FR74955E - Avertisseur sonore - Google Patents
Avertisseur sonoreInfo
- Publication number
- FR74955E FR74955E FR786593A FR786593A FR74955E FR 74955 E FR74955 E FR 74955E FR 786593 A FR786593 A FR 786593A FR 786593 A FR786593 A FR 786593A FR 74955 E FR74955 E FR 74955E
- Authority
- FR
- France
- Prior art keywords
- buzzer
- 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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR786593A FR74955E (fr) | 1959-02-11 | 1959-02-11 | Avertisseur sonore |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR786593A FR74955E (fr) | 1959-02-11 | 1959-02-11 | Avertisseur sonore |
Publications (1)
Publication Number | Publication Date |
---|---|
FR74955E true FR74955E (fr) | 1961-03-03 |
Family
ID=8711208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR786593A Expired FR74955E (fr) | 1959-02-11 | 1959-02-11 | Avertisseur sonore |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR74955E (fr) |
-
1959
- 1959-02-11 FR FR786593A patent/FR74955E/fr not_active Expired
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