DE227000C - - Google Patents
Info
- Publication number
- DE227000C DE227000C DENDAT227000D DE227000DA DE227000C DE 227000 C DE227000 C DE 227000C DE NDAT227000 D DENDAT227000 D DE NDAT227000D DE 227000D A DE227000D A DE 227000DA DE 227000 C DE227000 C DE 227000C
- Authority
- DE
- Germany
- Prior art keywords
- piston
- sound
- slots
- cylinder
- drive
- 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
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000011664 signaling Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 2
- 241000189705 Dunedin group Species 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005192 partition 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
- G10K7/00—Sirens
- G10K7/06—Sirens in which the sound-producing member is driven by a fluid, e.g. by a compressed gas
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE227000C true DE227000C (OSRAM) |
Family
ID=487496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT227000D Active DE227000C (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE227000C (OSRAM) |
-
0
- DE DENDAT227000D patent/DE227000C/de active Active
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