BE394185A - - Google Patents
Info
- Publication number
- BE394185A BE394185A BE394185DA BE394185A BE 394185 A BE394185 A BE 394185A BE 394185D A BE394185D A BE 394185DA BE 394185 A BE394185 A BE 394185A
- Authority
- BE
- Belgium
- Prior art keywords
- hammer
- armature
- sound box
- switch
- electromagnet
- Prior art date
Links
- 239000012528 membrane Substances 0.000 description 5
- 238000004804 winding Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
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)
- Electromagnets (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE394185A true BE394185A (en:Method) |
Family
ID=61458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE394185D BE394185A (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE394185A (en:Method) |
-
0
- BE BE394185D patent/BE394185A/fr unknown
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