JPH01114970U - - Google Patents
Info
- Publication number
- JPH01114970U JPH01114970U JP992388U JP992388U JPH01114970U JP H01114970 U JPH01114970 U JP H01114970U JP 992388 U JP992388 U JP 992388U JP 992388 U JP992388 U JP 992388U JP H01114970 U JPH01114970 U JP H01114970U
- Authority
- JP
- Japan
- Prior art keywords
- sound pressure
- volume
- resonator
- frequency
- noise
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP992388U JPH01114970U (enExample) | 1988-01-28 | 1988-01-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP992388U JPH01114970U (enExample) | 1988-01-28 | 1988-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01114970U true JPH01114970U (enExample) | 1989-08-02 |
Family
ID=31217097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP992388U Pending JPH01114970U (enExample) | 1988-01-28 | 1988-01-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01114970U (enExample) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5970868A (ja) * | 1982-10-15 | 1984-04-21 | Nippon Denso Co Ltd | 容積可変式共鳴消音システム |
| JPS6216539B2 (enExample) * | 1981-03-11 | 1987-04-13 | Fujitsu Ltd |
-
1988
- 1988-01-28 JP JP992388U patent/JPH01114970U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6216539B2 (enExample) * | 1981-03-11 | 1987-04-13 | Fujitsu Ltd | |
| JPS5970868A (ja) * | 1982-10-15 | 1984-04-21 | Nippon Denso Co Ltd | 容積可変式共鳴消音システム |