JPH02150893U - - Google Patents
Info
- Publication number
- JPH02150893U JPH02150893U JP5894989U JP5894989U JPH02150893U JP H02150893 U JPH02150893 U JP H02150893U JP 5894989 U JP5894989 U JP 5894989U JP 5894989 U JP5894989 U JP 5894989U JP H02150893 U JPH02150893 U JP H02150893U
- Authority
- JP
- Japan
- Prior art keywords
- duct
- absorbing material
- sound absorbing
- parallel
- attached
- 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.)
- Granted
Links
- 239000011358 absorbing material Substances 0.000 claims description 3
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989058949U JPH087759Y2 (ja) | 1989-05-22 | 1989-05-22 | 位相反転型スピーカ装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989058949U JPH087759Y2 (ja) | 1989-05-22 | 1989-05-22 | 位相反転型スピーカ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02150893U true JPH02150893U (bg) | 1990-12-27 |
JPH087759Y2 JPH087759Y2 (ja) | 1996-03-04 |
Family
ID=31585015
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989058949U Expired - Fee Related JPH087759Y2 (ja) | 1989-05-22 | 1989-05-22 | 位相反転型スピーカ装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH087759Y2 (bg) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54124533U (bg) * | 1978-02-20 | 1979-08-31 |
-
1989
- 1989-05-22 JP JP1989058949U patent/JPH087759Y2/ja not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54124533U (bg) * | 1978-02-20 | 1979-08-31 |
Also Published As
Publication number | Publication date |
---|---|
JPH087759Y2 (ja) | 1996-03-04 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |