DE3174066D1 - Positively controlled sound generator - Google Patents
Positively controlled sound generatorInfo
- Publication number
- DE3174066D1 DE3174066D1 DE8181902814T DE3174066T DE3174066D1 DE 3174066 D1 DE3174066 D1 DE 3174066D1 DE 8181902814 T DE8181902814 T DE 8181902814T DE 3174066 T DE3174066 T DE 3174066T DE 3174066 D1 DE3174066 D1 DE 3174066D1
- Authority
- DE
- Germany
- Prior art keywords
- sound generator
- positively controlled
- controlled sound
- positively
- generator
- 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
Links
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8007150A SE425597B (en) | 1980-10-13 | 1980-10-13 | FORCED CONTROL SOUND STRUCTORS FOR THE INFRALUE AREA |
PCT/SE1981/000296 WO1982001328A1 (en) | 1980-10-13 | 1981-10-13 | Positively controlled sound generator |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3174066D1 true DE3174066D1 (en) | 1986-04-17 |
Family
ID=26657699
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8181902814T Expired DE3174066D1 (en) | 1980-10-13 | 1981-10-13 | Positively controlled sound generator |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3174066D1 (en) |
-
1981
- 1981-10-13 DE DE8181902814T patent/DE3174066D1/en not_active Expired
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |