CH819166A4 - - Google Patents
Info
- Publication number
- CH819166A4 CH819166A4 CH819166A CH819166A CH819166A4 CH 819166 A4 CH819166 A4 CH 819166A4 CH 819166 A CH819166 A CH 819166A CH 819166 A CH819166 A CH 819166A CH 819166 A4 CH819166 A4 CH 819166A4
- Authority
- CH
- Switzerland
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
- G04F5/10—Apparatus for producing preselected time intervals for use as timing standards using electric or electronic resonators
-
- 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
- G04C3/069—Driving circuits using a single coil for detection and driving purposes
-
- 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)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR21309A FR1447424A (fr) | 1965-06-17 | 1965-06-17 | Dispositif d'auto-entretien électromagnétique sans contact d'un mouvement mécanique rectiligne alternatif, ou circulaire alternatif ou continu |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CH819166A4 true CH819166A4 (zh) | 1968-11-15 |
| CH469298A CH469298A (fr) | 1969-04-15 |
Family
ID=8582422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH819166A CH469298A (fr) | 1965-06-17 | 1966-06-07 | Dispositif d'auto-entretien électromagnétique sans contact d'un oscillateur mécanique de pièce d'horlogerie |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH469298A (zh) |
| FR (1) | FR1447424A (zh) |
-
1965
- 1965-06-17 FR FR21309A patent/FR1447424A/fr not_active Expired
-
1966
- 1966-06-07 CH CH819166A patent/CH469298A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1447424A (fr) | 1966-07-29 |
| CH469298A (fr) | 1969-04-15 |