FR375265A - Réveil électrique - Google Patents
Réveil électriqueInfo
- Publication number
- FR375265A FR375265A FR375265DA FR375265A FR 375265 A FR375265 A FR 375265A FR 375265D A FR375265D A FR 375265DA FR 375265 A FR375265 A FR 375265A
- Authority
- FR
- France
- Prior art keywords
- alarm clock
- electric alarm
- electric
- clock
- alarm
- 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.)
- Expired
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR375265T | 1907-02-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR375265A true FR375265A (fr) | 1907-07-04 |
Family
ID=1421840
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR375265D Expired FR375265A (fr) | 1907-02-21 | 1907-02-21 | Réveil électrique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR375265A (fr) |
-
1907
- 1907-02-21 FR FR375265D patent/FR375265A/fr not_active Expired
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