Acoustics inventions 09/08

20080230303 - Stethoscope shield system and method of shielding stethoscope using the same: A stethoscope shield system comprising a plurality of substantially planar shield stacked one upon the other with an adhesive disposed therebetween, each of the shields including a first surface having the adhesive applied thereto and a second surface such that adjacent shields adhere to one another with the first surface... Agent: Studebaker & Brackett PC

20080230304 - Membrane for an electroacoustic transducer: A membrane (2′) for an electroacoustic transducer (1) is disclosed having a first area (A1), a second area (A2), which is arranged for translatory movement in relation to said first area (A1), and a third area (A3), which connects said first (A1) and said second area (A2), wherein local, planar... Agent: Nxp, B.v. Nxp Intellectual Property Department

20080230305 - 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 absorbing structure in which a plurality of penetrating openings are provided by arranging a plurality of acoustic materials having a predetermined shape... Agent: Townsend And Townsend And Crew, LLP

20080230306 - Muffle chamber duct: A pipe is incorporated in an intake system and having a first hole for a noise in the intake system to be released therethrough. A cover covers the pipe for attenuating the noise, having a second hole.... Agent: Young & Thompson

20080230307 - Muffle duct: A pipe is incorporated in an intake system and has a first hole for a noise in the intake system to be released therethrough. A cover covers the pipe for attenuating the noise and has a second hole coinciding with the first hole circumferentially of the pipe.... Agent: Young & Thompson

20080230308 - Decorative acoustic absorber forming a wall element: The invention relates to a decorative acoustic absorber (1), which is for example colored and/or has a graphic design applied to it, forms a wall element and has an acoustic material and a visible side. In order to provide an acoustic absorber formed as a wall element which provides the... Agent: Collard & Roe, P.C.

20080230309 - Multilayer articles having acoustical absorbance properties and methods of making and using the same: Multilayer articles having acoustical absorbance properties are disclosed. Methods of making and using the multilayer articles are also disclosed.... Agent: 3m Innovative Properties Company

20080230310 - Curved panel for acoustical shell, method of manufacturing the same, and acoustical shell using the same: The present invention provides an acoustical shell for stage sets which is light and easily handled, which has no deformation of a curved surface for a long-period installation, in which a surface to reflect sound is broad and it is possible to prevent a resonance phenomenon due to a cavity,... Agent: Lowe Hauptman Ham & Berner, LLP

20080223652 - Single duct silencing terminal unit: An apparatus and method for attenuating the sound generated by a single duct terminal unit in an HVAC (heating, ventilating, and air conditioning) system. The apparatus utilizes internal geometry to minimize noise due to air disturbances and aerodynamic effects within the apparatus.... Agent: Smith, Gambrell & Russell

20080223654 - Low mass acoustically enhanced floor carpet system: A low mass acoustically enhanced floor carpet system for vehicles. In a first embodiment, the carpet assembly comprising a face layer and an opposite lower fiber mat. The carpet assembly further including a primary backing if the face layer is tufted, a back coating layer, an upper fiber mat, and... Agent: Butzel LongIPDocketing Dept

20080223653 - Poroelastic acoustical foam having enhanced sound-absorbing performance: An optimal shape of a poroelastic acoustical foam which can maximize sound-absorbing effect is disclosed. The poroelastic acoustical foam is made of a wedge-shaped wedge unit where the cross section is reduced in one direction, and a bowl-shaped bowl unit where formed at one end of the wedge unit where... Agent: Nath & Associates PLLC

20080223655 - Acoustic absorber for aircraft engines: The present invention relates to an acoustic absorber that is particularly suitable for aircraft engines and has a honeycomb-shaped 3-dimensional structure, which absorbs engine noise when used in an engine. The structure has a plurality of folded honeycomb structures formed by folding a flat semi-finished product.... Agent: Greenblum & Bernstein, P.L.C

20080217101 - Method of reducing noise emissions at the rear of a turboshaft engine and turboshaft engine thus improved: The invention relates to a method of reducing noise emissions at the rear of a turboshaft engine and to a turboshaft engine thus improved. According to the invention, the thickness of the rear part (9R) of the sound-attenuating coating which is borne internally by the external fan cowl (10) is... Agent: Stevens Davis LLP