JPH0632587Y2 - 遮音性能測定用音源装置 - Google Patents
遮音性能測定用音源装置Info
- Publication number
- JPH0632587Y2 JPH0632587Y2 JP8273389U JP8273389U JPH0632587Y2 JP H0632587 Y2 JPH0632587 Y2 JP H0632587Y2 JP 8273389 U JP8273389 U JP 8273389U JP 8273389 U JP8273389 U JP 8273389U JP H0632587 Y2 JPH0632587 Y2 JP H0632587Y2
- Authority
- JP
- Japan
- Prior art keywords
- sound
- source device
- sound insulation
- insulation performance
- sound source
- 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.)
- Expired - Fee Related
Links
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 JPH0323359U (US06174465-20010116-C00003.png) | 1991-03-11 |
JPH0632587Y2 true 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 (US06174465-20010116-C00003.png) |
Families Citing this family (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
Also Published As
Publication number | Publication date |
---|---|
JPH0323359U (US06174465-20010116-C00003.png) | 1991-03-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |