Quotables
"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8439160 | Acoustic suppression systems and related methods An acoustic suppression system for absorbing and/or scattering acoustic energy comprising a plurality of acoustic targets in a containment is described, the acoustic targets configured to have resonance frequencies allowing the targets to be excited by incoming acou... | 05/14/2013 |
| 8424637 | Systems and methods for providing an asymmetric cellular acoustic diffuser The present invention relates to providing an acoustic diffuser. In particular, the present invention relates to systems and methods for providing an asymmetric cellular acoustic diffuser adapted to diffuse sound waves that encounter a surface. Further, the present ... | 04/23/2013 |
| 7631727 | Sandwich structure with frequency-selective double wall behavior A description is given of a sandwich structure which comprises a core and outer layers arranged on both sides of the core, in which the core has core clearances which are dimensioned such that the acoustic behavior of the sandwich structure in the region of the core... | 12/15/2009 |
| 7434659 | Acoustic septum cap honeycomb An acoustic structure that includes a honeycomb having cells in which septum caps are located. The septum caps are formed from sheets of acoustic material and include a resonator portion and a flange portion. The flange portion has an anchoring surface that provides... | 10/14/2008 |
| 7419031 | Integrally damped composite aircraft floor panels In accordance with the present invention an aircraft floor panel is provided comprising a honeycomb core element having an upper core surface, a lower core surface, and a core thickness. An upper face sheet assembly is mounted to and seals the upper core surface and... | 09/02/2008 |
| 7416773 | Sound absorbing body In order to provide a sound-absorbing body which has both a thin thickness and improved sound-absorption characteristics with regard to a low tone range sounds, the sound-absorbing body (1) includes: an organic hybrid sheet (2) constituted from an orga... | 08/26/2008 |
| 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 |
| 7314114 | Flat panel diffuser A device including a membrane having first and second faces; a first substrate disposed on the first face of the membrane and having (i) a plurality of first absorptive regions and (ii) a plurality of first reflective regions formed as wells in a face of the first s... | 01/01/2008 |
| 7297390 | Structural polymer core assembly, method of manufacture and method of use A composite structure, and method of manufacturing it, having a specified width, length, and height defining a top and bottom the composite structure. The composite structure includes a three dimensional structural core constructed of a polymer with a first series o... | 11/20/2007 |
| 7226656 | Thermoformable acoustic sheet A thermoformable acoustic sheet formed by a compressed fibrous web including high melt and adhesive thermoplastic fibres in which the adhesive fibres are at least partially melted so that in the compressed web the adhesive fibres at least partially coat the high mel... | 06/05/2007 |
| 7137477 | Sound absorbers The present invention relates to a sound absorber consisting of a first non-woven fabric facing towards the sound-emitting source having a layer thickness within a range of from 2 to 15 mm, a density within a range of from 50 to 500 kg/m3, a weight per su... | 11/21/2006 |
| 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 |
| 7066532 | Ultrathin structural panel with rigid insert An ultrathin covered structural panel includes a panel body made from a relatively lightweight moldable material such as expanded polypropylene (EPP), expanded polystyrene (EPS), expanded polypropylene with added strengtheners (XPP), polystyrene/polyphenylene ether ... | 06/27/2006 |
| 7055649 | Multi-density sound attenuating laminates and methods of making same Sound attenuating laminates, and methods of making the same, are provided. Heat is applied to a surface of a non-woven, fibrous layer of material to form a stratum of melted fibers having a density greater than that of the remainder of the fibrous layer. The density... | 06/06/2006 |
| 6983821 | Acoustical panel having a honeycomb structure and method of making the same An acoustically absorbent porous panel with a layer constructed from a substantially continuous open-celled porous material comprising a cured foamed cementitious material including a first face and a second face. The first face has a surface with a substantially pl... | 01/10/2006 |
| 6878432 | Panel A panel structure for a transport machine is disclosed which is constituted by an integral combination of an outer panel and an inner panel. The inner panel has reinforcing protuberances and recesses, possessing a higher rigidity than the outer panel. The protuberan... | 04/12/2005 |
| 6830796 | Acoustic board with an improved composite structure An acoustic board with an improved composite structure (1), suitable for reducing the sound of aircraft engines, wherein an upper layer consists of a fabric (7) having a high sensitivity to sound velocity and a supporting sheet (4) having a cert... | 12/14/2004 |
| 6789645 | Sound-insulating sandwich element A multilayered, sound-insulating, mechanically strong sandwich element comprising two facing layers (1) substantially attached to a plastic foam core consisting of at least two layers (2) which are joined through contact points (also called bridges) ( | 09/14/2004 |
| 6713150 | Acoustically effective rear parcel shelf The invention relates to a component part, especially a rear parcel shelf, and to a method for the production thereof, whereby the component part is provided with a honeycomb-like core layer (2) which is provided with a reinforcing layer (3, 4) on each... | 03/30/2004 |
| 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 preferably has one or more series of collapsible elongated tubular... | 10/07/2003 |
