DE189431C - - Google Patents
Info
- Publication number
- DE189431C DE189431C DENDAT189431D DE189431DA DE189431C DE 189431 C DE189431 C DE 189431C DE NDAT189431 D DENDAT189431 D DE NDAT189431D DE 189431D A DE189431D A DE 189431DA DE 189431 C DE189431 C DE 189431C
- Authority
- DE
- Germany
- Prior art keywords
- membrane
- clapper
- alarm clock
- housing
- outside
- 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
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 230000001681 protective effect Effects 0.000 description 3
- 230000000284 resting effect Effects 0.000 description 2
- 241000947840 Alteromonadales Species 0.000 description 1
- 244000305961 Phyllogeiton discolor Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 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
- G10K1/00—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs
- G10K1/06—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube
- G10K1/08—Details or accessories of general applicability
- G10K1/26—Mountings; Casings
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electromechanical Clocks (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE189431C true DE189431C (enrdf_load_stackoverflow) |
Family
ID=452976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT189431D Active DE189431C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE189431C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT189431D patent/DE189431C/de active Active
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