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
Links
- 238000010521 absorption reaction Methods 0.000 claims description 2
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985042525U JPS61157997U (sk) | 1985-03-25 | 1985-03-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985042525U JPS61157997U (sk) | 1985-03-25 | 1985-03-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61157997U true JPS61157997U (sk) | 1986-09-30 |
Family
ID=30553360
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1985042525U Pending JPS61157997U (sk) | 1985-03-25 | 1985-03-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61157997U (sk) |
Cited By (1)
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 |
-
1985
- 1985-03-25 JP JP1985042525U patent/JPS61157997U/ja active Pending
Cited By (1)
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 |