DE145850C - - Google Patents
Info
- Publication number
- DE145850C DE145850C DENDAT145850D DE145850DA DE145850C DE 145850 C DE145850 C DE 145850C DE NDAT145850 D DENDAT145850 D DE NDAT145850D DE 145850D A DE145850D A DE 145850DA DE 145850 C DE145850 C DE 145850C
- Authority
- DE
- Germany
- Prior art keywords
- current
- hour
- closers
- clock
- partial
- 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
- 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
- G04C21/305—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 by the hand(s) or handlike members closing the contacts
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
- Electromechanical Clocks (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE145850C true DE145850C (enrdf_load_stackoverflow) |
Family
ID=413171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT145850D Active DE145850C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE145850C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT145850D patent/DE145850C/de active Active
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