FR2099714B1 - - Google Patents
Info
- Publication number
- FR2099714B1 FR2099714B1 FR7127982A FR7127982A FR2099714B1 FR 2099714 B1 FR2099714 B1 FR 2099714B1 FR 7127982 A FR7127982 A FR 7127982A FR 7127982 A FR7127982 A FR 7127982A FR 2099714 B1 FR2099714 B1 FR 2099714B1
- 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.)
- Expired
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
- G04C3/069—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
-
- 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)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electric Clocks (AREA)
- Electromechanical Clocks (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6651370A JPS4943347B1 (en:Method) | 1970-07-31 | 1970-07-31 | |
| JP7773270 | 1970-09-07 | ||
| JP8497470 | 1970-09-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2099714A1 FR2099714A1 (en:Method) | 1972-03-17 |
| FR2099714B1 true FR2099714B1 (en:Method) | 1975-02-07 |
Family
ID=27299156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7127982A Expired FR2099714B1 (en:Method) | 1970-07-31 | 1971-07-30 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3744233A (en:Method) |
| FR (1) | FR2099714B1 (en:Method) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1523934A1 (de) * | 1965-06-08 | 1970-03-26 | Junghans Gmbh Geb | Auf elektromagnetischem Wege in Schwingung gehaltene Stimmgabel |
| CH190368A4 (en:Method) * | 1968-02-06 | 1970-02-13 |
-
1971
- 1971-07-30 FR FR7127982A patent/FR2099714B1/fr not_active Expired
- 1971-08-02 US US00168251A patent/US3744233A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2138568A1 (de) | 1972-02-03 |
| DE2138568B2 (de) | 1976-04-29 |
| FR2099714A1 (en:Method) | 1972-03-17 |
| US3744233A (en) | 1973-07-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |