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Match Document Document Title
9027706 Enhanced, lightweight acoustic scrim barrier  
An enhanced, lightweight acoustic absorber is provided. The acoustic absorber is bounded by the at least one scrim layer without need for additional layers, such as melt-blown or nonwoven layers....
8789652 Attenuators, arrangements of attenuators, acoustic barriers and methods for constructing acoustic barriers  
An attenuator for attenuating acoustic waves, the attenuator comprising: a first body defining a cavity therein and an elongate open aperture extending across a substantial portion of the first...
8689934 Sound absorbing structure  
A sound absorbing structure includes multiple sound absorbers. The sound absorbers are assembled together into a sound absorbing member. The sound absorbing member absorbs sound emitted from a...
8668046 Baffle  
A baffle is provided that includes at least one carrier and a sealer disposed in a recess. When placed in a cavity, such as a vehicle cavity, sealer also expands into the cavity to seal the...
8636104 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...
8631901 Acoustic structure  
An acoustic structure includes plate members defining a plurality of hollow regions in parallel relation to each other. Opening portions are formed in one surface (reflective surface) of the plate...
8573356 Adjustable device for acoustic modification  
An adjustable sound panel having a sound diffusing element and a sound absorbing element.
8360201 Sound absorbing structure and sound chamber  
A sound absorber is formed by covering the opening of a housing with a vibration member having a flat shape or a film shape so as to define an air layer therebetween. The sound absorber is...
8270627 Adaptive noise control system  
An adaptive noise control system is deployed in a box-like structure positioned within the transfer path along which the noise is being transmitted from the source of the generated noise to the...
8184820 Indirect acoustic transfer control of noise  
A noise control system is directed to the path along which the noise is transmitted from the source of the noise being generated to the receiver of the noise in the passenger compartment of an...
8157052 Acoustic structure  
In an acoustic structure, sound absorbing effect is achieved by interference between incident waves falling in an opening portion and reflected waves radiated from the opening as a result of...
8144889 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...
8136630 Architectural acoustic device  
An acoustic device and a method for altering sound. The acoustic device includes an architectural structure having a solid body. The architectural structure is adapted to be mounted on a wall of a...
8132644 Method and apparatus for the reduction of sound  
A method and apparatus for the reduction of sound travelling in a wave-guide in the air above the ground is presented, comprising the provision below the ground of at least a top layer which, at...
8028791 Sound reflective acoustic panel  
A sound reflective acoustic panel includes a panel having a scored surface. The scored surface includes a plurality of substantially parallel spaced apart kerfs. The kerfs are configured to allow...
8006802 Acoustic structure and acoustic room  
In a hollow member, a portion of a hollow region adjoining and communicating with an opening portion is constructed as an intermediate layer. The intermediate layer is constructed in such a manner...
8005235 Multi-chamber noise control system  
A noise control system is 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...
7971680 Acoustic systems for lighting in suspended ceilings  
An acoustic housing, a light fixture, a suspended ceiling system, and a method of decreasing sound transfer from a light fixture in a suspended ceiling are disclosed. An acoustic hood for a light...
7819221 Lightweight acoustic damping treatment  
A flexible membrane is attached to an internal wall of the fairing of a flight vehicle. The membrane is inflated with gas to achieve a shape that couples with and thereby attenuates the first...
7762375 Soundproofing material  
The object of the present invention is to provide a soundproofing material that is lightweight and has sufficient soundproofing performance. The present soundproofing material includes a frame...
7703575 Three-dimensional tessellated acoustic components  
A set of acoustic components having complementarily tessellated shapes such that they may be nested together to constitute a rectangular parellelepiped, suitable for efficient storage and...
7574833 Acoustic device for use on office partitions  
This invention is a device that is mounted on the top of a movable office partition to improve the acoustical efficacy of the partition. It is equally effective on new or on existing partitions...
7571790 Sound absorption block and method of constructing the same  
A sound absorption block installed at a music box, a gymnasium, a studio, etc. to prevent sounds from being heard outside, and a method of constructing the same are disclosed. The present...
7565951 Wall mountable acoustic assembly for indoor rooms  
An acoustic assembly including a thin sound absorbing panel supported by foldable mounting brackets is adapted to be mounted upon the walls of an indoor listening enclosure. The space behind the...
7562743 Acoustical window and door covering  
An acoustical dampening barrier, for an opening in a wall, that is translatable to an open position to allow access to the opening, the fixed barrier including a first barrier layer made of at...
7464790 Sound insulation/absorption structure, and structure having these applied thereto  
A sound insulation/absorption structure, a sound insulation/absorption device, and a structure having these applied thereto and a member constituting the same, are capable of insulating or...
7364221 Reduction of vibration transfer  
A thermally expandable material is provided that, once expanded, has a Young's storage modulus E′ between 0.1 MPa and 1000 MPa, a loss factor of at least 0.3 (preferably, at least 1) and...
