FR677768A - Ringing device for alarm clocks - Google Patents
Ringing device for alarm clocksInfo
- Publication number
- FR677768A FR677768A FR677768DA FR677768A FR 677768 A FR677768 A FR 677768A FR 677768D A FR677768D A FR 677768DA FR 677768 A FR677768 A FR 677768A
- Authority
- FR
- France
- Prior art keywords
- alarm clocks
- ringing device
- ringing
- clocks
- 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
- 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
- G04B23/03—Alarm signal stop arrangements
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR677768T | 1929-07-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR677768A true FR677768A (en) | 1930-03-14 |
Family
ID=9020656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR677768D Expired FR677768A (en) | 1929-07-03 | 1929-07-03 | Ringing device for alarm clocks |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR677768A (en) |
-
1929
- 1929-07-03 FR FR677768D patent/FR677768A/en not_active Expired
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