JPS5431933A - Device for silencing impulsive noises due to rapid entry into tunnel - Google Patents
Device for silencing impulsive noises due to rapid entry into tunnelInfo
- Publication number
- JPS5431933A JPS5431933A JP9803577A JP9803577A JPS5431933A JP S5431933 A JPS5431933 A JP S5431933A JP 9803577 A JP9803577 A JP 9803577A JP 9803577 A JP9803577 A JP 9803577A JP S5431933 A JPS5431933 A JP S5431933A
- Authority
- JP
- Japan
- Prior art keywords
- silencing
- tunnel
- noises due
- rapid entry
- impulsive noises
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9803577A JPS5431933A (en) | 1977-08-16 | 1977-08-16 | Device for silencing impulsive noises due to rapid entry into tunnel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9803577A JPS5431933A (en) | 1977-08-16 | 1977-08-16 | Device for silencing impulsive noises due to rapid entry into tunnel |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5431933A true JPS5431933A (en) | 1979-03-09 |
Family
ID=14208780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9803577A Pending JPS5431933A (en) | 1977-08-16 | 1977-08-16 | Device for silencing impulsive noises due to rapid entry into tunnel |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5431933A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51116033A (en) * | 1975-04-05 | 1976-10-13 | Tooru Ishima | Preventive method of impulse sound of tunnel for rapid transit train |
-
1977
- 1977-08-16 JP JP9803577A patent/JPS5431933A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51116033A (en) * | 1975-04-05 | 1976-10-13 | Tooru Ishima | Preventive method of impulse sound of tunnel for rapid transit train |
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