JPH0457899U - - Google Patents
Info
- Publication number
- JPH0457899U JPH0457899U JP10027390U JP10027390U JPH0457899U JP H0457899 U JPH0457899 U JP H0457899U JP 10027390 U JP10027390 U JP 10027390U JP 10027390 U JP10027390 U JP 10027390U JP H0457899 U JPH0457899 U JP H0457899U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust duct
- noise canceling
- speaker device
- noise
- canceling device
- 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
- 239000011358 absorbing material Substances 0.000 claims 1
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10027390U JPH0457899U (enExample) | 1990-09-27 | 1990-09-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10027390U JPH0457899U (enExample) | 1990-09-27 | 1990-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0457899U true JPH0457899U (enExample) | 1992-05-18 |
Family
ID=31842800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10027390U Pending JPH0457899U (enExample) | 1990-09-27 | 1990-09-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0457899U (enExample) |
-
1990
- 1990-09-27 JP JP10027390U patent/JPH0457899U/ja active Pending