FR814829A - Improvements made to clocks, pendulums and all other devices indicating the time - Google Patents
Improvements made to clocks, pendulums and all other devices indicating the timeInfo
- Publication number
- FR814829A FR814829A FR814829DA FR814829A FR 814829 A FR814829 A FR 814829A FR 814829D A FR814829D A FR 814829DA FR 814829 A FR814829 A FR 814829A
- Authority
- FR
- France
- Prior art keywords
- pendulums
- clocks
- time
- improvements made
- devices indicating
- 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
- G04B19/00—Indicating the time by visual means
- G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
- G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
- G04B19/257—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator drum-shaped or three-dimensional shaped
- G04B19/2573—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
- G04B19/2575—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR814829T | 1936-12-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR814829A true FR814829A (en) | 1937-06-30 |
Family
ID=9266923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR814829D Expired FR814829A (en) | 1936-12-12 | 1936-12-12 | Improvements made to clocks, pendulums and all other devices indicating the time |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR814829A (en) |
-
1936
- 1936-12-12 FR FR814829D patent/FR814829A/en not_active Expired
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