DE143589C - - Google Patents
Info
- Publication number
- DE143589C DE143589C DENDAT143589D DE143589DA DE143589C DE 143589 C DE143589 C DE 143589C DE NDAT143589 D DENDAT143589 D DE NDAT143589D DE 143589D A DE143589D A DE 143589DA DE 143589 C DE143589 C DE 143589C
- Authority
- DE
- Germany
- Prior art keywords
- horn
- air
- closure
- sound opening
- skin
- 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
- G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
- G10K9/22—Mountings; Casings
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE143589C true DE143589C (https=) |
Family
ID=411074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT143589D Active DE143589C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE143589C (https=) |
-
0
- DE DENDAT143589D patent/DE143589C/de active Active
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