FR560283A - Dispositif producteur de sons - Google Patents
Dispositif producteur de sonsInfo
- Publication number
- FR560283A FR560283A FR560283DA FR560283A FR 560283 A FR560283 A FR 560283A FR 560283D A FR560283D A FR 560283DA FR 560283 A FR560283 A FR 560283A
- Authority
- FR
- France
- Prior art keywords
- sound
- producing device
- producing
- 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
- G10K7/02—Sirens in which the sound-producing member is rotated manually or by a motor
- G10K7/04—Sirens in which the sound-producing member is rotated manually or by a motor by an electric motor
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR560283T | 1922-11-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR560283A true FR560283A (fr) | 1923-10-02 |
Family
ID=8942823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR560283D Expired FR560283A (fr) | 1922-11-29 | 1922-11-29 | Dispositif producteur de sons |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR560283A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2616956A (en) * | 1948-01-22 | 1952-11-04 | Russell Ernest Stuart | Rotary siren |
US4691194A (en) * | 1983-10-11 | 1987-09-01 | Iskra-Sozd Elektrokovinske Industrije N.Sol.O | Electric alarm siren with arc-like runner legs |
-
1922
- 1922-11-29 FR FR560283D patent/FR560283A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2616956A (en) * | 1948-01-22 | 1952-11-04 | Russell Ernest Stuart | Rotary siren |
US4691194A (en) * | 1983-10-11 | 1987-09-01 | Iskra-Sozd Elektrokovinske Industrije N.Sol.O | Electric alarm siren with arc-like runner legs |
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