FR1447424A - Non-contact electromagnetic self-maintenance device with a mechanical rectilinear reciprocating, or circular reciprocating or continuous movement - Google Patents
Non-contact electromagnetic self-maintenance device with a mechanical rectilinear reciprocating, or circular reciprocating or continuous movementInfo
- Publication number
- FR1447424A FR1447424A FR21309A FR21309A FR1447424A FR 1447424 A FR1447424 A FR 1447424A FR 21309 A FR21309 A FR 21309A FR 21309 A FR21309 A FR 21309A FR 1447424 A FR1447424 A FR 1447424A
- Authority
- FR
- France
- Prior art keywords
- reciprocating
- maintenance device
- continuous movement
- contact electromagnetic
- circular
- Prior art date
- 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.)
- Expired
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)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR21309A FR1447424A (en) | 1965-06-17 | 1965-06-17 | Non-contact electromagnetic self-maintenance device with a mechanical rectilinear reciprocating, or circular reciprocating or continuous movement |
| CH819166A CH469298A (en) | 1965-06-17 | 1966-06-07 | Non-contact electromagnetic self-maintenance device of a mechanical oscillator of a timepiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR21309A FR1447424A (en) | 1965-06-17 | 1965-06-17 | Non-contact electromagnetic self-maintenance device with a mechanical rectilinear reciprocating, or circular reciprocating or continuous movement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1447424A true FR1447424A (en) | 1966-07-29 |
Family
ID=8582422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR21309A Expired FR1447424A (en) | 1965-06-17 | 1965-06-17 | Non-contact electromagnetic self-maintenance device with a mechanical rectilinear reciprocating, or circular reciprocating or continuous movement |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH469298A (en) |
| FR (1) | FR1447424A (en) |
-
1965
- 1965-06-17 FR FR21309A patent/FR1447424A/en not_active Expired
-
1966
- 1966-06-07 CH CH819166A patent/CH469298A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH819166A4 (en) | 1968-11-15 |
| CH469298A (en) | 1969-04-15 |
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