LU74963A1 - - Google Patents
Info
- Publication number
- LU74963A1 LU74963A1 LU74963A LU74963A LU74963A1 LU 74963 A1 LU74963 A1 LU 74963A1 LU 74963 A LU74963 A LU 74963A LU 74963 A LU74963 A LU 74963A LU 74963 A1 LU74963 A1 LU 74963A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K5/00—Whistles
- G10K5/02—Ultrasonic whistles
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Surgical Instruments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2537540A DE2537540C3 (de) | 1975-08-22 | 1975-08-22 | Statischer Ultraschallgenerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU74963A1 true LU74963A1 (https=) | 1977-01-18 |
Family
ID=5954655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU74963A LU74963A1 (https=) | 1975-08-22 | 1976-05-17 |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5226822A (https=) |
| BE (1) | BE845386A (https=) |
| DE (1) | DE2537540C3 (https=) |
| DK (1) | DK289976A (https=) |
| FR (1) | FR2321736A1 (https=) |
| IT (1) | IT1066986B (https=) |
| LU (1) | LU74963A1 (https=) |
| NL (1) | NL7606843A (https=) |
| NO (1) | NO762560L (https=) |
| SE (1) | SE7608707L (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8925478B2 (en) * | 2012-05-01 | 2015-01-06 | Curtis E. Graber | Directional isophasic toroidal whistle |
| CN110730042B (zh) * | 2019-07-30 | 2021-02-19 | 深圳先进技术研究院 | 一种通信方法及装置 |
-
1975
- 1975-08-22 DE DE2537540A patent/DE2537540C3/de not_active Expired
-
1976
- 1976-05-17 LU LU74963A patent/LU74963A1/xx unknown
- 1976-06-23 NL NL7606843A patent/NL7606843A/xx unknown
- 1976-06-28 DK DK289976A patent/DK289976A/da unknown
- 1976-07-21 NO NO762560A patent/NO762560L/no unknown
- 1976-08-03 SE SE7608707A patent/SE7608707L/ not_active Application Discontinuation
- 1976-08-18 FR FR7625112A patent/FR2321736A1/fr not_active Withdrawn
- 1976-08-19 IT IT26355/76A patent/IT1066986B/it active
- 1976-08-20 JP JP51099572A patent/JPS5226822A/ja active Pending
- 1976-08-20 BE BE169967A patent/BE845386A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2537540A1 (de) | 1977-02-24 |
| JPS5226822A (en) | 1977-02-28 |
| FR2321736A1 (fr) | 1977-03-18 |
| DE2537540C3 (de) | 1978-05-18 |
| DE2537540B2 (de) | 1977-09-01 |
| SE7608707L (sv) | 1977-02-23 |
| DK289976A (da) | 1977-02-23 |
| NO762560L (https=) | 1977-02-23 |
| NL7606843A (nl) | 1977-02-24 |
| BE845386A (fr) | 1976-12-16 |
| IT1066986B (it) | 1985-03-12 |