DE217297C - - Google Patents
Info
- Publication number
- DE217297C DE217297C DENDAT217297D DE217297DA DE217297C DE 217297 C DE217297 C DE 217297C DE NDAT217297 D DENDAT217297 D DE NDAT217297D DE 217297D A DE217297D A DE 217297DA DE 217297 C DE217297 C DE 217297C
- Authority
- DE
- Germany
- Prior art keywords
- membrane
- pressure body
- hollow body
- closure piece
- closure
- 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 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000011664 signaling Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 210000000867 larynx Anatomy 0.000 description 1
- 238000009333 weeding Methods 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
- G10K9/02—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by gas; e.g. suction operated
- G10K9/04—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by gas; e.g. suction operated by compressed gases, e.g. compressed air
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Prostheses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE217297C true DE217297C (enrdf_load_stackoverflow) |
Family
ID=478614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT217297D Active DE217297C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE217297C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT217297D patent/DE217297C/de active Active
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