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7600608 Active acoustics performance shell  
An electroacoustic shell system adapted create a performance area where sound created by a performer is received, processed, and returned to the performer in the performance area. The system...
7581619 Movable baffle columns for use with air handling units  
A sound-baffling arrangement for use in conjunction with an air-handling unit. One or more sound baffle columns are mounted for rolling or sliding movement within the interior of the air handling...
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 invention...
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...
7467687 Thermal—acoustic enclosure  
An enclosure for apparatus that, during operation, generates heat and/or sound energy comprises at least one wall defining at least a portion of the enclosure hollow interior. The wall comprises in...
7329456 Method of fabrication of an acoustical substrate into a three dimensional product  
A method of forming a box-like acoustical substrate is provided. Portions of an acoustical substrate having a decorative surface are compressed to form a flange, a first compressed region, a second...
7258196 Noise attenuator with laterally moving baffles  
A silencer or sound attenuator for gas flows that makes use of noise baffles is provided with a lateral movement mechanism which allows the baffles to be moved perpendicular to the direction of the...
6749920 High solids, low shrinkage coating  
Using a combination of relatively coarse filler and latex binder, a high solids coating which has a minimum solids content of about 60% by volume, can be produced with a relatively low working...
6725968 Acoustic door assembly with continuous cam hinge  
An acoustic door assembly generally comprises a door, a frame and a hinge. The door of the assembly is an insulated, acoustic door having a predetermined length. The frame of the assembly is...
6630222 Acoustic media  
An acoustic medium for temporary acoustic treatment of a room is formed from one or more continuous curtains, preferably, with pleated first and second major surfaces. Each pleated curtain...
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...
6520288 Acoustic door assembly  
An acoustic door assembly generally comprises a door, a frame and a hinge. The door of the assembly is an insulated, acoustic door having a predetermined length. The frame of the assembly is...
6457554 Acoustic absorber for absorbing noises in buildings  
An acoustic absorber includes an enclosure having a front opening and having a chamber communicating with the front opening for receiving an acoustic absorbing member which includes a housing...
6324294 Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements  
A vehicle having a passenger compartment with a moulded headlining to which an exciter is coupled and together forming a distributed mode acoustic radiator, the headliner providing a bass acoustic...
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 into...
6201878 Portable compact disc player  
A portable compact-disc player (41), characterized by an opposed pair of loudspeakers (81) attached to the player, and in that each loudspeaker comprises a distributed mode acoustic radiator having...
6198831 Panel-form loudspeakers  
A panel form loudspeaker/microphone combination has a distributed resonant bending wave member and two transducers mounred on the member at sites where the number of vibrationally active resonance...
6196352 Sound attenuating relocatable partition wall panel  
A sound attenuating relocatable partition wall panel. A substantially rigid first skin is secured, in a spaced apart relationship to a substantially rigid second skin generally opposite thereto....
6112851 Partition wall panel  
In a partition wall panel of the present invention, a panel is formed by arranging a plurality of plates at an interval in the direction of the thickness of the plates and by joining the plates...
6085861 Collapsible portable acoustic tower  
The acoustic tower of the present invention is a portable, acoustic tower that has both a performance position and a storage position. In the storage position, a canopy panel lies substantially...
6065717 Noise attenuating wall element  
A wall element has a noise attenuating characteristic and is suitable for use as an aircraft cabin interior panel element that is mounted directly on the aircraft fuselage structure. The wall...
6029770 Sound damping element  
A sound damping element contains an inner wall and an outer wall, between which a cavity filled with absorption material is present, which are joined to one another. At longitudinal edges of the...
5971096 Noise barrier and method of installing same  
A noise barrier includes upright-standing support columns spaced a predetermine distance from each other and each made of an H section, and a plurality of wall panels provided between two...
5777279 Sound attenuating structure  
Sound attenuating structure. The structure includes spaced apart first and second stiffened metal panels connected through a spring connection to form a sealed cavity therebetween. The stiffened...
5723831 Tackable acoustical barrier panel  
The invention is directed to a tackable/acoustical wall panel having a peripheral frame including a top rail, a bottom rail, opposed side rails and a dividing rail bisecting the panel into a first...
5665447 Sound screen insulation with asphalt septum  
A panel for an office sound screen includes a core which includes an asphalt layer and insulation layers positioned on both sides of the asphalt layer. Preferably the asphalt layer has a thickness...
5547743 Thin high density glass fiber panel  
A glass fiber structural panel has one or more planar, thin, high density, glass fiber mat laminates. Each glass fiber mat laminate has layers of glass fiber mat and intermediate layers of pliable,...
