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Class Information
Number: 181/30
Name: Acoustics > Auditorium
Description: Devices for improving the acoustic properties of halls or other places.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7367423 Speaker assembly with aiming device May. 6, 2008
7328769 Rigging system for loudspeaker arrays Feb. 12, 2008
7261180 Rigging system for speaker cabinets Aug. 28, 2007
7261182 Wide band sound diffuser with self regulated low frequency absorption and methods of mounting Aug. 28, 2007
7213680 Acoustical wall covering assembly pleated and secured in situ for covering walls in movie theatres and method May. 8, 2007
6779627 Flat panel sound radiator with fire protective back box Aug. 24, 2004
6772859 Embodiments of aperiodic tiling of a single asymmetric diffusive base shape Aug. 10, 2004
6530451 System of elements for the diffusion of sound in rooms deligated to the reproduction of music and speech Mar. 11, 2003
6520280 System and method for workspace sound regulation Feb. 18, 2003
6491134 Air-coupled surface wave structures for sound field modification Dec. 10, 2002
6446751 Apparatus and method for reducing noise levels Sep. 10, 2002
6431312 Motorized and computer operated variable acoustics treatment Aug. 13, 2002
6386315 Flat panel sound radiator and assembly system May. 14, 2002
6371240 Anechoic chamber Apr. 16, 2002
6305495 Surfacing panels for acoustical ceiling systems Oct. 23, 2001
6283247 Fabric retainer for acoustic structure and methods of installation Sep. 4, 2001
6244378 Dual sonic character acoustic panel and systems for use thereof Jun. 12, 2001
6164408 Plenum mounted, flat panel masking loudspeaker system and method for mounting a masking loudspeaker in a ceiling plenum Dec. 26, 2000
6112852 Acoustical treatments with diffusive and absorptive properties and process of design Sep. 5, 2000
6085861 Collapsible portable acoustic tower Jul. 11, 2000
6082490 Modular anechoic panel system and method Jul. 4, 2000
6073722 Anechoic room for the entire auditory range Jun. 13, 2000
5992561 Sound absorber, room and method of making Nov. 30, 1999
5890323 Theater Apr. 6, 1999
5884436 Reverberation room for acoustical testing Mar. 23, 1999
5817992 Planar binary amplitude diffusor Oct. 6, 1998
5700052 Chair for an acoustically designed building Dec. 23, 1997
5651405 Portable acoustic shell Jul. 29, 1997
5646378 Collapsible modular sound reproduction system Jul. 8, 1997
5623130 System for enhancing room acoustics Apr. 22, 1997
5532438 Acoustic imaging sound dome Jul. 2, 1996
5530211 Sound reflecting shell tower and transporter structure and methods of erecting and storing the towers Jun. 25, 1996
5525765 Acoustical virtual environment Jun. 11, 1996
5525766 Portable acoustical shell structure Jun. 11, 1996
5403979 Easily raisable and lowerable telescopic shell tower acoustic system and methods of making and using the system Apr. 4, 1995
5268539 Acoustic apparatus Dec. 7, 1993
5250763 Acoustical equalization device system Oct. 5, 1993
5168129 Variable acoustics modular performance shell Dec. 1, 1992
5141073 Trapezoidal sound absorption module Aug. 25, 1992
5123874 Knock-down sound attenuating system Jun. 23, 1992
4991219 Sound simulation chamber Feb. 5, 1991
4942938 Space unit for the recording and/or reproduction of acoustic signals Jul. 24, 1990
4832147 Sound reduction membrane May. 23, 1989
4823908 Directional loudspeaker system Apr. 25, 1989
4805731 Sound projection method and apparatus Feb. 21, 1989
4750586 Multi-tubular acoustic baffle system Jun. 14, 1988
4605088 Multidirectional sound absorber Aug. 12, 1986
4605093 Device for absorption of sound waves Aug. 12, 1986
4515238 Portable acoustical shield and sound enhancing closure May. 7, 1985
4366882 Sound room Jan. 4, 1983

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