CH1012968A4 - - Google Patents
Info
- Publication number
- CH1012968A4 CH1012968A4 CH1012968DD CH1012968A4 CH 1012968 A4 CH1012968 A4 CH 1012968A4 CH 1012968D D CH1012968D D CH 1012968DD CH 1012968 A4 CH1012968 A4 CH 1012968A4
- Authority
- CH
- Switzerland
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
- G04C3/08—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
- G04C3/108—Driving circuits
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR114013 | 1967-07-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH1012968A4 true CH1012968A4 (no) | 1970-06-30 |
Family
ID=8634975
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1012968A CH498441A (fr) | 1967-07-12 | 1968-07-05 | Procédé d'entretien électronique des vibrations d'un diapason et dispositif pour la mise en oeuvre de ce procédé |
| CH1012968D CH1012968A4 (no) | 1967-07-12 | 1968-07-05 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1012968A CH498441A (fr) | 1967-07-12 | 1968-07-05 | Procédé d'entretien électronique des vibrations d'un diapason et dispositif pour la mise en oeuvre de ce procédé |
Country Status (2)
| Country | Link |
|---|---|
| CH (2) | CH498441A (no) |
| FR (1) | FR1555560A (no) |
-
1967
- 1967-07-12 FR FR1555560D patent/FR1555560A/fr not_active Expired
-
1968
- 1968-07-05 CH CH1012968A patent/CH498441A/fr not_active IP Right Cessation
- 1968-07-05 CH CH1012968D patent/CH1012968A4/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH498441A (fr) | 1970-06-30 |
| FR1555560A (no) | 1969-01-31 |