas treatment device  
The present invention relates to a sliding fit for the axially movable bearing of a thermally loaded pipe on a component, in particular on an exhaust system of an internal combustion engine, having...
8322485 Systems and methods for reduction of noise during sleep  
A noise reduction system for attachment to a pillow having a top surface is disclosed, wherein a head of a user can be configured to be placed on the top surface of the pillow. The system includes...
8316986 Sound attenuation canopy  
A sound attenuation canopy for reducing levels of sound passing through an opening comprises a sound absorbing member. The member is comprised of a flexible sound absorbing material and has a first...
8317489 Refrigerant compressor  
A refrigerant compressor that includes a compressor housing enclosing an outlet chamber and an outlet passage leading from the outlet chamber to an external high pressure connection, such that the...
8316985 Methods and devices for sound abatement of an abdominal stoma  
The present invention provides methods and devices for the abatement of noise emanating from surgically created abdominal stomas. In one embodiment, the present invention provides a sound abatement...
8316639 Internal combustion engine, vehicle, marine vessel, and exhaust gas cleaning method for internal combustion engine  
An internal combustion engine capable of improving cleaning efficiency by preventing an increase in the temperature of the exhaust gas to lessen the deterioration of the catalyst. The internal...
8316987 Muffling structure of vent pipe and muffling structure of case  
The present invention aims to provide a muffling structure of a vent pipe and a muffling structure of a case, which is capable of muffling in a wide frequency range and preventing vent resistance...
8320604 Composite loudspeaker cone  
Composite loudspeaker cones that include an interstitial layer of material having a core density below 600 kg/m3 and a Young's modulus greater than 0.2 GPa, such as balsa wood, interposed between a...
8320597 Acoustic dock for portable electronic device  
An accessory for a portable electronic device having a speaker uses an acoustic wave guide to passively amplify and direct the output of the device's speaker. The accessory has a housing with a...
8316813 Engine assembly having variable intake air tuning device and tuning method  
An engine intake air tuning assembly may include a housing assembly and an air flow control member. The housing assembly may include an air inlet, an air outlet, and a body portion extending...
8316713 Scanning near field ultrasound holography  
A high spatial resolution phase-sensitive technique employs a scanning near field ultrasound holography (SNFUH) methodology for imaging elastic as well as viscoelastic variations across a sample...
8312961 Soot preventing type tail trim  
A soot preventing type tail trim may include a tail pipe discharging exhaust gas, and a body enclosing an outer circumference of the tail pipe with a predetermined space therebetween, such that...
8315417 Shippable speaker box  
A speaker box, or enclosure, and kit with five panels connected by flexible couplings is shipped in a stack of four of the five panels, plus two side panels. The flexible couplings may be provided...
8312963 Sound absorbing skin material and sound absorbing material utilizing the same  
A lightweight sound absorbing surface material, having an excellent sound absorbing property and moldability, and a sound absorbing material using the sound absorbing surface material, are provided...
8312713 Internal combustion engine, vehicle, marine vessel, and exhausting method for internal combustion engine  
An internal combustion engine includes a structure that increases the velocity of exhaust gas. The internal combustion engine includes a branch section arranged to branch a shock wave propagating...
8312962 Sound absorber having helical fixtures  
A sound absorber comprises an elongated gas channel, through which a flowing gas passes in operation of the sound absorber; and at least one helical fixture mounted in a longitudinal section of the...
8312960 Occlusion effect mitigation and sound isolation device for orifice inserted systems  
Methods and devices for sound isolation are provided. A sound isolation device includes an expandable element and an insertion element. The expandable element is operatively attached to the...
8307946 Firearm suppressor with multiple gas flow paths  
A firearm suppressor for mounting on a firearm to suppress sound emanating from the firearm when fired may comprise a housing defining an interior and a baffle insert positioned in the interior of...
8307944 Muffler  
A muffler (1) for an exhaust system (2) of an internal combustion engine, especially of a motor vehicle, with a muffler housing (3), which encloses a housing interior space (5), and with at least...
8307948 Silencer device for a hair dryer  
A silencer device for a hair dryer comprises a container structure (2) exhibiting a plurality of inlet openings (8), an outlet opening (9) and a conduit (10) connecting the inlet (8) and outlet (9)...
8307950 Sound barrier wall  
A monolithically fabricated sound absorbing structural precast concrete noise barrier panel comprising a sound absorbing layer of specialized raw materials. The raw materials include wood particles...
8307943 High pressure drop muffling system  
A system for venting a high-pressure flow stream is disclosed, the system comprising a device having a plurality of orifice plates, each orifice plate having a plurality of orifices, wherein the...
8307945 Gas-turbine exhaust cone  
A gas-turbine exhaust cone includes a cone shaped outside cone 1 closed in a flow direction, an inside cone 2 arranged in the outside cone 1 over at least part of the length of the exhaust cone,...
8310756 Window image projection screen  
A window image projection screen includes a transparent case, including a transparent front element and a transparent rear element. A thin inner space formed between the front and rear elements is...
8311258 Headset  
A headset includes a housing having a first wall with at least one sound hole formed thereon, a loudspeaker unit disposed in the housing and adjacent to the sound hole, a blocking component mounted...
8307942 Flat earplug and package  
A flat earplug and flat earplug package assembly is provided and a method of forming a flat earplug. The flat earplug includes a flat, rectangular foam sheet having a first surface and second...
8307947 Duct sound damper for a flow machine  
Duct sound damper for deliberate reduction of sound waves for a flow machine, particularly for a compressor, with a housing having at least one horizontally extending acoustically reflective back...
8307949 Exhaust device  
In one embodiment, an exhaust device has an inner cone stack assembly made up of connectedly overlapping inner cone components with frustums. The inner cone stack assembly is disposed within an...
8311262 Loudspeaker ceiling mount bracket  
A ceiling mount bracket for a loudspeaker. The ceiling mount bracket includes a mounting plate; an assembly to orient the loudspeaker; an assembly to receive audio signals and to provide the audio...
8311253 Earpiece positioning and retaining  
An earpiece. The earpiece includes an electronics module for wirelessly receiving incoming audio signals from an external source. The earpiece further includes a positioning and retaining structure...
8307941 Seismic gun assembly for shooting into a bore hole  
A seismic gun system for surveying underground geological topology, the seismic gun system comprising a projectile, a seismic gun body, a barrel, and a guide tube. The projectile includes an outer...
8302567 Cooling air passage for a motor chain saw  
A motor chain saw has a motor housing with a drive unit for driving a saw chain on a guide bar. The drive unit is an internal combustion engine with a cylinder and a crankshaft extending...
8302731 Hearing protector  
The present invention provides a hearing protector comprising two ear cups which are designed to cover the ears of the wearer of the hearing protector, and sealing rings (2) which are secured along...
8302732 Silencer  
A silencer, particularly rear silencer, for an exhaust system of a combustion engine, particularly of a motor vehicle, has a housing in which an outlet chamber is located. An outlet pipe...
8302730 System and method for generating and controlling conducted acoustic waves for geophysical exploration  
An improved system and method for generating and controlling conducted acoustic waves for geophysical exploration are provided. A plurality of overpressure waves are generated by at least one...