| 6595321 | Floor mats having peripheral apertures with acoustic absorbing material A multi-layer acoustically absorptive mat includes a base layer having a peripheral portion with a plurality of apertures formed in the peripheral portion in adjacent, spaced-apart relationship. A face layer disposed adjacent the base layer. An acoustic a... | 07/22/2003 |
| 6596389 | Foamed composite panel with improved acoustics and durability An acoustical panel formed from a fibrous, open-celled material comprised of up to about 50% by weight fibers, between about 3% and about 10% by weight binder, between about 20% and about 75% by weight filler and about 0.01% to about 2.0% by weight surfac... | 07/22/2003 |
| 6590993 | Panel-shaped loudspeaker A panel-shaped loudspeaker includes a panel (1) and an exciter coupled to the panel. The panel is provided with two parallel extending thin walls (1a, 1b) which are interconnected by a structure of thin strip-shaped partitions (1c) situated between the wa... | 07/08/2003 |
| 6584736 | Stand-mountable foam-type acoustic panel A foam-type acoustic panel is designed to be mountable on a stand having a shaft. The acoustic panel includes a main body portion. The main body portion has a first end, a second end, a front surface, a rear surface, a top surface, a bottom surface, and f... | 07/01/2003 |
| 6569509 | Ultralight, sound and shock absorbing component set The invention relates to an ultralight, sound and shock absorbing component set comprising at least one base layer (2), an intermediate layer (3) and a covering layer (6). The intermediate layer (3) consists of a plurality of hollow bodies (4) arranged ne... | 05/27/2003 |
| 6568135 | Sound absorbing structure A sound absorbing structure including a sound absorbing member, an air layer, and a resonant sound absorbing structure. The air layer is formed in the rear of the sound absorbing member. The resonant sound absorbing structure includes a slit and is formed... | 05/27/2003 |
| 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 having a number of apertures for receiving and dissipating nois... | 10/01/2002 |
| 6420447 | Viscoelastic damping foam having an adhesive surface The invention relates to a viscoelastic damping foam with an adhesive surface for adhesion coupling to vibrating surfaces, for solid-borne sound absorption. The viscoelastic damping foam is obtained through the stoichiometric reaction of a polyisocyanate ... | 07/16/2002 |
| 6371242 | Noise attenuation panel In the manufacture of a noise attenuation panel for an aeroengine nacelle an adhesive film is applied to a front face of a cellular component of the panel. The adhesive film is caused to reticulate to the ends of the walls of the cells at the front face o... | 04/16/2002 |
| 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 response when resonating. A mid/high frequency acoustic ra... | 11/27/2001 |
| 6244378 | Dual sonic character acoustic panel and systems for use thereof An acoustically significant composite panel having a general sound-absorbing face (or a general sound-diffusing face) and a tuned sound-absorbing face. Such a panel includes a sandwich or composite of a first layer of molding media, a honeycomb of cells a... | 06/12/2001 |
| 6203656 | Acoustic liner manufacture An acoustic liner is made by placing a raw adhesive septum between a pair of opposite honeycomb cores, and curing the septum to integrally bond the cores thereto.... | 03/20/2001 |
| 6200664 | Explosion barrier A barrier for containing an explosion in a room or the like. The barrier is a structural panel comprising a base sheet, a plurality of truncated polyhedral elements secured to and projecting from the base sheet, and a face sheet covering and secured to th... | 03/13/2001 |
| 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 anti-nodes is relatively high. One transducer is capable o... | 03/06/2001 |
| 6153286 | Sound absorbent component and process for manufacture of the same A sound-absorbing cellular component is produced in multiple-chamber array, using a grid of spaced elongate rods, and by engaging to the rods of said grid a foil of deformable sheet material which is then drawn by deformation through spaces between rods, ... | 11/28/2000 |
| 6123171 | Acoustic panels having plural damping layers An acoustic panel having at least two compressible, flexible, acoustic foam damping layers separated by at least two rigid layers. In one preferred embodiment, a first rigid layer has a second flexible foam layer spray applied, with a further spray applic... | 09/26/2000 |
| 6033756 | Apparatus for and method of attenuating acoustic energy A sound attenuating element is provided which comprises a closed cell foam layer (2) having a plurality of channels (4) formed therein. The element is, in use, placed adjacent a surface such that an air gap is formed between the foam layer and the surface... | 03/07/2000 |
| 6021612 | Sound absorptive hollow core structural panel A sound absorbing hollow core panel of structural material based on Helmholtz resonator properties consisting of two exterior skins connected by spacers or structural connections and bounded by perimeter skins or structural connections with internal cavit... | 02/08/2000 |
| 6007890 | Acoustic insulating panels or elements A multilayered insulating panel having improved acoustic insulating properties and mechanical strength has two outer facings and a soft synthetic foam core having cavities. The foam core with the cavities is in intimate contact with the facings. The cavit... | 12/28/1999 |
| 5968629 | Acoustic absorbing component and production process thereof An acoustic absorbing component comprising a fiber-reinforced thermoplastic resin expanded body having a percentage of void not less than 50 vol %, and a resin molded body. The fiber-reinforced thermoplastic resin expanded body is fused under a pressure t... | 10/19/1999 |
