DE138691C - - Google Patents
Info
- Publication number
- DE138691C DE138691C DENDAT138691D DE138691DA DE138691C DE 138691 C DE138691 C DE 138691C DE NDAT138691 D DENDAT138691 D DE NDAT138691D DE 138691D A DE138691D A DE 138691DA DE 138691 C DE138691 C DE 138691C
- Authority
- DE
- Germany
- Prior art keywords
- bell
- vibrating
- hammer
- alarm
- 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
- 230000010355 oscillation Effects 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B23/00—Arrangements producing acoustic signals at preselected times
- G04B23/02—Alarm clocks
- G04B23/026—Hammer driving; hammers; devices with several hammers or sounding bodies; vibrators
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE138691C true DE138691C (enrdf_load_stackoverflow) |
Family
ID=406481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT138691D Active DE138691C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE138691C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT138691D patent/DE138691C/de active Active
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