FR680855A - Appareil producteur de sons actionné par électro-aimant - Google Patents
Appareil producteur de sons actionné par électro-aimantInfo
- Publication number
- FR680855A FR680855A FR680855DA FR680855A FR 680855 A FR680855 A FR 680855A FR 680855D A FR680855D A FR 680855DA FR 680855 A FR680855 A FR 680855A
- Authority
- FR
- France
- Prior art keywords
- electromagnet
- producing device
- operated sound
- sound
- operated
- 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
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 |
---|---|---|---|
FR680855T | 1929-08-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR680855A true FR680855A (fr) | 1930-05-07 |
Family
ID=9022504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR680855D Expired FR680855A (fr) | 1929-08-27 | 1929-08-27 | Appareil producteur de sons actionné par électro-aimant |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR680855A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4028503A (en) * | 1974-08-07 | 1977-06-07 | Hakon Rosenkilde | Electromagnetic sound generator |
-
1929
- 1929-08-27 FR FR680855D patent/FR680855A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4028503A (en) * | 1974-08-07 | 1977-06-07 | Hakon Rosenkilde | Electromagnetic sound generator |
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