FR527303A - Cornet avertisseur électromagnétique - Google Patents
Cornet avertisseur électromagnétiqueInfo
- Publication number
- FR527303A FR527303A FR527303A FR527303DA FR527303A FR 527303 A FR527303 A FR 527303A FR 527303 A FR527303 A FR 527303A FR 527303D A FR527303D A FR 527303DA FR 527303 A FR527303 A FR 527303A
- Authority
- FR
- France
- Prior art keywords
- horn
- electromagnetic
- electromagnetic horn
- horn horn
- 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
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
- G10K9/13—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using electromagnetic driving means
- G10K9/15—Self-interrupting arrangements
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR527303T | 1920-11-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR527303A true FR527303A (fr) | 1921-10-24 |
Family
ID=8921305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR527303A Expired FR527303A (fr) | 1920-11-17 | 1920-11-17 | Cornet avertisseur électromagnétique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR527303A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0025154A2 (fr) * | 1979-09-07 | 1981-03-18 | Nippondenso Co., Ltd. | Dispositif d'alarme électrique |
-
1920
- 1920-11-17 FR FR527303A patent/FR527303A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0025154A2 (fr) * | 1979-09-07 | 1981-03-18 | Nippondenso Co., Ltd. | Dispositif d'alarme électrique |
EP0025154A3 (fr) * | 1979-09-07 | 1981-09-09 | Nippondenso Co., Ltd. | Dispositif d'alarme électrique |
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