JPS61157996U - - Google Patents

Info

Publication number
JPS61157996U
JPS61157996U JP1985042528U JP4252885U JPS61157996U JP S61157996 U JPS61157996 U JP S61157996U JP 1985042528 U JP1985042528 U JP 1985042528U JP 4252885 U JP4252885 U JP 4252885U JP S61157996 U JPS61157996 U JP S61157996U
Authority
JP
Japan
Prior art keywords
rotating body
sound absorbing
absorbing material
opening
back side
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
JP1985042528U
Other languages
English (en)
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 JP1985042528U priority Critical patent/JPS61157996U/ja
Publication of JPS61157996U publication Critical patent/JPS61157996U/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)

Description

【図面の簡単な説明】
第1図は本考案の一実施例の外観斜視図、第2
図a,bは同上の反射状態及び吸音状態を示す断
面図、第3図a,b,cは同上の他の実施例の回
転体の断面図であり、1は箱体、2は開口部、3
は回転体、4は反射材、5は吸音材である。

Claims (1)

    【実用新案登録請求の範囲】
  1. 前部のみが開口する箱体の前部に開口部を開閉
    することができる回転体を表裏反転回転自在に設
    け、回転体の一面に反射材を形成するとともに回
    転体の他面に膨出させて吸音材を形成し、回転体
    の吸音材を表にしたときに裏の反射材の一部を吸
    音材の裏側から退避させる手段を設けて成る音響
    調整装置。
JP1985042528U 1985-03-25 1985-03-25 Pending JPS61157996U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985042528U JPS61157996U (ja) 1985-03-25 1985-03-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985042528U JPS61157996U (ja) 1985-03-25 1985-03-25

Publications (1)

Publication Number Publication Date
JPS61157996U true JPS61157996U (ja) 1986-09-30

Family

ID=30553366

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985042528U Pending JPS61157996U (ja) 1985-03-25 1985-03-25

Country Status (1)

Country Link
JP (1) JPS61157996U (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010001709A (ja) * 2008-06-23 2010-01-07 Sumitomo Forestry Co Ltd 音響を考慮した居室構造
JP2011140779A (ja) * 2010-01-06 2011-07-21 Sumitomo Forestry Co Ltd 音響を考慮した居室構造
WO2015072780A1 (ko) * 2013-11-15 2015-05-21 김재평 주파수 선택과 확산 기능을 갖는 가변 잔향장치

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010001709A (ja) * 2008-06-23 2010-01-07 Sumitomo Forestry Co Ltd 音響を考慮した居室構造
JP2011140779A (ja) * 2010-01-06 2011-07-21 Sumitomo Forestry Co Ltd 音響を考慮した居室構造
WO2015072780A1 (ko) * 2013-11-15 2015-05-21 김재평 주파수 선택과 확산 기능을 갖는 가변 잔향장치

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