FR1314561A - Acoustic signaling device - Google Patents
Acoustic signaling deviceInfo
- Publication number
- FR1314561A FR1314561A FR880664A FR880664A FR1314561A FR 1314561 A FR1314561 A FR 1314561A FR 880664 A FR880664 A FR 880664A FR 880664 A FR880664 A FR 880664A FR 1314561 A FR1314561 A FR 1314561A
- Authority
- FR
- France
- Prior art keywords
- signaling device
- acoustic signaling
- acoustic
- signaling
- 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
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
- G10K15/00—Acoustics not otherwise provided for
- G10K15/04—Sound-producing devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/02—Arranging blasting cartridges to form an assembly
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- General Engineering & Computer Science (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR880664A FR1314561A (en) | 1961-12-01 | 1961-12-01 | Acoustic signaling device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR880664A FR1314561A (en) | 1961-12-01 | 1961-12-01 | Acoustic signaling device |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1314561A true FR1314561A (en) | 1963-01-11 |
Family
ID=8767864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR880664A Expired FR1314561A (en) | 1961-12-01 | 1961-12-01 | Acoustic signaling device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1314561A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1294843B (en) * | 1964-11-27 | 1969-05-08 | Burndept Electronics Ltd | Radio signal buoy |
-
1961
- 1961-12-01 FR FR880664A patent/FR1314561A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1294843B (en) * | 1964-11-27 | 1969-05-08 | Burndept Electronics Ltd | Radio signal buoy |
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