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Acoustics November recently filed with US Patent Office 11/12

20120298440 - Excitation device and method for downhole seismic testing using the same: An excitation device for downhole seismic testing, includes an excitation hammer, a holding arm connected at one end thereof to the excitation hammer to allow the excitation hammer to rotate about the other end thereof, a support post having the other end of the holding arm rotatably coupled to an... Agent: Korea Institute Of Geoscience & Mineral Resources

20120298441 - Compact housing for portable electronic device with internal speaker: Improved approaches for providing a speaker within a housing of a portable electronic device are disclosed. The housing of the portable electronic device can be compact, such as a low profile housing. In one embodiment, an acoustic chamber for a speaker can be formed internal to a housing for a... Agent:

20120298442 - Systems and methods for the reduction of underwater acoustical noise: The inventive subject matter describes systems and methods for the implementation of an aquatic acoustical barrier, the aquatic acoustical barrier having a multiplicity of acoustical layers, the acoustical layers further having a multiplicity of acoustical leafs, such that when the acoustical barrier surrounds a noise source in the water there... Agent:

20120292125 - Door module having an acoustic uncoupling means: A door module of a vehicle door is provided. The door module comprising a carrier plate, a drive unit arranged on the carrier plate for driving a power-operated adjustment device of the door module, and a decoupling means arranged on the carrier plate for attenuating an acoustic excitation of the... Agent:

20120292128 - Plastic muffler with helmholtz chamber: A muffler for a vehicle exhaust system includes a plastic outer shell that defines an internal cavity. A metal pipe extends through the internal cavity from an inlet to an outlet. A Helmholtz chamber is formed within the plastic outer shell to attenuate a desired frequency.... Agent:

20120292126 - Method for processing a surface element: A method for processing at least one surface element wherein at least one layer of a deformable, medium-tight material is respectively attached to each side of the surface element, inserts the surface element and attached deformable layers between at least two molding tool parts and applies a pressure to at... Agent: Formtech Gmbh

20120292127 - Air intake duct: To simplify the attachment of a cover member, an air intake duct 10 includes a duct body 12 having an air flow passage 14 communicating from an inlet port 12a to an outlet port 12b and a vent hole 28 communicating from the air flow passage 14 to the outside,... Agent: Inoac Corporation

20120292128 - Plastic muffler with helmholtz chamber: A muffler for a vehicle exhaust system includes a plastic outer shell that defines an internal cavity. A metal pipe extends through the internal cavity from an inlet to an outlet. A Helmholtz chamber is formed within the plastic outer shell to attenuate a desired frequency.... Agent:

20120285766 - Exhaust system component: An exhaust system component (1) of an exhaust system (2) for an internal combustion engine, especially of a motor vehicle has an inner pipe (3) made of metal, which is exposed to exhaust gas during the operation of the exhaust system (2), a housing (4) made of plastic, which encloses... Agent:

20120285767 - 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 support frame and spaced from and in parallel alignment with the front face of the porous acoustical absorber and forming an airspace, the porous... Agent:

20120285768 - System and method for noise suppression: Systems and methods for noise suppression are disclosed herein. In one embodiment, an acoustic structure has a core that includes a plurality of cells. Each of the plurality of cells includes one or more engaging structures for positioning a septum relative to the cell. The acoustic structure further includes a... Agent: Rohr, Inc.

20120279795 - Acoustic wave device: An acoustic wave device includes a piezoelectric substrate, a first wiring disposed on an upper surface of the piezoelectric substrate, an organic insulator covering at least a portion of the first wiring, a second wiring disposed on a first portion of the upper surface of the organic insulator, and an... Agent: Panasonic Corporation

20120279796 - Passive radiator: A passive radiator comprises a frame body having an opening; a diaphragm disposed on the frame body and located corresponding to the opening; and a surround which joins with an outer margin of the diaphragm; wherein the diaphragm is extended from a radial position to a center position to form... Agent: Cheng Uei Precision Industry Co., Ltd.