5416285 Acoustical door  
An acoustical door including a multiple ply core with individual plies separated from one another by intervening spacer networks. The networks provide generally uniform sound damping spaces between...
5411623 Method of manufacturing sound abatement blankets with non-overlapping seams  
A method of manufacturing sound abatement blankets is provided. As manufactured, the blanket has a polyvinylchloride outer shell, an inner membrane, an insulated peripheral flap, grommets disposed...
5403979 Easily raisable and lowerable telescopic shell tower acoustic system and methods of making and using the system  
An acoustic shell tower module of sound enhancing character assemblable with other such towers to form an orchestral shell, has a first sound enhancing panel mounted on a generally horizontally...
5392572 Rapidly erectable, removable, reusable and raisable outdoor acoustical wall system and method  
A rapidly erectable, removable, reusable, and raisable acoustical wall system is provided that comprises a plurality of wall panels, each of which has opposing side edges which include a front edge...
5260525 Panel assemblies  
Various improvements of a modular wall assembly of the type having panels with channels formed along the side edges of the panels are described. The improvements include the formation of at least...
5217771 Sound barrier  
A device is provided preventing the transmission of sound, the device being fabricated of polymer composition and comprising a hollow core member formed of fiber-reinforced thermosetting resin, and...
5058705 Sound-absorbing cover element as a component in a gap-free acoustic cover  
A sound-absorbing cover element for use as a component in a gap-free acoustic cover including a perforated plate (22) covered on its side facing an enclosed space with a layer (24) of nonwoven...
4998598 Acoustical door  
A light-weight acoustical door is comprised of a wood frame separating and joining first and second panels and providing a space between the panels which filled with fibrous sound-absorbing...
4989688 Acoustical wall panel and method of assembly  
A movable, prefabricated wall panel having a rigid frame. Internal to the rigid frame is a structural acoustical core, consisting of a grid with a plurality of individual cells, each filled with...
4960184 Sound absorbing structure  
A sound absorbing panel structure is formed of a panel of sound absorbing material, such as a felt mat or fiberglass mat, and spaced apart, parallel strips of a decorative non-sound absorbing...
4958700 Protective facility for suppressing noise produced at high gas flows by engines installed on aircraft  
A protective facility for suppressing jet aircraft noise which has a primarily horseshoe shape for surrounding a jet aircraft. Within the horseshoe and situated to the rear of any plane within the...
4924969 Acoustic door  
An acoustic door comprises a frame as well as a first panel of gypsum mounted on the frame and having its outer face covered with a sheet of metal and its inner face covered with a layer of lead...
4913261 Acoustical absorber  
A readily removable and replaceable acoustical absorber for mounting in a channel that utilizes a flexible grid within the absorber to support the absorber on flanges of angles mounted on the...
4891920 Acoustical wall panel  
An acoustical wall panel assembly in which each wall panel includes a rectangular metallic frame member, an acoustical core panel fixedly secured within the frame, and a decorative panel. The...
4875312 Wall panelling for altering the acoustic properties of a wall  
A wall panelling for altering the acoustic properties of a wall, comprising wall elements adapted to have their orientation altered with respect to the wall. The wall panelling comprises a...
4832152 Acoustic tile  
An acoustic tile that provides soundproofing in a modular wall, such as is used in a modular panel office system, comprises a rigid rectangular metallic frame, a septum formed of a calcium...
4761921 Sound-masking system for core modules used in an office  
An acoustic sound-masking system carried in a core module provides conversational privacy for workers in an open-plan office space. The core module is movable to a desired location on the open...
4750586 Multi-tubular acoustic baffle system  
A multi-tubular acoustic absorber panel system suited particularly for use in open office environments or workspaces with unwanted echoes, excessive noise, or the need for enhanced acoustic...
4690421 Crossover shelter between sections of articulated road and rail vehicles  
A gangway bellows is used as a cross-over shelter between two vehicles which are flexibly connected to each other. The sidewalls of the gangway bellows have a double-wall design. Each internal wall...
4682670 Portable adjustable acoustic absorber  
A portable acoustic absorber system which can be used in particular in open office environments or in large spaces with unwanted echoes or excessive noise. The device operates by supporting and...
4630416 Acoustical panel  
A movable, prefabricated wall panel having a rigid rectangular frame. A core structure is disposed in the region bounded by the frame, which core structure preferably comprises at least one...
4621709 Sound attenuating partitions and acoustical doors  
A sound attenuating partition or door construction which includes outside rigid panels having significantly different thicknesses, a void being left between the panels, a sheet characterized as a...
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