CH51549A - Elektrische Weckeinrichtung - Google Patents
Elektrische WeckeinrichtungInfo
- Publication number
- CH51549A CH51549A CH51549A CH51549DA CH51549A CH 51549 A CH51549 A CH 51549A CH 51549 A CH51549 A CH 51549A CH 51549D A CH51549D A CH 51549DA CH 51549 A CH51549 A CH 51549A
- Authority
- CH
- Switzerland
- Prior art keywords
- alarm clock
- electric alarm
- electric
- clock
- alarm
- Prior art date
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
- G04C21/32—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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH51549T | 1910-08-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH51549A true CH51549A (de) | 1911-09-01 |
Family
ID=4288839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH51549A CH51549A (de) | 1910-08-20 | 1910-08-20 | Elektrische Weckeinrichtung |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH51549A (de) |
-
1910
- 1910-08-20 CH CH51549A patent/CH51549A/de unknown
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