Class 181/289 - Light permeable

Subclass of Class 181 - Acoustics
Definition: Subject matter which is translucent or transparent to visible
No. of patents: 30
Last issue date: 10/11/2011

Number	Title	Issue Date
8033360	Interlayer film for laminated glass and laminated glass It is an object of the present invention to provide an interlayer film for a laminated glass excellent in a sound-insulating property, which is preferably usable for a head up display and the like wherein a driver can look at the front view and an instrument display...	10/11/2011
7886871	Interlayer film for laminated glass and laminated glass It is an object of the present invention to provide an interlayer film for a laminated glass excellent in a sound-insulating property, which is preferably usable for a head up display and the like wherein a driver can look at the front view and an instrument display...	02/15/2011
7568553	Noise barrier system composed of a base with a transparent superstructure A noise barrier system composed of a base and a transparent superstructure. A support holds at least two adjacent transparent noise barrier elements and includes a point-fastening of the transparent noise barrier element. A position of upper holding points of the tr...	08/04/2009
7352870	Active sound muffler and active sound muffling method An active sound muffler for reducing a sound to be reduced as emitted from a sound source located at one of the opposite sides of a sound insulating wall and diffracted and transmitted to the other side, the muffler comprises a control loudspeaker arranged at the fr...	04/01/2008
7322440	Ultralight trim composite An ultra light, noise reducing composite (1) comprises an acoustically transparent, light weight film (6) between an underlay layer (5) and an air flow resistance layer (4). This composite allows to easily tune the acoustic properties by ...	01/29/2008
7121380	Soundproofing laminated window for vehicles A method of acoustically attenuating noises of structure-borne origin in an article of manufacture by installing a laminated window having a glass sheet and an intermediate film, where the film has a loss factor tan δ greater than 0.6 and a shear modulus G′ small...	10/17/2006
7104720	Traffic noise barrier system A traffic noise barrier system includes a longitudinal barrier and a traffic noise barrier wall. The traffic noise barrier wall is supported by the longitudinal barrier and is spaced apart from a back surface of the longitudinal barrier in a direction away from the ...	09/12/2006
7021421	Transparent noise-barrier wall An object of the present invention is to provide a transparent noise-barrier wall which is slow to foul, easy to clean even when fouled, and capable of maintaining these effects over a long period of time. The transparent noise-barrier wall has brookite titanium dio...	04/04/2006
7010896	Process and apparatus for making corrugated walls There is a description of an apparatus that produces corrugated walls in a continuous manner. Prior to being fed into the apparatus there is a composite consisting of an outer layer of a woven or non-woven material having a layer of a cementitious material thereon. ...	03/14/2006
7005189	Laminate and its production method A laminate having improved visible light transmittance and abrasion resistance, which comprises a substrate, and a titanium oxide layer, a metal layer and a titanium oxide layer laminated alternately in this order on the substrate in (2n+1) layers (wherein n is a po...	02/28/2006
6668974	Partitioned wave-guide sound insulation glazing The invention relates to an acoustic insulating glazing unit. This glazing unit comprises two glass sheets (12, 14) joined together around their periphery by means of an assembly (16) forming a seal (163) and an insert frame (161) which d...	12/30/2003
6351914	Light-transmitting building construction element A light-transmitting building component, as wall roof or ceiling component etc. is formed with a technical membrane, in the form of a textile tissue on the outward-facing side and, furthermore, by a sound-insulation layer arranged at a distance to the out...	03/05/2002
6186578	Fixed glazing in contact with a peripheral seal for improved acoustic protection A window pane fixed to an automobile via a peripheral joint forms at least a part of a wall defining a cabin of the vehicle. The window pane, at the peripheral joint, is constructed so as to eliminate at least one mode of acoustic radiance from the pane t...	02/13/2001
6098744	Thermal-and sound-insulating container of multilayer insulations Disclosed a thermal- and sound-insulating container having a chamber, which is defined by multilayer wall structure including vacuum layers therein. The chamber is made as small as possible the surface area thereof to achieve the high insulating effective...	08/08/2000
