DE234079C - - Google Patents
Info
- Publication number
- DE234079C DE234079C DENDAT234079D DE234079DA DE234079C DE 234079 C DE234079 C DE 234079C DE NDAT234079 D DENDAT234079 D DE NDAT234079D DE 234079D A DE234079D A DE 234079DA DE 234079 C DE234079 C DE 234079C
- Authority
- DE
- Germany
- Prior art keywords
- piston rod
- piston
- openings
- air
- signal
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Actuator (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE234079C true DE234079C (cs) |
Family
ID=493964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT234079D Active DE234079C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE234079C (cs) |
-
0
- DE DENDAT234079D patent/DE234079C/de active Active
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