CH20797A - Datumanzeigevorrichtung - Google Patents
DatumanzeigevorrichtungInfo
- Publication number
- CH20797A CH20797A CH20797A CH20797DA CH20797A CH 20797 A CH20797 A CH 20797A CH 20797 A CH20797 A CH 20797A CH 20797D A CH20797D A CH 20797DA CH 20797 A CH20797 A CH 20797A
- Authority
- CH
- Switzerland
- Prior art keywords
- display device
- date display
- date
- display
- Prior art date
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
- G04B19/247—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 disc-shaped
- G04B19/253—Driving or releasing mechanisms
- G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
- G04B19/25373—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by an energy source which is released at determined moments by the clockwork movement
- G04B19/2538—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by an energy source which is released at determined moments by the clockwork movement automatically corrected at the end of months having less than 31 days
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH20797T | 1899-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH20797A true CH20797A (de) | 1901-03-31 |
Family
ID=4225403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH20797A CH20797A (de) | 1899-10-15 | 1899-10-15 | Datumanzeigevorrichtung |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH20797A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH656504GA3 (en) * | 1984-08-13 | 1986-07-15 | Intricate watch with trailing perpetual calendar |
-
1899
- 1899-10-15 CH CH20797A patent/CH20797A/de unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH656504GA3 (en) * | 1984-08-13 | 1986-07-15 | Intricate watch with trailing perpetual calendar |
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