DE195974C - - Google Patents
Info
- Publication number
- DE195974C DE195974C DENDAT195974D DE195974DA DE195974C DE 195974 C DE195974 C DE 195974C DE NDAT195974 D DENDAT195974 D DE NDAT195974D DE 195974D A DE195974D A DE 195974DA DE 195974 C DE195974 C DE 195974C
- Authority
- DE
- Germany
- Prior art keywords
- valve
- valve body
- pressure changes
- pressure
- compressed air
- 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
- 230000002787 reinforcement Effects 0.000 claims description 2
- 241001422033 Thestylus Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001105 regulatory 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
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/08—Non-electric sound-amplifying devices, e.g. non-electric megaphones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Safety Valves (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE195974C true DE195974C (cs) |
Family
ID=458989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT195974D Active DE195974C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE195974C (cs) |
-
0
- DE DENDAT195974D patent/DE195974C/de active Active
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