FR611561A - Perfectionnements aux réveils à arrêt de sonnerie - Google Patents
Perfectionnements aux réveils à arrêt de sonnerieInfo
- Publication number
- FR611561A FR611561A FR611561DA FR611561A FR 611561 A FR611561 A FR 611561A FR 611561D A FR611561D A FR 611561DA FR 611561 A FR611561 A FR 611561A
- Authority
- FR
- France
- Prior art keywords
- ringing
- alarm clocks
- 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
- G04B23/08—Alarm clocks operating on successive days without resetting; operating only once in each 24 hours
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR611561T | 1926-02-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR611561A true FR611561A (fr) | 1926-10-01 |
Family
ID=8978182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR611561D Expired FR611561A (fr) | 1926-02-22 | 1926-02-22 | Perfectionnements aux réveils à arrêt de sonnerie |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR611561A (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2548362A (en) * | 1948-11-22 | 1951-04-10 | Edward L Gordon | Automatic restoring mechanism for alarm-clock shutoffs |
US2636337A (en) * | 1949-04-16 | 1953-04-28 | Mason Collins | Alarm device |
DE1185123B (de) * | 1960-06-01 | 1965-01-07 | Johannes Ingwersen | Weckerabsteller mit automatischer Ausloesung |
-
1926
- 1926-02-22 FR FR611561D patent/FR611561A/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2548362A (en) * | 1948-11-22 | 1951-04-10 | Edward L Gordon | Automatic restoring mechanism for alarm-clock shutoffs |
US2636337A (en) * | 1949-04-16 | 1953-04-28 | Mason Collins | Alarm device |
DE1185123B (de) * | 1960-06-01 | 1965-01-07 | Johannes Ingwersen | Weckerabsteller mit automatischer Ausloesung |
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