6074732	Soundproofing laminated window for vehicles The invention relates to a soundproofing window in which an intermediate film provides for damping of vibrations transmitted in particular by structure-borne conduction....	06/13/2000
5965853	Sound absorbing aircraft transparency and method of making same The present invention relates to a vibration dampening/sound absorbing aircraft transparency which includes an outboard pane assembly, a vibration dampening/sound absorbing pane assembly and a spacer frame assembly for retaining the outboard pane assembly...	10/12/1999
5942736	Antinoise barrier with transparent panels, provided with acoustic insulation and acoustic absorption characteristics Antinoise barrier including a perforated transparent panel fixed parallel to another solid transparent panel in such a way as to form an air interspace between the panels, with the perforated panel provided with holes having different dimensions....	08/24/1999
5532440	Light transmissive sound absorbing member In the sound absorbing member, partition members each formed of sound absorbing material are disposed between first and second light transmissive sheet members to thereby form a plurality of small spaces, and first and second through holes are formed in t...	07/02/1996
5368917	Acoustic protective glazing for a vehicle An acoustic glazing intended for land transportation vehicles and including first and second glass sheets separated by an interlayer region, wherein the acoustic transmission loss differs at most by 5 dB from a figure increasing of 9 dB per octave from 80...	11/29/1994
5154953	Composite glazing panel A glazing panel and hollow glazing panel, the hollow glazing panel including a first pane, a second pane held in spaced-apart, face-to-face relationship with the first pane, and a plurality of localized damping members positioned between the first and sec...	10/13/1992
4829728	Soundproof structure for generic interior facing, and particularly for so-called open-space working, interiors A soundproof structure is provided at its surface with a lining of a catadioptric material which forms a light source when a light beam impinges on it....	05/16/1989
4787296	Ventilated soundproof glass Ventilated soundproof glass including at least two sheets of glass and one sheet of plastic film in between. These two sheets of glass and the sheet of plastic film have holes arranged in them. The sides of the two sheets of glass adjacent to the sheet of...	11/29/1988
4607466	Method and apparatus for controlling reverberation of sound in enclosed environments The present invention is an acoustic panel having a porous layer and a generally rigid layer affixed to each other. The generally rigid layer includes at least one passageway opening on one side of the rigid layer and extending through the rigid layer to ...	08/26/1986
4600078	Sound barrier A sound barrier (22) comprising a pair of spaced apart members (24,26), a medium (34) disposed between the members capable of propagating sound waves, and one or more acoustical resonators (30) coupled to the medium and tuned to one or more selected frequ...	07/15/1986
4330046	Sound barrier A sound barrier for isolating a noise source of the type emanating from manufacturing areas for food. The sound barrier comprises a panel made of sound attenuating material having a plurality of longitudinally extending side by side co-planar sections sep...	05/18/1982
4278146	Sound barrier A sound barrier for isolating a noise source of the type emanating from manufacturing areas for food. The sound barrier comprises a panel made of sound attenuating material having a plurality of longitudinally extending side by side co-planar sections sep...	07/14/1981
4275801	Noise and heat insulating structural component The present noise and heat insulating structural component may form a wall anel or a window element if the component is made of transparent material. Between two substantially parallel outer walls there is arranged at least one auxiliary damping wall formi...	06/30/1981
4261433	Acoustical-reflective ceiling construction An acoustical-reflective ceiling panel for directing incident light from a remotely positioned light source toward a selected area and for attenuating ambient noise. The panel includes a plurality of pyramidal reflector units arranged in an array of rows ...	04/14/1981
4226299	Acoustical panel An acoustical panel for reducing acoustic noise is disclosed. The panel is comprised of a corrugated sheet of material. The sheet of material has a generally parabolic-sinusoidal configuration forming a plurality of corrugations. The corrugations extend i...	10/07/1980
4019295	Light transmitting panel with sound damping properties A light transmitting panel composed of at least two panes held in spaced relation by a spacer assembly to define at least one space between panes is given improved sound damping properties by giving such space a thickness of greater than 9mm, by causing t...	04/26/1977

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Class 181/289 - Light permeable