FR948880A - Alarm clock - Google Patents
Alarm clockInfo
- Publication number
- FR948880A FR948880A FR948880DA FR948880A FR 948880 A FR948880 A FR 948880A FR 948880D A FR948880D A FR 948880DA FR 948880 A FR948880 A FR 948880A
- Authority
- FR
- France
- Prior art keywords
- alarm clock
- alarm
- clock
- 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
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B23/00—Arrangements producing acoustic signals at preselected times
- G04B23/02—Alarm clocks
- G04B23/023—Driving, e.g. by springs or common drive with the clockwork; gears; escapements
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR948880T | 1947-06-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR948880A true FR948880A (en) | 1949-08-12 |
Family
ID=9474284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR948880D Expired FR948880A (en) | 1947-06-25 | 1947-06-25 | Alarm clock |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR948880A (en) |
-
1947
- 1947-06-25 FR FR948880D patent/FR948880A/en not_active Expired
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