DE169804C - - Google Patents
Info
- Publication number
- DE169804C DE169804C DENDAT169804D DE169804DA DE169804C DE 169804 C DE169804 C DE 169804C DE NDAT169804 D DENDAT169804 D DE NDAT169804D DE 169804D A DE169804D A DE 169804DA DE 169804 C DE169804 C DE 169804C
- Authority
- DE
- Germany
- Prior art keywords
- fan
- springs
- relaxing
- locking device
- shaft
- 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
- 230000002040 relaxant effect Effects 0.000 claims 2
- 230000011664 signaling Effects 0.000 claims 1
- 230000005540 biological transmission 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
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/10—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by mechanical means only
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Emergency Alarm Devices (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE169804C true DE169804C (cs) |
Family
ID=434892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT169804D Active DE169804C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE169804C (cs) |
-
0
- DE DENDAT169804D patent/DE169804C/de active Active
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