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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
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

    • 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
    • E04B1/99—Room acoustics, i.e. forms of, or arrangements in, rooms for influencing or directing sound
    • E04B1/994—Acoustical 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】[Brief explanation of drawings]

第１図は本考案の一実施例を示す一部破断した
斜視図、第２図ａ，ｂ，ｃ，ｄは同上の使用状態
を示す断面図、第３図ａ，ｂ，ｃ，ｄは夫々第２
図ａ，ｂ，ｃ，ｄの各状態に対応した吸音特性を
示すグラフであり、１は共鳴空洞、２は箱体、３
は開口部、４は音響調整ブロツク、５は隙間、６
は反射面、７は吸音面、９は格子板である。 Fig. 1 is a partially broken perspective view showing an embodiment of the present invention, Fig. 2 a, b, c, and d are cross-sectional views showing the same state of use, and Fig. 3 a, b, c, and d are 2nd each
It is a graph showing the sound absorption characteristics corresponding to each state of figures a, b, c, and d, where 1 is a resonant cavity, 2 is a box body, and 3
is the opening, 4 is the acoustic adjustment block, 5 is the gap, 6
7 is a reflective surface, 7 is a sound absorbing surface, and 9 is a lattice plate.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 内部に共鳴空洞を有する箱体の開口部に複数体
の音響調整ブロツクを回転自在に枢支し、音響調
整ブロツクの軸回りの片面に反射面を形成すると
共に他面に吸音面を形成して反射面と吸音面のい
ずれをも箱体から露出させられるようにし、上記
複数体の音響調整ブロツクを若干間隔をおいて配
置して音響調整ブロツク間に隙間を形成し、この
隙間を開閉するための格子板を箱体の開口部にス
ライド自在に取着して成る音響調整装置。 A plurality of acoustic adjustment blocks are rotatably supported in the opening of a box having a resonant cavity inside, and a reflective surface is formed on one side around the axis of the acoustic adjustment block, and a sound absorption surface is formed on the other surface. Both the reflective surface and the sound absorbing surface are exposed from the box, and the plurality of acoustic adjustment blocks are arranged at slight intervals to form gaps between the acoustic adjustment blocks, and this gap is opened and closed. A sound adjustment device consisting of a grid plate slidably attached to the opening of a box body.
JP1985042525U 1985-03-25 1985-03-25 Pending JPS61157997U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985042525U JPS61157997U (en) 1985-03-25 1985-03-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985042525U JPS61157997U (en) 1985-03-25 1985-03-25

Publications (1)

Publication Number Publication Date
JPS61157997U true JPS61157997U (en) 1986-09-30

Family

ID=30553360

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985042525U Pending JPS61157997U (en) 1985-03-25 1985-03-25

Country Status (1)

Country Link
JP (1) JPS61157997U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07248775A (en) * 1994-03-09 1995-09-26 Toda Constr Co Ltd Wide-frequency band reverberation varying device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07248775A (en) * 1994-03-09 1995-09-26 Toda Constr Co Ltd Wide-frequency band reverberation varying device

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