JPS5613954B2 - - Google Patents
Info
- Publication number
- JPS5613954B2 JPS5613954B2 JP15798075A JP15798075A JPS5613954B2 JP S5613954 B2 JPS5613954 B2 JP S5613954B2 JP 15798075 A JP15798075 A JP 15798075A JP 15798075 A JP15798075 A JP 15798075A JP S5613954 B2 JPS5613954 B2 JP S5613954B2
- Authority
- JP
- Japan
- 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
Links
Landscapes
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Building Environments (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15798075A JPS5282302A (en) | 1975-12-29 | 1975-12-29 | Device for controlling propagating direction of noise |
| US05/686,338 US4069768A (en) | 1975-05-28 | 1976-05-14 | Device for controlling a propagation direction of noise |
| GB20920/76A GB1560901A (en) | 1975-05-28 | 1976-05-20 | Device for reducing noise |
| GB4977/79A GB1557778A (en) | 1975-05-28 | 1976-05-20 | Device for reducing noise |
| FR7616039A FR2312831A1 (fr) | 1975-05-28 | 1976-05-26 | Dispositif pour commander la direction du bruit et etablir une zone d'affaiblissement |
| DE2624026A DE2624026C3 (de) | 1975-05-28 | 1976-05-28 | Lärntschutzschirm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15798075A JPS5282302A (en) | 1975-12-29 | 1975-12-29 | Device for controlling propagating direction of noise |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5282302A JPS5282302A (en) | 1977-07-09 |
| JPS5613954B2 true JPS5613954B2 (OSRAM) | 1981-04-01 |
Family
ID=15661610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15798075A Granted JPS5282302A (en) | 1975-05-28 | 1975-12-29 | Device for controlling propagating direction of noise |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5282302A (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0654436B2 (ja) * | 1986-04-24 | 1994-07-20 | 松下電工株式会社 | 音波の伝播方向制御装置 |
| JPH0654437B2 (ja) * | 1986-06-14 | 1994-07-20 | 松下電工株式会社 | 音響レンズ |
-
1975
- 1975-12-29 JP JP15798075A patent/JPS5282302A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5282302A (en) | 1977-07-09 |