JPS528801A - Noise propagation direction control device - Google Patents
Noise propagation direction control deviceInfo
- Publication number
- JPS528801A JPS528801A JP50084412A JP8441275A JPS528801A JP S528801 A JPS528801 A JP S528801A JP 50084412 A JP50084412 A JP 50084412A JP 8441275 A JP8441275 A JP 8441275A JP S528801 A JPS528801 A JP S528801A
- Authority
- JP
- Japan
- Prior art keywords
- control device
- direction control
- propagation direction
- noise propagation
- 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.)
- Granted
Links
Landscapes
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Building Environments (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50084412A JPS528801A (en) | 1975-07-11 | 1975-07-11 | Noise propagation direction control device |
| US05/703,985 US4158401A (en) | 1975-07-11 | 1976-07-09 | Device for controlling a propagation direction of noise |
| GB37866/76A GB1526525A (en) | 1975-07-11 | 1976-09-13 | Device for reducing noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50084412A JPS528801A (en) | 1975-07-11 | 1975-07-11 | Noise propagation direction control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS528801A true JPS528801A (en) | 1977-01-24 |
| JPS5333241B2 JPS5333241B2 (show.php) | 1978-09-13 |
Family
ID=13829863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50084412A Granted JPS528801A (en) | 1975-07-11 | 1975-07-11 | Noise propagation direction control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS528801A (show.php) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2834404T3 (es) * | 2013-07-07 | 2021-06-17 | 4Silence B V | Difractor para difractar un sonido |
-
1975
- 1975-07-11 JP JP50084412A patent/JPS528801A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5333241B2 (show.php) | 1978-09-13 |
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