JPS544241B2 - - Google Patents
Info
- Publication number
- JPS544241B2 JPS544241B2 JP15797975A JP15797975A JPS544241B2 JP S544241 B2 JPS544241 B2 JP S544241B2 JP 15797975 A JP15797975 A JP 15797975A JP 15797975 A JP15797975 A JP 15797975A JP S544241 B2 JPS544241 B2 JP S544241B2
- 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
- Road Paving Structures (AREA)
- Building Environments (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15797975A JPS5282301A (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 |
GB4977/79A GB1557778A (en) | 1975-05-28 | 1976-05-20 | Device for reducing noise |
GB20920/76A GB1560901A (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 |
---|---|---|---|
JP15797975A JPS5282301A (en) | 1975-12-29 | 1975-12-29 | Device for controlling propagating direction of noise |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5282301A JPS5282301A (en) | 1977-07-09 |
JPS544241B2 true JPS544241B2 (de) | 1979-03-05 |
Family
ID=15661588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15797975A Granted JPS5282301A (en) | 1975-05-28 | 1975-12-29 | Device for controlling propagating direction of noise |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5282301A (de) |
Families Citing this family (1)
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 |
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1975
- 1975-12-29 JP JP15797975A patent/JPS5282301A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5282301A (en) | 1977-07-09 |