MY124453A - Acoustic wave phase varying apparatus and sound insulating wall - Google Patents

Acoustic wave phase varying apparatus and sound insulating wall

Info

Publication number
MY124453A
MY124453A MYPI96004220A MYPI19964220A MY124453A MY 124453 A MY124453 A MY 124453A MY PI96004220 A MYPI96004220 A MY PI96004220A MY PI19964220 A MYPI19964220 A MY PI19964220A MY 124453 A MY124453 A MY 124453A
Authority
MY
Malaysia
Prior art keywords
acoustic wave
sound insulating
wave phase
phase varying
varying apparatus
Prior art date
Application number
MYPI96004220A
Inventor
Tsukamoto Koji
Ohhama Shigeya
Ootsuta Katsuhisa
Ogawa Sadao
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of MY124453A publication Critical patent/MY124453A/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
    • E01F8/0029—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with porous surfaces, e.g. concrete with porous fillers
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
    • E01F8/0041—Free-standing grates
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
    • E01F8/0047—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads
    • E01F8/0076—Cellular, e.g. as wall facing
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0094—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic constructions for generation of phase shifting
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/8227—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only screens ; Arrangements of sound-absorbing elements, e.g. baffles

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Architecture (AREA)
  • Acoustics & Sound (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Electromagnetism (AREA)
  • Multimedia (AREA)
  • Building Environments (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)

Abstract

IN AN ACOUSTIC WAVE PHASE VARYING APPARATUS, A PLURALITY OF INDEPENDENT SPACES WITH DIFFERENT VOLUMES ARE FORMED BY A POROUS MEMBER MADE FROM POROUS MATERIAL AND A SOUND INSULATING PLATE ASSEMBLY. THEREFORE, IT IS POSSIBLE TO RADICALLY SHIFT THE PHASES OF THE ACOUSTIC WAVES INCIDENT THEREON, AND HENCE TO ENHANCE THE SOUND REDUCTION EFFECT DUE TO THE MUTUAL INTERFERENCE OF THE ACOUSTIC WAVES. (THE MOST ILLUSTRATIVE DRAWING IS FIG. 13)
MYPI96004220A 1996-03-28 1996-10-11 Acoustic wave phase varying apparatus and sound insulating wall MY124453A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8074442A JP2859578B2 (en) 1996-03-28 1996-03-28 Sound wave phase change device and sound barrier

Publications (1)

Publication Number Publication Date
MY124453A true MY124453A (en) 2006-06-30

Family

ID=13547362

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI96004220A MY124453A (en) 1996-03-28 1996-10-11 Acoustic wave phase varying apparatus and sound insulating wall

Country Status (8)

Country Link
EP (1) EP0798426B1 (en)
JP (1) JP2859578B2 (en)
KR (1) KR100240212B1 (en)
CN (1) CN1125219C (en)
DE (1) DE69607826T2 (en)
MY (1) MY124453A (en)
SG (1) SG47192A1 (en)
TW (1) TW305006B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2774107B1 (en) * 1998-01-28 2000-04-28 Pic Conseil ACOUSTIC SHOCK ABSORBER FACING FOR NOISE WALL
FR2778487A1 (en) * 1998-05-05 1999-11-12 Socarel Noise reduction capping, molded or pressed in concrete and incorporating particles of treated wood
AT408552B (en) * 1998-05-12 2002-01-25 Brunbauer Wolfgang Dipl Ing NOISE CONTROL DEVICE
KR100550835B1 (en) * 2000-11-08 2006-02-10 마사오 스즈키 Rolled soundpr00f wall
KR20040021708A (en) * 2002-08-29 2004-03-11 유니프레스 가부시키가이샤 Soundproof device
NL1028876C2 (en) * 2005-04-26 2006-10-27 Univ Delft Tech Noise barrier.
DE102008036581A1 (en) 2008-08-06 2010-02-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Soundproof wall has supporting wall with molded coating, where planar structure is applied on molded coating, so that planar structure is formed by molded coating and hollow spaces
DE102010009987A1 (en) * 2010-03-02 2011-09-08 Bettina Köhne Soundproof screen comprises soundproof screen edge which has curved surface that runs perpendicular to soundproof screen edge, where diffraction edge is formed, such that it runs parallel to soundproof screen edge
MY178957A (en) * 2011-01-24 2020-10-25 A School Corporation Kansai Univ Sound barrier using sound absorber
CN105603894B (en) * 2014-11-10 2018-06-26 苏交科集团股份有限公司 A kind of sound barrier top noise elimination structure
WO2018038043A1 (en) * 2016-08-26 2018-03-01 富士フイルム株式会社 Soundproof structure

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5146969B2 (en) 1973-07-10 1976-12-11
JPS5291514A (en) 1976-01-27 1977-08-02 Kiyouji Fujiwara Sound insulation wall
DE68927806T2 (en) * 1988-10-31 1997-09-18 Mitsubishi Electric Corp Porous structure
GB2269842A (en) * 1992-08-21 1994-02-23 Univ Southampton Sound absorbing apparatus
JP2652752B2 (en) * 1993-02-09 1997-09-10 日東紡績株式会社 Sound absorbing device for sound insulation wall and sound insulation wall
DE19509678C2 (en) * 1995-03-07 2003-08-21 Deutsche Bahn Ag Soundproof wall

Also Published As

Publication number Publication date
CN1160810A (en) 1997-10-01
TW305006B (en) 1997-05-11
KR100240212B1 (en) 2000-01-15
JP2859578B2 (en) 1999-02-17
SG47192A1 (en) 1998-03-20
DE69607826D1 (en) 2000-05-25
EP0798426B1 (en) 2000-04-19
CN1125219C (en) 2003-10-22
EP0798426A1 (en) 1997-10-01
KR970065965A (en) 1997-10-13
DE69607826T2 (en) 2000-12-21
JPH09265291A (en) 1997-10-07

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