FR430317A - Sound alarm with siren - Google Patents
Sound alarm with sirenInfo
- Publication number
- FR430317A FR430317A FR430317DA FR430317A FR 430317 A FR430317 A FR 430317A FR 430317D A FR430317D A FR 430317DA FR 430317 A FR430317 A FR 430317A
- Authority
- FR
- France
- Prior art keywords
- siren
- sound alarm
- alarm
- sound
- 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
- G10K7/00—Sirens
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR430317T | 1911-05-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR430317A true FR430317A (en) | 1911-10-13 |
Family
ID=1472573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR430317D Expired FR430317A (en) | 1911-05-30 | 1911-05-30 | Sound alarm with siren |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR430317A (en) |
-
1911
- 1911-05-30 FR FR430317D patent/FR430317A/en not_active Expired
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