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| Number | Title | Issue Date |
| 7909133 | Glazing unit having an improved vibroacoustic damping property, process for manufacturing such a glazing unit and process for acoustic protection in a vehicle passenger compartment A glazing unit with an improved vibroacoustic damping property including at least one sheet of glass and at least one vibroacoustic damping strip that is attached to at least one of the faces of the glass sheet and that includes at least one component made of dampin... | 03/22/2011 |
| 7828113 | Methods and apparatus for controlling vibration of enclosures, particularly loudspeaker enclosures A beam 14 having, at one end, a tie-point 11 screwed to reference location 12 of vibrating panel 15. At the other end of beam 14 is rubbing-point 13. Rubbing-point 13 is pushed into contact with panel 15 at con... | 11/09/2010 |
| 7717228 | Sound absorbing element and method for producing a sound absorbing element A sound absorbing element, in one example, includes a first wall area, a second wall area as well as a plurality of spring elements. In this arrangement, the first wall area and the second wall area are arranged so as to be spaced apart by a clear space. In one exam... | 05/18/2010 |
| 7424930 | Vibratory energy dissipation and isolation with magnetically biased rolling members A coupling device is interposed between an electronic or electro-acoustic component and a supporting structure for draining, transmitting and dissipating vibratory energy generated within the component, while isolating the component from vibratory energy emanating f... | 09/16/2008 |
| 7355776 | Acoustic damping material for electro-optic materials An acoustic damping material for electro-optic material has an adhesive material combined with a ceramic crystalline material such that the acoustic impedance of the combined adhesive material and the ceramic crystalline material is substantially the same as the aco... | 04/08/2008 |
| 7335421 | Heatable windshield A heatable transparency includes a first ply having a No. 1 surface and a No. 2 surface and a second ply having a No. 3 surface and a No. 4 surface. The No. 2 surface faces the No. 3 surface. An electrically conductive coati... | 02/26/2008 |
| 7328770 | Strap silencer There is a noise reduction device for reducing noise from a vibrating strap. There is a securing member including a strip of material having a first surface including hook material and a second surface including loop material, wherein the securing member is configur... | 02/12/2008 |
| 7322441 | Extended bandwidth folded well diffusor An extended bandwidth folded well diffusor extends the diffusion bandwidth of a shallow, asymmetric diffusor by incorporating maximum-depth, folded L-shaped, half-width wells on both ends (sides) of a diffusor, thus providing increased maximum well depth without inc... | 01/29/2008 |
| 7290642 | Magnetic spring device with negative stiffness A magnetic spring device with negative stiffness contains at least one first pole body combination composed of at least one first, at least one second and at least one third pole body, which each have opposite magnetic poles, with the pole bodies in the combination ... | 11/06/2007 |
| 7287474 | Consumer pyrotechnics support apparatus A reusable pyrotechnics support device for securely holding consumer ground-based fireworks (for example, fountains, mortars, multiple aerials, and the like) in a vertical and upright position, using a sufficiently wide base that is resistant to tipping over. In cer... | 10/30/2007 |
| 7270215 | Loudspeaker enclosure with damping material laminated within internal shearing brace A loudspeaker cabinet with a laminated internal brace which has a first rigid layer coupled to a first exterior panel of the cabinet, a second rigid layer coupled to an a second exterior panel of the cabinet, and a damping layer affixed between the rigid layers wher... | 09/18/2007 |
| 7267196 | Method and apparatus for reducing acoustic noise A squeeze film damper reduces acoustic wave transmission by the damping and spring forces produced by squeezing a very thin layer of air trapped between two vibrating plates. The damping effect is most pronounced when the gap between vibrating plates is very small, ... | 09/11/2007 |
| 7267870 | Pressure-sensitive adhesive sheet for steel plates A pressure-sensitive adhesive sheet for steel plates, which comprises a backing and a resin layer, wherein the backing comprises a resin-coated glass cloth obtainable by coating a glass cloth with a resin emulsion (A) followed by coating with a resin emulsion (B) wh... | 09/11/2007 |
