DE199019C - - Google Patents
Info
- Publication number
- DE199019C DE199019C DENDAT199019D DE199019DA DE199019C DE 199019 C DE199019 C DE 199019C DE NDAT199019 D DENDAT199019 D DE NDAT199019D DE 199019D A DE199019D A DE 199019DA DE 199019 C DE199019 C DE 199019C
- Authority
- DE
- Germany
- Prior art keywords
- membrane
- spring
- sound
- interference effects
- hammer
- 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.)
- Active
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)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE199019C true DE199019C (OSRAM) |
Family
ID=461775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT199019D Active DE199019C (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE199019C (OSRAM) |
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0
- DE DENDAT199019D patent/DE199019C/de active Active
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