FR2245993A1 - - Google Patents
Info
- Publication number
- FR2245993A1 FR2245993A1 FR7428131A FR7428131A FR2245993A1 FR 2245993 A1 FR2245993 A1 FR 2245993A1 FR 7428131 A FR7428131 A FR 7428131A FR 7428131 A FR7428131 A FR 7428131A FR 2245993 A1 FR2245993 A1 FR 2245993A1
- Authority
- FR
- France
- 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.)
- Granted
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
- G04B19/20—Indicating by numbered bands, drums, discs, or sheets
- G04B19/202—Indicating by numbered bands, drums, discs, or sheets by means of turning discs
-
- 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
- G04B13/00—Gearwork
- G04B13/002—Gearwork where rotation in one direction is changed into a stepping movement
-
- 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
- G04B19/25386—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 manually corrected at the end of months having less than 31 days
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1145073A CH567749B5 (US20110009641A1-20110113-C00116.png) | 1973-08-08 | 1973-08-08 | |
CH995174A CH599583B5 (US20110009641A1-20110113-C00116.png) | 1974-07-19 | 1974-07-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2245993A1 true FR2245993A1 (US20110009641A1-20110113-C00116.png) | 1975-04-25 |
FR2245993B1 FR2245993B1 (US20110009641A1-20110113-C00116.png) | 1979-07-06 |
Family
ID=25705583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7428131A Expired FR2245993B1 (US20110009641A1-20110113-C00116.png) | 1973-08-08 | 1974-08-07 |
Country Status (4)
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2429460A1 (fr) * | 1978-06-23 | 1980-01-18 | Inst Chasovoi Promyshlennost | Dispositif a calendrier a action instantanee |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53110559A (en) * | 1977-03-08 | 1978-09-27 | Citizen Watch Co Ltd | Electronic watch |
CH682285B5 (fr) * | 1991-12-20 | 1994-02-28 | Ebauchesfabrik Eta Ag | Pièce d'horlogerie du type mécanique ou électromécanique comportant une roue d'entraînement pilotant au moins un dispositif d'affichage, tel qu'un affichage des quantièmes. |
JP3539857B2 (ja) * | 1997-12-25 | 2004-07-07 | セイコーインスツルメンツ株式会社 | 間欠送り機構 |
EP3101486B1 (fr) * | 2015-06-02 | 2018-10-03 | ETA SA Manufacture Horlogère Suisse | Coeur d'horlogerie ou de chronographe |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH550425A (US20110009641A1-20110113-C00116.png) * | 1966-01-11 | 1974-06-14 | ||
CH458216A (fr) * | 1966-02-22 | 1968-08-15 | Ebauches Sa | Mécanisme "à surprise" pour pièce d'horlogerie |
CH525507A (fr) * | 1969-11-03 | 1971-08-13 | Tissot Horlogerie | Mécanisme d'entraînement d'un organe indicateur de quantième dans une pièce d'horlogerie |
US3673789A (en) * | 1970-06-13 | 1972-07-04 | Citizen Watch Co Ltd | Calendar timepiece with month advancement mechanism for 29,30,or 31 day months |
CH535447A (fr) * | 1970-08-19 | 1972-12-15 | Schild Sa A | Mouvement de montre à quantième et jour de la semaine |
-
1974
- 1974-08-01 US US493982A patent/US3875739A/en not_active Expired - Lifetime
- 1974-08-07 FR FR7428131A patent/FR2245993B1/fr not_active Expired
- 1974-08-07 DE DE2438390A patent/DE2438390A1/de not_active Withdrawn
- 1974-08-08 JP JP49091139A patent/JPS5072668A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2429460A1 (fr) * | 1978-06-23 | 1980-01-18 | Inst Chasovoi Promyshlennost | Dispositif a calendrier a action instantanee |
Also Published As
Publication number | Publication date |
---|---|
US3875739A (en) | 1975-04-08 |
FR2245993B1 (US20110009641A1-20110113-C00116.png) | 1979-07-06 |
DE2438390A1 (de) | 1975-02-20 |
JPS5072668A (US20110009641A1-20110113-C00116.png) | 1975-06-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |