FR2134642A1 - - Google Patents
Info
- Publication number
- FR2134642A1 FR2134642A1 FR7215217A FR7215217A FR2134642A1 FR 2134642 A1 FR2134642 A1 FR 2134642A1 FR 7215217 A FR7215217 A FR 7215217A FR 7215217 A FR7215217 A FR 7215217A FR 2134642 A1 FR2134642 A1 FR 2134642A1
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C11/00—Synchronisation of independently-driven clocks
- G04C11/08—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction
- G04C11/081—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet
- G04C11/084—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet acting on the balance
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/04—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance
- G04C3/06—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance using electromagnetic coupling between electric power source and balance
- G04C3/065—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance using electromagnetic coupling between electric power source and balance the balance controlling gear-train by means of static switches, e.g. transistor circuits
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712121271 DE2121271A1 (de) | 1971-04-30 | 1971-04-30 | Verfahren zur Synchronisierung eines mechanischen Drehschwingsystems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2134642A1 true FR2134642A1 (enExample) | 1972-12-08 |
Family
ID=5806436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7215217A Withdrawn FR2134642A1 (enExample) | 1971-04-30 | 1972-04-28 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2121271A1 (enExample) |
| FR (1) | FR2134642A1 (enExample) |
| IT (1) | IT953748B (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3502796B1 (fr) * | 2017-12-20 | 2020-05-20 | The Swatch Group Research and Development Ltd | Piece d'horlogerie comprenant un oscillateur mecanique associe a un systeme de regulation |
-
1971
- 1971-04-30 DE DE19712121271 patent/DE2121271A1/de active Pending
-
1972
- 1972-04-24 IT IT2350472A patent/IT953748B/it active
- 1972-04-28 FR FR7215217A patent/FR2134642A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE2121271A1 (de) | 1972-11-09 |
| IT953748B (it) | 1973-08-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |