CH54233A - Elektrische Signaleinrichtung - Google Patents
Elektrische SignaleinrichtungInfo
- Publication number
- CH54233A CH54233A CH54233A CH54233DA CH54233A CH 54233 A CH54233 A CH 54233A CH 54233 A CH54233 A CH 54233A CH 54233D A CH54233D A CH 54233DA CH 54233 A CH54233 A CH 54233A
- Authority
- CH
- Switzerland
- Prior art keywords
- signaling device
- electrical signaling
- electrical
- signaling
- Prior art date
Links
- 230000011664 signaling Effects 0.000 title 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH54233T | 1910-07-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH54233A true CH54233A (de) | 1912-05-01 |
Family
ID=4293322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH54233A CH54233A (de) | 1910-07-05 | 1910-07-05 | Elektrische Signaleinrichtung |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH54233A (de) |
-
1910
- 1910-07-05 CH CH54233A patent/CH54233A/de unknown
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