JPS4725077U - - Google Patents
Info
- Publication number
- JPS4725077U JPS4725077U JP2693071U JP2693071U JPS4725077U JP S4725077 U JPS4725077 U JP S4725077U JP 2693071 U JP2693071 U JP 2693071U JP 2693071 U JP2693071 U JP 2693071U JP S4725077 U JPS4725077 U JP S4725077U
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- 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
- G04C3/067—Driving circuits with distinct detecting and driving coils
-
- 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
-
- 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
- G04C3/08—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 mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
- G04C3/10—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 mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromechanical Clocks (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2693071U JPS4725077U (en) | 1971-04-12 | 1971-04-12 | |
| GB1665472A GB1345302A (en) | 1971-04-12 | 1972-04-11 | Electromagnetically driven oscillator assembly for a timepiece |
| FR7212617A FR2132851B1 (en) | 1971-04-12 | 1972-04-11 | |
| DE19722217387 DE2217387A1 (en) | 1971-04-12 | 1972-04-11 | Electromagnetically driven oscillator for a clock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2693071U JPS4725077U (en) | 1971-04-12 | 1971-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4725077U true JPS4725077U (en) | 1972-11-21 |
Family
ID=12206867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2693071U Pending JPS4725077U (en) | 1971-04-12 | 1971-04-12 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS4725077U (en) |
| DE (1) | DE2217387A1 (en) |
| FR (1) | FR2132851B1 (en) |
| GB (1) | GB1345302A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3944027B1 (en) * | 2020-07-21 | 2024-06-05 | The Swatch Group Research and Development Ltd | Portable object, in particular a wristwatch, comprising a power supply device provided with an electromechanical converter |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH481860A4 (en) * | 1960-04-28 | 1964-06-15 | ||
| FR1364753A (en) * | 1963-05-16 | 1964-06-26 | Bulova Watch Co Inc | Electromagnetic clockwork movement |
| CH1385466A4 (en) * | 1966-09-26 | 1969-07-31 |
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1971
- 1971-04-12 JP JP2693071U patent/JPS4725077U/ja active Pending
-
1972
- 1972-04-11 FR FR7212617A patent/FR2132851B1/fr not_active Expired
- 1972-04-11 GB GB1665472A patent/GB1345302A/en not_active Expired
- 1972-04-11 DE DE19722217387 patent/DE2217387A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1345302A (en) | 1974-01-30 |
| FR2132851B1 (en) | 1975-03-21 |
| DE2217387A1 (en) | 1972-10-19 |
| FR2132851A1 (en) | 1972-11-24 |