JPS61157997U - - Google Patents

Info

Publication number
JPS61157997U
JPS61157997U JP1985042525U JP4252585U JPS61157997U JP S61157997 U JPS61157997 U JP S61157997U JP 1985042525 U JP1985042525 U JP 1985042525U JP 4252585 U JP4252585 U JP 4252585U JP S61157997 U JPS61157997 U JP S61157997U
Authority
JP
Japan
Prior art keywords
acoustic adjustment
box
sound
opening
adjustment blocks
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP1985042525U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP1985042525U priority Critical patent/JPS61157997U/ja
Publication of JPS61157997U publication Critical patent/JPS61157997U/ja
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/99Room acoustics, i.e. forms of, or arrangements in, rooms for influencing or directing sound
    • E04B1/994Acoustical surfaces with adjustment mechanisms

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
JP1985042525U 1985-03-25 1985-03-25 Pending JPS61157997U (US20030199744A1-20031023-C00003.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985042525U JPS61157997U (US20030199744A1-20031023-C00003.png) 1985-03-25 1985-03-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985042525U JPS61157997U (US20030199744A1-20031023-C00003.png) 1985-03-25 1985-03-25

Publications (1)

Publication Number Publication Date
JPS61157997U true JPS61157997U (US20030199744A1-20031023-C00003.png) 1986-09-30

Family

ID=30553360

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985042525U Pending JPS61157997U (US20030199744A1-20031023-C00003.png) 1985-03-25 1985-03-25

Country Status (1)

Country Link
JP (1) JPS61157997U (US20030199744A1-20031023-C00003.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07248775A (ja) * 1994-03-09 1995-09-26 Toda Constr Co Ltd 広周波数帯域残響可変装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07248775A (ja) * 1994-03-09 1995-09-26 Toda Constr Co Ltd 広周波数帯域残響可変装置

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