JPH0323359U - - Google Patents
Info
- Publication number
- JPH0323359U JPH0323359U JP8273389U JP8273389U JPH0323359U JP H0323359 U JPH0323359 U JP H0323359U JP 8273389 U JP8273389 U JP 8273389U JP 8273389 U JP8273389 U JP 8273389U JP H0323359 U JPH0323359 U JP H0323359U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- sound
- small speaker
- generating means
- support
- 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
- 238000009413 insulation Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8273389U JPH0632587Y2 (ja) | 1989-07-14 | 1989-07-14 | 遮音性能測定用音源装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8273389U JPH0632587Y2 (ja) | 1989-07-14 | 1989-07-14 | 遮音性能測定用音源装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0323359U true JPH0323359U (me) | 1991-03-11 |
| JPH0632587Y2 JPH0632587Y2 (ja) | 1994-08-24 |
Family
ID=31629803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8273389U Expired - Fee Related JPH0632587Y2 (ja) | 1989-07-14 | 1989-07-14 | 遮音性能測定用音源装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0632587Y2 (me) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH077418U (ja) * | 1993-06-30 | 1995-02-03 | 株式会社安田 | 養魚用水槽の循環溢流具 |
| JP2014078147A (ja) * | 2012-10-11 | 2014-05-01 | Nohmi Bosai Ltd | 放火威嚇装置および放火威嚇方法 |
-
1989
- 1989-07-14 JP JP8273389U patent/JPH0632587Y2/ja not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH077418U (ja) * | 1993-06-30 | 1995-02-03 | 株式会社安田 | 養魚用水槽の循環溢流具 |
| JP2014078147A (ja) * | 2012-10-11 | 2014-05-01 | Nohmi Bosai Ltd | 放火威嚇装置および放火威嚇方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0632587Y2 (ja) | 1994-08-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |