DE135093C - - Google Patents
Info
- Publication number
- DE135093C DE135093C DENDAT135093D DE135093DA DE135093C DE 135093 C DE135093 C DE 135093C DE NDAT135093 D DENDAT135093 D DE NDAT135093D DE 135093D A DE135093D A DE 135093DA DE 135093 C DE135093 C DE 135093C
- Authority
- DE
- Germany
- Prior art keywords
- wheel
- alarm clock
- spring
- clock
- gear
- 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
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000011664 signaling Effects 0.000 claims 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 229920001875 Ebonite Polymers 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 240000006829 Ficus sundaica Species 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C21/00—Producing acoustic time signals by electrical means
- G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
- G04C21/30—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times with provision for a number of operations at different times, e.g. ringing the bells in a school
- G04C21/32—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times with provision for a number of operations at different times, e.g. ringing the bells in a school giving indications at a number of places each at a different time, e.g. system of alarms in a hotel
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE135093C true DE135093C (fa) |
Family
ID=403160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT135093D Active DE135093C (fa) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE135093C (fa) |
-
0
- DE DENDAT135093D patent/DE135093C/de active Active
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