20120279797 - Phase plug and acoustic lens for direct radiating loudspeaker: A phase plugs or acoustic lens improves the directional audio performance of a loudspeaker. Application of the improved directional audio performance to a sound system in a listening area may improve the performance of the audio system. Configuration of the acoustic lens or phase plug may include both symmetrical and... Agent: Harman International Industries, Incorporated

20120279798 - Firearm silencer and methods for manufacturing and fastening a silencer onto a firearm: A firearm suppressor includes a hollow outer can having an interior-threaded proximal end and a radially closed distal end with a bore, a barrel nut having a barrel bore and an outer-threaded distal threading to the can, and a baffle. The baffle has an intermediate wall with a bore and... Agent:

20120279799 - Sound-absorbing shielding element: A sound-absorbing shielding element, in particular for fitting into a motor vehicle, comprises a layered construction which has a support plate, an acoustically effective porous absorber layer and at least one acoustically effective first microperforated sheet which is arranged on a first side of the absorber layer. An acoustically effective... Agent: Progress-werk Oberkirch Ag

20120279800 - Multilayer composite material: The invention concerns a multilayer composite material comprising at least one core (3) interposed between two external layers (1, 2), wherein: —the core (3) is a layer of thermoviscous fluid at room temperature, said thermoviscous fluid having a dynamic viscosity coefficient greater than 100 Pa·s at room temperature, —each external... Agent:

20120273295 - Acoustic suppression systems and related methods: An acoustic suppression system for absorbing and/or scattering acoustic energy comprising a plurality of acoustic targets in a containment is described, the acoustic targets configured to have resonance frequencies allowing the targets to be excited by incoming acoustic waves, the resonance frequencies being adjustable to suppress acoustic energy in a... Agent:

20120273296 - Component for motor vehicles and method for its production:

20120273297 - Channeling gas flow tube: A tube for moving gas between an entry end into which gas is introduced and an exit end through which gas exits the tube, the tube comprising a plurality of adjoining adjacent□ guides, each guide comprising an outer half of a smoothly-curved, modified torus, and an outer rigid tube wall.... Agent:

20120273298 - Silencers for air conditioning systems: Silencers for air conditioning systems are provided. In an exemplary embodiment, the silencer comprises a cylindrical silencer wall having a flow axis, a first channel disposed within the cylindrical silencer wall, and a second channel disposed within the cylindrical silencer wall. The second channel communicates with the first channel in... Agent: Gm Global Technology Operations LLC

20120273302 - Exhaust apparatus of internal combustion engine: An exhaust apparatus for internal combustion engines which can reduce exhaust noises, its weight and production cost with no need to provide a sub-muffler. The exhaust apparatus is provided with an inner pipe having the upstream open end and the downstream open end is disposed in the tail pipe, and... Agent: Toyota Jidosha Kabushiki Kaisha

20120273300 - Lightweight polymeric exhaust components: Disclosed is a muffler assembly including: a) polymeric housing having an interior surface and at least one opening for at least one inlet and one outlet exhaust pipe; b) at least one metal inlet exhaust pipe and at least one metal outlet exhaust pipe positioned within the openings to provide... Agent: E. I. Du Pont De Nemours And Company

20120273299 - Muffler assembly and process of manufacture: A muffler assembly including one or more exhaust pipe(s), a polymeric housing carried by at least one of the exhaust pipe(s); a thermal insulating layer lining the housing interior surface and extending between the housing and exhaust pipe at the housing-exhaust pipe interface; wherein the thermal insulating layer includes a... Agent: E. I. Du Pont De Nemours And Company

20120273301 - Muffler assembly with mounting adapter(s) and process of manufacture: A muffler assembly including one or more exhaust pipe(s), one or more mounting adapter(s) attached to the one or more exhaust pipe(s), a polymeric housing carried by one or more mounting adapter(s), a thermal insulating layer lining the housing interior surface and extending between the housing and one or more... Agent: E. I. Du Pont De Nemours And Company