FR555047A - Electric watch - Google Patents
Electric watchInfo
- Publication number
- FR555047A FR555047A FR555047DA FR555047A FR 555047 A FR555047 A FR 555047A FR 555047D A FR555047D A FR 555047DA FR 555047 A FR555047 A FR 555047A
- Authority
- FR
- France
- Prior art keywords
- electric watch
- watch
- electric
- 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
- 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
- G04C3/061—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 contacts and mechanically driving the gear-train
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR555047T | 1922-08-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR555047A true FR555047A (en) | 1923-06-21 |
Family
ID=8939205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR555047D Expired FR555047A (en) | 1922-08-11 | 1922-08-11 | Electric watch |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR555047A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1113668B (en) * | 1955-07-27 | 1961-09-07 | Hatot Leon Ets | Circuit arrangement for electrical maintenance of the vibrations of a vibrator |
-
1922
- 1922-08-11 FR FR555047D patent/FR555047A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1113668B (en) * | 1955-07-27 | 1961-09-07 | Hatot Leon Ets | Circuit arrangement for electrical maintenance of the vibrations of a vibrator |
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