Acoustics inventions 06/08

20080149415 - Acoustic isolator section: P

20080149416 - Downhole acoustic source: An acoustic source for delivering acoustic energy to a ground formation, particularly a rock formation, the source including (a) a solenoid to generate an electromagnetic field, (b) a bullet positioned within the influence of the electromagnetic field, (c) a casing surrounding and enclosing the solenoid and bullet so that both... Agent: Schlumberger-doll Research Attn: Intellectual Property Law Department

20080149417 - Acoustic assembly for personal media device: Systems and methods are provided for media devices including an acoustic source that emits a sound, a first chamber that receives the sound and couples a first portion of the sound outside of the media device, and a second chamber that receives a second portion of the sound from the... Agent: Ropes & Gray LLP

20080149418 - Speaker system: A speaker system includes a speaker cabinet having a unit mounting port; a speaker unit attached to the unit mounting port; a sound absorbing structure disposed at a rear portion side of the speaker unit and in the speaker cabinet. The sound absorbing structure includes a porous air-permeable bag and... Agent: Nath & Associates

20080149419 - Sound absorbing carpet and method for maunfacturing the same: A sound absorbing carpet according to the present invention is characterized in that a sound absorbing nonwoven fabric layer is integrally bonded to a lower surface side of the surface skin material layer via an adhesive film layer made of thermoplastic resin, and a part of fibers constituting the sound... Agent: Edwards Angell Palmer & Dodge LLP

20080142294 - Noise control system using smart materials: A noise control system operable within a box-like structure provided by the dual bulkhead plenum of the vehicle dashboard positioned within the transfer path along which the noise is being transmitted from the source of the generated noise to the receiver of the noise in the passenger compartment of an... Agent: Miller Law Group, Pllc And Ford Global Technologies, Inc.

20080142295 - Binder for preforms in silencers: In a method of forming a silencer preform from fibers of a fiberizable material, the fibers are fed into a mold, and a low temperature cure binder is applied to the fibers. The binder is cured at a low temperature to bond together the fibers, thereby forming a preform having... Agent: Owens Corning

20080135326 - Talking sticker: A talking sticker includes a lower base material having an attachment layer attached to a bottom surface thereof; an acoustic element mounted on an upper surface of the lower base material; an actuation element electrically connected with the acoustic element to actuate it to make a sound; and an upper... Agent: Lin & Associates Intellectual Property, Inc.

20080135327 - Sound absorbing structure: A sound absorbing structure according to the present invention comprises: a housing having a front face, and a side face which is provided perpendicularly around at least a part of an edge portion of the front face; a gas adsorption material for physically adsorbing gas in an interior space delimited... Agent: Wenderoth, Lind & Ponack L.l.p.

20080135328 - Noise reduction device: A plurality of openings are provided on the surface of a body casing which comprises a noise reduction chamber, and plate members (a reflecting plate and a sound waves introduction plate) are provided extending from an edge of each opening to the noise reduction chamber. The opening edges at which... Agent: Staas & Halsey LLP

20080135329 - Monolithic acoustically-treated engine nacelle inlet panels: An acoustic, noise-attenuating panel for an aircraft engine nacelle inlet. The panel includes at least three layers: (a) a perforated film; (b) a sound attenuating core; and (c) a structural layer. The structural layer has through-holes adapted for receiving fasteners that are configured to engage structure of an engine nacelle.... Agent: Hope Baldauff Hartman, Llc

20080135330 - Sonic coupling between an intake tract or engine compartment and the interior of a motor vehicle: An apparatus for sonic coupling between an intake tract or engine compartment and a vehicle interior of a motor vehicle has a housing into which sound enters from the intake tract via a first line, and out of which sound exits into the vehicle interior via a second line. A... Agent: Christensen, O'connor, Johnson, Kindness, Pllc

20080135331 - Exhaust muffler: In order to provide an exhaust muffler for an internal combustion engine, especially a portable implement, comprising a catalyst which is arranged in a housing which has at least one inlet opening and one outlet opening for exhaust gas flowing out from the internal combustion engine into the environment, in... Agent: Kelly Lowry & Kelley, LLP

20080135332 - Double wall structure: It is an object of the present invention to obtain the configuration in which sound transmission can be decreased and sound insulation property can be enhanced in a double wall structure as an automobile part such as a door, a hood, and a truck lid. In a double wall structure... Agent: Reed Smith LLP

20080128198 - Sound-attenuating earmuff having isolated double-shell structure: An earmuff assembly with a double-shell structure is disclosed for use with a sound-attenuating circumaural headset. The earmuff assembly comprises a cup-shaped outer shell mounted on a resilient outer sealing ring and a cup-shaped inner shell mounted on a resilient inner sealing ring. By means of the two sealing rings... Agent: Roberts, Mardula & Wertheim, Llc

20080128199 - Acoustic waveguide and electroacoustic system incorporating same: An acoustic waveguide includes an internally hollow primary body provided with an opening for an incoming acoustic radiation and an outlet opening for diffusing the radiation to the outside of said guide. The primary body defines an acoustic flared conduit for propagating the radiation between the inlet opening and the... Agent: Hogan & Hartson LLP

20080128200 - Double-wall structure: A double-wall structure (1), comprising plate-like bodies (2) and (3) disposed oppositely to each other to form an inner room (4) therebetween, peripheral members (5) disposed so that the inner room (4) can be completely or approximately closed, and perforated plates (13) with a large number of holes (8) disposed... Agent: Reed Smith LLP

20080128201 - Sound absorbing structure: A sound absorbing structure having excellent in sound absorbing performance, which is capable of achieving 0.4 or higher in the sound absorbing coefficient even in the case where a perforated panel is a thin plate such as aluminum foil within a range where a reduction in the weight of a... Agent: Reed Smith LLP

20080128202 - Composite panel with reinforced recesses: A composite panel has one or more recesses, or smoothly-contoured recesses formed in one or both opposing sides of a core. Reinforcement conforming to each recess is coupled to the core at the recess. First and second facing sheets are respectively coupled to the first and second opposing sides of... Agent: National Aeronautics And Space Administration Langley Research Center

20080128203 - Particulate materials for acoustic texture material: A composition for forming a textured coating on drywall material, comprising acoustic texture material and propellant material. The acoustic texture material comprises a base portion and a particulate portion, where the particulate portion comprises at least one of urethane foam and melamine foam. The propellant material is at least one... Agent: Schacht Law Office, Inc.