DE237982C - - Google Patents
Info
- Publication number
- DE237982C DE237982C DENDAT237982D DE237982DA DE237982C DE 237982 C DE237982 C DE 237982C DE NDAT237982 D DENDAT237982 D DE NDAT237982D DE 237982D A DE237982D A DE 237982DA DE 237982 C DE237982 C DE 237982C
- Authority
- DE
- Germany
- Prior art keywords
- contact
- spring
- clock
- hour
- pin
- 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
- 239000002184 metal Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 230000000875 corresponding Effects 0.000 description 2
- 230000036633 rest Effects 0.000 description 2
- 206010064291 Maladministrations Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged 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
- G04C21/326—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 adjustable from the different places themselves
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE237982C true DE237982C (es) |
Family
ID=497545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT237982D Active DE237982C (es) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE237982C (es) |
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0
- DE DENDAT237982D patent/DE237982C/de active Active
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