JPH0420098U - - Google Patents
Info
- Publication number
- JPH0420098U JPH0420098U JP6172790U JP6172790U JPH0420098U JP H0420098 U JPH0420098 U JP H0420098U JP 6172790 U JP6172790 U JP 6172790U JP 6172790 U JP6172790 U JP 6172790U JP H0420098 U JPH0420098 U JP H0420098U
- Authority
- JP
- Japan
- Prior art keywords
- duct
- speaker
- muffle
- notch
- offset
- 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
- 230000001902 propagating effect Effects 0.000 claims 1
- 230000003584 silencer Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6172790U JPH0420098U (fr) | 1990-06-13 | 1990-06-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6172790U JPH0420098U (fr) | 1990-06-13 | 1990-06-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0420098U true JPH0420098U (fr) | 1992-02-19 |
Family
ID=31590231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6172790U Pending JPH0420098U (fr) | 1990-06-13 | 1990-06-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0420098U (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07334167A (ja) * | 1994-06-07 | 1995-12-22 | Daidan Kk | 能動騒音制御システムのセンサ装置 |
| JPH07334170A (ja) * | 1994-06-07 | 1995-12-22 | Daidan Kk | 能動騒音制御システムのスピーカ装置 |
-
1990
- 1990-06-13 JP JP6172790U patent/JPH0420098U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07334167A (ja) * | 1994-06-07 | 1995-12-22 | Daidan Kk | 能動騒音制御システムのセンサ装置 |
| JPH07334170A (ja) * | 1994-06-07 | 1995-12-22 | Daidan Kk | 能動騒音制御システムのスピーカ装置 |