Acoustics inventions 10/06

20060237257 - Frame for speaker device and speaker device: A speaker device includes a vibration system having a frame and a magnetic circuit. The frame has a magnetic circuit housing unit housing the magnetic circuit, an outer peripheral portion arranged on the outer side thereof and having an annular shape, and plural arm parts connecting the magnetic circuit housing...

20060237258 - Frame for speaker device and speaker device: A speaker device includes a magnetic circuit system and a vibration system including a frame having a magnetic circuit housing unit, an annular-shaped outer peripheral portion, and plural arm parts connecting the magnetic circuit housing unit and outer peripheral portion. An outer peripheral portion of a damper is mounted of...

20060237259 - Method of acoustic damping within electronic device cabinetry: Cabinetry for a variety electronic devices that facilitates acoustic attenuation. Although significantly lighter in weight, the structural integrity of the cabinetry tends to be comparable to conventional cabinetry. The cabinetry utilizes expanded polystyrene (EPS) foam to form the basic shell or core with the shape of the desired enclosure. Appropriate...

20060237261 - Acoustic mechanical retainer: A fan case assembly includes a noise attenuation layer that is covered by a face sheet. The face sheet includes a first plurality of openings. The noise attenuation layer includes a plurality of individual cells that are in communication with at least one of the first plurality of openings. Noise...

20060237260 - Duct liner acoustic splice: A duct liner assembly includes a noise attenuation layer for absorbing noise energy that is covered by a face sheet. The face sheet includes a seam that is covered by an acoustically active splice. The acoustically active splice includes a plurality of acoustic regions that provide for communication of noise...

20060237262 - Silencer for fume extracting hoods: The silencer for fume extracting hoods is comprised of a panel (1) consisting of a lower tray (4), an insulating intermediary sheet (5), and an upper or porous filling foamed material (6) acting as a sound absorbing and limiting or damping material. The panel is hinged to the fume extracting...

20060231326 - Mounting support device for ceiling embedded speaker system: An auxiliary mounting device 10 for an in ceiling speaker system comprises a ceiling reinforcing element 11 and an elongate element 21. The ceiling reinforcing element 11 includes a flat plate portion 12 and a vertical portion 14 provided to extend vertically from the flat plate portion, 12. The vertical...

20060231327 - Loudspeaker enclosure with damping material laminated within internal shearing brace: A loudspeaker cabinet with a laminated internal brace which has a first rigid layer coupled to a first exterior panel of the cabinet, a second rigid layer coupled to an a second exterior panel of the cabinet, and a damping layer affixed between the rigid layers where they overlap. Vibration,...

20060231328 - Reflex-ported folded horn enclosure: A low frequency exponential/hyperbolic hybrid folded horn enclosure intended for use in proximity with at least one planar surface, such as a floor, ceiling, or wall, with access to the horn throat from the top of the enclosure. The horn is bifurcated at the throat and folds horizontally around a...

20060231329 - Acoustic dampers: An acoustic resonator for use in an engine is provided. The acoustic resonator includes a cavity having a volume, an aperture, and a passage connecting the aperture and the cavity. The aperture has a profiled surface for delaying separation of fluid entering the passage and for reducing losses caused by...

20060231330 - Spun extrusion side entry muffler: By using a spun extrusion method to form a side entry exhaust inlet, a muffler can be completely stuffed and end caps can be spun onto opposing ends of the muffler on a high speed production line without interruptions. The side entry exhaust inlet is formed within a muffler shell...

20060231331 - Extended bandwidth folded well diffusor: An extended bandwidth folded well diffusor extends the diffusion bandwidth of a shallow, asymmetric diffusor by incorporating maximum-depth, folded L-shaped, half-width wells on both ends (sides) of a diffusor, thus providing increased maximum well depth without increasing the physical depth of the diffusor. When the inventive diffusor is placed in...

20060225948 - Device used for analyzing data retrieved from an acoustic gun for distance sounding: In the oil industry, the acoustic sounding method is a well-known technique for taking the depth measurements of particular attributes of an oil well or borehole. The method involves sending a short, sharp, clear, loud bang sound down a borehole, normally between the inside wall of the borehole casing, commonly...

20060225949 - Acoustic generator for distance sounding with a firing mechanism independent of the pressure equilibration force: In the oil industry, the acoustic sounding method is a well-known technique for taking the depth measurements of particular attributes of an oil well or borehole. The method involves sending a short, sharp, clear, loud bang sound down a borehole, normally between the inside wall of the borehole casing, commonly...

20060225950 - Speaker cabinet: A smaller-sized speaker cabinet developed in this invention is made of a mixture that is composed of a woody cellulose powder of proper physical properties and a synthetic resin blended with this powder. The resin is a non-chlorinated resin, and the cellulose powder consists of particles whose diameters are included...

20060225951 - Muffler with catalytic converter: A muffler with a housing for receiving exhaust gasses from an engine is disclosed. The muffler includes a housing with an inlet and an exit, a baffle plate partitioning the housing into first and second chambers. The baffle plate includes a catalyst receptacle in the first chamber, the second chamber...

20060225952 - Sound absorbing material: A sound-absorbing material, wherein a non-woven fabric with a mass per unit area of 150 to 800 g/m2 and a bulk density of 0.01 to 0.2 g/cm3 and a surface material with an air permeability of not more than 50 cc/cm2/sec measured according to JIS L-1096 are layered....

20060219472 - Stetoscope holder: The stethoscope holder is a clip that grips a belt or cincture of an article of clothing and holds a stethoscope. The holder has a first arm biased against a second arm by a spring, such as a flat or leaf spring formed in a V-shape. A hinge or pivot...

20060219473 - Ip phone intruder security monitoring system: a voice activity detector 220 operable to (a) determine whether the audio stream comprises voice signals and (b) when the audio stream comprises voice signals, at least one of (i) notify a communications server 110 and (ii) provide at least a portion of the audio stream to the communications server...

20060219474 - Multimedia speaker product: A satellite speaker system includes a side firing low mid driver mounted in a sub-enclosure which is vented into a second sub-enclosure through an acoustic resistance vent and to a third sub-enclosure through a variable aperture second vent. The vents further serve as pivots to allow the side-firing speaker to...

20060219475 - Flow restrictors for aircraft inlet acoustic treatments, and associated systems and methods: Flow restrictors for aircraft inlet acoustic cores, and associated systems and methods are disclosed. A system in accordance with one embodiment of the invention includes an inlet flow surface having multiple openings, and an acoustic treatment positioned adjacent to the inlet flow surface. The acoustic treatment can have multiple cells...

20060219476 - Modular muffler: An exhaust gas muffler for an engine, the exhaust gas muffler having: a body, at least one inlet for the exhaust gas from the engine on the body, a chamber in the body to receive exhaust gas from the at least one exhaust gas inlet and to reduce a sound...

20060219477 - 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 flange portion. The flange portion has an anchoring surface that provides frictional engagement of the septum caps to...