FR1286407A - Maintenance device for electric watch balance - Google Patents
Maintenance device for electric watch balanceInfo
- Publication number
- FR1286407A FR1286407A FR858931A FR858931A FR1286407A FR 1286407 A FR1286407 A FR 1286407A FR 858931 A FR858931 A FR 858931A FR 858931 A FR858931 A FR 858931A FR 1286407 A FR1286407 A FR 1286407A
- Authority
- FR
- France
- Prior art keywords
- maintenance device
- electric watch
- watch balance
- balance
- 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
- 238000012423 maintenance Methods 0.000 title 1
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
- G04C3/063—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, the balance driving electro-magnet simultaneously driving the gear-train
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR858931A FR1286407A (en) | 1961-04-17 | 1961-04-17 | Maintenance device for electric watch balance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR858931A FR1286407A (en) | 1961-04-17 | 1961-04-17 | Maintenance device for electric watch balance |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1286407A true FR1286407A (en) | 1962-03-02 |
Family
ID=8753186
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR858931A Expired FR1286407A (en) | 1961-04-17 | 1961-04-17 | Maintenance device for electric watch balance |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1286407A (en) |
-
1961
- 1961-04-17 FR FR858931A patent/FR1286407A/en not_active Expired
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