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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 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 absorbing sound by stiffness control. The sound insulation/absorption structu... | 12/16/2008 |
| 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 preferably a shear storage modulus G′ between 0.1 MPa and 500 MPa at a temp... | 04/29/2008 |
| 7352874 | Apparatus for acoustically improving an environment and related method The invention provides an apparatus and related method for acoustically improving an environment. In an embodiment of the invention, an apparatus comprises a partitioning means in the form of a curtain for producing a discontinuity in a sound conducting medium, such... | 04/01/2008 |
| 7334852 | Multiple configuration shelving system for displaying audio visual components A shelving system for displaying audio visual components that may be configured into multiple positions is disclosed. The system includes a base that supports a center platform disposed between right and left platforms. The center platform and the right and left pla... | 02/26/2008 |
| 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 compressed region, and a third compressed region. First, second, cen... | 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 |
| 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 |
| 7311175 | Acoustic liner with bypass cooling An acoustic liner 20 includes a remote panel 26, a proximate panel 28 transversely spaced from the remote panel and a resonator chamber 34b residing between the panels. Perforations 38 penetrate the proximate panel in regist... | 12/25/2007 |
| 7308965 | Noise abatement wall A noise-absorbing device includes a substantially flat base and embossed and/or hollow elements each including at least one recess. This base reveals with the embossed and/or hollow elements, a configuration exhibiting a fractality zone of between 1 cm and 50 cm, of... | 12/18/2007 |
| 7261182 | Wide band sound diffuser with self regulated low frequency absorption and methods of mounting The present invention relates to an acoustical diffuser device, said apparatus comprising the main body from FIG. 1 and two lateral rigid supports (5), glued to the inside of the said diffuser which lateral supports are received, like a drawer, by two ... | 08/28/2007 |
| 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 insulating panel which combines high heat insulating performance and so... | 07/31/2007 |
| 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 shaped in semi-cylindrical configuration. End panels of rockwool mat of ... | 02/20/2007 |
| 7165647 | Mechanical acoustic filter by erosion etching A mechanical acoustic filter is formed of boards made by using erosion etching. The filter may be used in electric condenser microphones. The filter may be made of one or a plurality of boards each being made by erosion etching according to different requirements. T... | 01/23/2007 |
| 7123735 | Method and apparatus to increase acoustic separation A method and apparatus for reducing the acoustic coupling between a sound receiving transducer and a sound transmitting transducer is disclosed. A housing, wherein the receiving transducer and the transmitting transducer are mounted, is provided to increase the acou... | 10/17/2006 |
| 7116840 | Decoding and error correction in 2-D arrays A system and process for determining the location of a captured image from a larger image is described. A non-repeating sequence may be folded into a non-repeating array in which the array is unique for every sub window of a given size. The image of the sub window m... | 10/03/2006 |
| 7063184 | Sound reducing panel An apparatus and method of making an improved sound reducing panel is disclosed suitable for use in an outdoor or a hazardous environment. The improved sound reducing panel comprises a water resistant sound absorbing member with a porous covering sheet overlaying a ... | 06/20/2006 |
| 7019633 | Audio signal sound diffusion system The present invention relates to an audio signal sound diffusion system for diffusing, e.g., alarm signals, pre-recorded signals and microphone signals over wide areas. According to one of its aspects, the present invention relates to an audio signal sound diffusion... | 03/28/2006 |
| 6966402 | Acoustical heat shield A heat shield includes an inner portion, an outer portion, first and second insulating portions, and a deflecting portion. The inner portion includes a reflective material to reflect thermal energy that radiates from a heat/acoustic source. The outer portion include... | 11/22/2005 |
| 6932188 | Silencer for vacuum cleaner A silencer for a vacuum cleaner is provided and includes at least one hermetic expansion chamber mounted in an exhaust channel of the vacuum cleaner and allowing an exhaust airflow from the vacuum cleaner to pass through. The expansion chamber at its two sides has a... | 08/23/2005 |
| 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 flow resistance, wherein a total system resistance is a combination of... | 04/12/2005 |
| 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 between them a closed internal space (4), and an aggre... | 02/08/2005 |
| 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 air in the interior compartment. A thermostatic expansion valve is conn... | 11/02/2004 |
| 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) coupled to the sound absorption layer (... | 09/14/2004 |
| 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 aperiodic geometrical form. Surfaces are tiled in any orientation offering... | 08/10/2004 |
| 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 narrowest diameter less than the film thickness and a widest ... | 09/09/2003 |
| 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 least two layers. The first layer is a facing layer formed... | 09/02/2003 |
| 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.... | 07/29/2003 |
| 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 panels are mounted to form a partition in front of the row ... | 06/24/2003 |
| 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 through air. The surface wave apparatus includes a plurality of... | 12/10/2002 |
| 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 are tuned to a resonant frequency, increasing from one fac... | 09/17/2002 |
| 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 insulating sheet inserts may be constructed of a combinati... | 09/10/2002 |
| 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 interior porosity. The panel also includes an acoustically p... | 09/03/2002 |
| 6431312 | Motorized and computer operated variable acoustics treatment A motorized and computer controlled TRIFFUSOR.RTM. acoustical treatment system includes a plurality of TRIFFUSOR.RTM. banks mounted in various locations within a listening room. Mechanical actuators such as gears and sprockets are employed to mechanically... | 08/13/2002 |
| 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 and moisture without interfering with its acoustic properti... | 05/07/2002 |
| 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 panel incorporates into a single structural member the element... | 04/16/2002 |
| 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 presented. The light fixture (42) comprises a frame (46) disposed in... | 04/09/2002 |
| 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 interior of the frame (1) behind the membrane (2) includes ... | 11/27/2001 |
| 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 place in a support system in underlying matched relation ... | 10/23/2001 |
| 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 operates on the Helmholtz resonator principle, is distinguish... | 09/18/2001 |
| 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 wires within the interior of the retainers. The chase has an o... | 09/04/2001 |