7249654 Heat insulating acoustical structure and carbody shell structure using the same  
To obtain a wide passenger compartment space, the thickness of a heat insulating acoustical layer is reduced, and for this purpose, a comfortable in-car environment is obtained by using a vacuum...
7178630 Acoustic device for wall mounting for diffusion and absorption of sound  
A wall-mountable acoustic device for absorption of sound in an indoor area is constructed of self-supporting interbonded rockwool mat material. The primary component made of the mat material is...
6877585 Acoustical ceiling tiles  
A system for improved sound absorption, including a substrate of porous insulation material and of a first air flow resistance, and a facing material attached to the substrate and of a second air...
6851515 Soundproofing panel, in particular structural or lining panel for a rotorcraft  
The invention concerns a sound-proofing panel, in particular a rotorcraft structural or lining panel: the sound-proofing panel (1) comprises at least two opposite plates (2, 3, 5, 6) forming...
6810683 Thermostatic expansion valve exit flow silencer device  
An apparatus for manipulating the air temperature within an interior compartment of a vehicle includes a compressor, a condenser, and an evaporator interconnected in a manner to remove heat from...
6789646 Tunable sound absorbing and air filtering attenuating device  
Acoustical attenuating devices (52) and method of forming them. The attenuating devices (52) include an exterior layer (64), a sound absorption layer (66), and multiple perforated layers (68)...
6772859 Embodiments of aperiodic tiling of a single asymmetric diffusive base shape  
Embodiments of aperiodic tiling of a single asymmetrical diffusive base shape employ welled or stepped one-dimensional or two-dimensional diffusors, a single or compound curved surface, or an...
6617002 Microperforated polymeric film for sound absorption and sound absorber using same  
Microperforated polymeric films and sound absorbers using such films are provided. The microperforated polymeric films may be relatively thin and flexible and may further include holes having a...
6613424 Composite structure with foamed cementitious layer  
The present invention provides for an acoustically absorbent porous panel that is both rigid and resistant to sagging caused by moisture. The acoustically absorbent porous panel is comprised of at...
6598358 Use of aerogels for deadening structure-borne and/or impact sounds  
Aerogel particles, in particular in the form of composite materials, are used to deaden structure-borne and/or impact sounds.
6581724 Sound absorbing closure panels for sound isolation modules  
The invention provides a method for acoustic closure of an installation of a row of sound isolation modules within a host building encompassing the modules. One or more acoustic absorbing closure...
6491134 Air-coupled surface wave structures for sound field modification  
A surface wave apparatus is disclosed having reduced sound attenuation across a surface along a known path having a path distance when compared to sound attenuation along a same path distance...
6450289 Noise attenuation device  
A noise attenuation device having an array of quarter wave resonators which have varying mouth widths disposed adjacent an aperture or ventilation opening having a predefined width. The resonators...
6446751 Apparatus and method for reducing noise levels  
A flexible sound shielding curtain contains a plurality of sound insulating sheet inserts encased within pockets or otherwise secured on the exterior surfaces of the panels of a curtain. The sound...
6443257 Acoustical panel having a calendered, flame-retardant paper backing and method of making the same  
Disclosed is a multi-layered, substantially rigid and self-supporting acoustical panel. Preferably, the panel includes an acoustically absorbent semi-rigid core having a substantially continuous...
6431312 Motorized and computer operated variable acoustics treatment  
A motorized and computer controlled TRIFFUSOR® acoustical treatment system includes a plurality of TRIFFUSOR® banks mounted in various locations within a listening room. Mechanical actuators such...
6382351 Sound reducing panel for animal housing rooms  
A sound reducing system comprises a housing, acoustic baffle, and acoustic netting. The acoustic baffle is covered with a waterproof protective casing which protects the acoustic baffle from dirt...
6371240 Anechoic chamber  
The modular anechoic panel system provides modular anechoic panel for construction of anechoic chambers particularly advantageous for use in sound testing and measurement. The modular anechoic...
6367581 Sound absorbing light fixture  
A sound absorbing light fixture (42) installed in a surface system, such as an elevator ceiling system (40), of an enclosed interior, such as the interior (32) of an elevator cab (32) is...
6321871 Acoustic panels and the like  
An acoustic panel is constructed of a rectangular frame (1). A first face of the panel is covered by a membrane (2) which is at least substantially transparent to audio frequency sound waves. The...
6305495 Surfacing panels for acoustical ceiling systems  
A rigid lightweight surfacing panel for providing a new surface for existing panels in acoustical panel ceiling systems, the surfacing panel having a degree of flex so to allow it to be pushed...
6290022 Sound absorber for sound waves  
The broadband surface-like absorber of the invention is used, in particular, for absorbing troublesome airborne noise in the acoustic frequency range. The broadband surface-like absorber, which...
6283247 Fabric retainer for acoustic structure and methods of installation  
Fabric retainers and methods for installing the fabric retainers within an acoustically treated room. The fabric retainers have a fabric retaining portion, and a chase or a raceway for running...

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