| 7255822 | Process for manufacturing a composite sheet A method of manufacturing a composite sheet includes perforating a reinforcement panel. A mold surface onto which the composite sheet may be formed is provided. At least one outer coat of material is applied onto the mold surface. At least one coat of resin and rein... | 08/14/2007 |
| 7240766 | Sound dampening pad An easy to manufacture and install sound dampening pad for a printing blanket sleeve is provided. The pad effectively attenuates noise emanating from the sleeve during air pressurized mounting and dismounting of the blanket sleeve to an underlying cylinder. The soun... | 07/10/2007 |
| 7223940 | Heatable windshield An electrically heatable transparency has at least one substrate, a first bus bar spaced from a second bus bar, and a conductive coating formed over at least a portion of the substrate. The first and second bus bars are in electrical contact with the coating. At lea... | 05/29/2007 |
| 7210555 | Low frequency acoustic attenuator for use in downhole applications An acoustic attenuator includes a housing having an inner side surface which defines an interior chamber and at least one dampening member both physically and acoustically coupled to the housing and projecting into the interior chamber. Acoustic energy propagating w... | 05/01/2007 |
| 7197852 | Internally stiffened composite panels and methods for their manufacture Internally stiffened composite panels and associated manufacturing methods. In one embodiment, an internally stiffened composite panel includes a first face sheet, a second face sheet offset from the first face sheet, and at least one core portion sandwiched between... | 04/03/2007 |
| 7113064 | Active device for damping the vibrations of a vibrating element An active device for damping vibration comprises an actuator comprising a magnetically permeable armature and a coil associated with a magnetically permeable yoke sliding along a displacement axis under the effect of a magnetic field generated by a current conveyed ... | 09/26/2006 |
| 7102474 | Adaptable vibration absorber employing a magnetorheological elastomer with variable gap length and methods and systems therefor The inventions include an adaptive vibration absorber (AVA) and variation thereof including variations in methods and systems of usage. An exemplary AVA may operate adaptively over an appropriate relatively wide bandwidth or frequency range in vibration absorption w... | 09/05/2006 |
| 7083147 | Modularized insulation, systems, apparatus, and methods Modularized insulation blanket for thermal and/or acoustical insulation. The modularized insulation blanket has a cover formed of a distal layer and proximal layer in sealed mated relationship. The distal and proximal layers are sealed along longitudinal and latitud... | 08/01/2006 |
| 7070848 | Vehicle acoustic barrier An acoustic barrier that achieves excellent noise insulating properties, and is relatively thin and relatively light in weight includes a flexible thermoplastic barrier layer having a plurality of apertures defining a latticed structure which includes apertures for ... | 07/04/2006 |
| 7048247 | Support leg device for equipment case A support leg for an equipment case is made of a support leg main body and a stand base. The main body defines a concave (recessed) portion in the bottom thereof. A spire head portion that defines a spike is disposed in the concave portion so the spike does not exte... | 05/23/2006 |
| 7036530 | Energy attenuation device for a fluid-conveying line and method of attenuating energy in such a line An energy attenuation device for a fluid-conveying line, and a method for attenuating energy in such a line, are provided. The device includes one or more hose sections disposed in the fluid-conveying line, and at least one spring disposed in at least a portion of e... | 05/02/2006 |
| 7025305 | Aircraft panel An aircraft panel comprising a sandwich construction with an outer skin portion of high strength material, an inner portion of high strength material and an intermediate core material. The core material includes areas with low density core material and a reinforceme... | 04/11/2006 |
| 6979499 | Image display system utilizing light emitting material A display system includes at least one light emitting material having an absorption band carried on a support, wherein the support is a laminated article having a first ply and a second ply; and a projection assembly having an electromagnetic radiation source, the p... | 12/27/2005 |
