JPH046046Y2 - - Google Patents
Info
- Publication number
- JPH046046Y2 JPH046046Y2 JP15678386U JP15678386U JPH046046Y2 JP H046046 Y2 JPH046046 Y2 JP H046046Y2 JP 15678386 U JP15678386 U JP 15678386U JP 15678386 U JP15678386 U JP 15678386U JP H046046 Y2 JPH046046 Y2 JP H046046Y2
- Authority
- JP
- Japan
- Prior art keywords
- chair
- model
- experiments
- hall
- acoustic
- 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.)
- Expired
Links
- 238000002474 experimental method Methods 0.000 claims description 14
- 239000011491 glass wool Substances 0.000 claims description 4
- 239000004794 expanded polystyrene Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000011120 plywood Substances 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920006327 polystyrene foam Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Landscapes
- Instructional Devices (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15678386U JPH046046Y2 (2) | 1986-10-15 | 1986-10-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15678386U JPH046046Y2 (2) | 1986-10-15 | 1986-10-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6362878U JPS6362878U (2) | 1988-04-26 |
| JPH046046Y2 true JPH046046Y2 (2) | 1992-02-19 |
Family
ID=31078729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15678386U Expired JPH046046Y2 (2) | 1986-10-15 | 1986-10-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH046046Y2 (2) |
-
1986
- 1986-10-15 JP JP15678386U patent/JPH046046Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6362878U (2) | 1988-04-26 |
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