DE180190C - - Google Patents
Info
- Publication number
- DE180190C DE180190C DENDAT180190D DE180190DA DE180190C DE 180190 C DE180190 C DE 180190C DE NDAT180190 D DENDAT180190 D DE NDAT180190D DE 180190D A DE180190D A DE 180190DA DE 180190 C DE180190 C DE 180190C
- Authority
- DE
- Germany
- Prior art keywords
- sound
- horn
- porous material
- porous
- under
- 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
- 239000012528 membrane Substances 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims 4
- 244000299507 Gossypium hirsutum Species 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 229920000742 Cotton Polymers 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general
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 |
|---|---|
| DE180190C true DE180190C (enExample) |
Family
ID=444462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT180190D Active DE180190C (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE180190C (enExample) |
-
0
- DE DENDAT180190D patent/DE180190C/de active Active
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