| 6958567 | Active/passive distributed absorber for vibration and sound radiation control The active/passive absorber for extended vibration and sound radiation control includes principally two layers. The first layer has a low stiffness per unit area which allows motion in the direction perpendicular to its main plane. The second layer is principally a ... | 10/25/2005 |
| 6949295 | Structural panel and method of manufacture A fibrous core material is disposed between and bonded to metal skins to form a structural laminate having comparable strength to steel sheets of greater weight. ... | 09/27/2005 |
| 6896097 | Mounting structure of speaker for vehicle A speaker box is covered with a buffer material exclusive of a portion where an acoustic output is derived from a speaker unit. The speaker box covered with the buffer material is attached to the surface of a wall member such as an interior member of a vehicle body ... | 05/24/2005 |
| 6849053 | Shock wave source with a wave damping coil carrier A shock wave source has a coil carrier, a coil, having a metallic membrane separated from the coil in insulating fashion for generating shock waves. The coil carrier is formed of a material that damps the formation and/or the propagation of audible acoustic waves in... | 02/01/2005 |
| 6845842 | Vibration-proofing structure for hollow pipe for vehicle To make it possible to fit a vibration-proofing member into a hollow pipe, without impairing the appearance and without increasing the number of component parts. A hollow pipe formed by extrusion of a light alloy is integrally provided on an inside surface thereof w... | 01/25/2005 |
| 6837859 | Shock wave source with a coil carrier having a non-circular contour A shock wave source has a coil carrier, having a longitudinal axis, a coil and a metallic membrane separated from the coil in insulating fashion for generating shock waves. The coil carrier has a generated surface, a first cover surface facing toward the coil and a ... | 01/04/2005 |
| 6805219 | Engine cover An engine cover has a cover body having a through hole penetrating both sides of the cover body in an area opposed to a resonant space in which resonant sounds are generated. An opening of the through hole is covered with the sound absorbing member layer. Because a ... | 10/19/2004 |
| 6786298 | Vibration-absorbing structure for support section of a self-vibratory electronic member A vibration-absorbing structure for support section of a self-vibratory electronic member. The vibration-absorbing structure is integrally made of resilient gum material and has a top face, a bottom face, at least one insertion section between the top and bottom fac... | 09/07/2004 |
| 6783835 | Elastomeric damping sheets A bulk modulus elastomeric element is employed in the present invention. The material from which the invention is fabricated is formed as a sheet, which has a plurality of channels that run through, or partially through it. The holes in the sheet are angled such tha... | 08/31/2004 |
| 6772855 | Damper for speaker and method of producing the same A damper for a speaker includes an auxiliary damper 12 impregnated with a thermosetting resin, a laminate film 121 laminated on the auxiliary damper 12, and a primary damper formed on the auxiliary damper 12 or the laminate film 121 | 08/10/2004 |
| 6749924 | Stacked sheet shock absorbing elastomeric device A stack of sheet elastomers, each having multiple holes therein, dissipates shock forces applied to it. The elastomeric sheets are formed with identical holes each of which have a periphery that is symmetrical around the centers of the holes that extend over a shock... | 06/15/2004 |
| 6705427 | Exhaust system support structure An exhaust system support structure is provided with a vehicle body bracket, a vibration insulating member and an exhaust bracket. The vehicle body bracket has a base part that is coupled to a vehicle body member, and a pair of support parts extending from the base ... | 03/16/2004 |
| 6700304 | Active/passive distributed absorber for vibration and sound radiation control The active/passive absorber for extended vibration and sound radiation control includes principally two layers. The first layer has a low stiffness per unit area which allows motion in the direction perpendicular to its main plane. The second layer is pri... | 03/02/2004 |
| 6644435 | Composite sound insulation system for room boundary surfaces The composite sound insulation system for room boundary surfaces includes a sound-proofing layer (D) in communication with the corresponding floor, wall, or ceiling covering (V) which preferably has an inner loss factor ηint of at least 0.1, a... | 11/11/2003 |
