GB1076606A - Improvements in electromagnetic self-sustaining time-keeping balances - Google Patents
Improvements in electromagnetic self-sustaining time-keeping balancesInfo
- Publication number
- GB1076606A GB1076606A GB2725164A GB2725164A GB1076606A GB 1076606 A GB1076606 A GB 1076606A GB 2725164 A GB2725164 A GB 2725164A GB 2725164 A GB2725164 A GB 2725164A GB 1076606 A GB1076606 A GB 1076606A
- Authority
- GB
- United Kingdom
- Prior art keywords
- balance
- disc
- opposite
- july
- oscillation
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Developing Agents For Electrophotography (AREA)
Abstract
1,076,606. Clocks and watches. G. P. DEGON. July 1, 1964 [July 1, 1963; Oct. 24, 1963; June 30, 1964], No. 27251/64. Heading G3T. [Also in Division H2] The electromagnetically driven self-sustaining timekeeping balance device is particularly suitable for driving recording apparatus of the kind using a paper strip and where relatively more power is required than in ordinary timepieces. The device comprises a disc 1 of insulating material on the balance staff 2 carrying two circular coils 3, 4 diametrically opposite. On opposite sides of this disc are two annular magnetic members 11, 12 each having four poles diametrically opposed in pairs each pole of one member being opposite an opposite pole of the other member. The disc is restrained toward a zero position by a spring and is supplied with current over a fraction of the angle of oscillation through moving and fixed contacts 7, 8. The arrangement is such that as the repulsion owing to one set of magnet poles decreases so the attraction owing to the other set increases. In a modification the balance carries an additional flywheel mass (34) Fig. 12 (not shown) which is magnetically screened at (35). A drive may be taken off the balance by ratchet means in one or both directions of oscillation. The magnets may be movable and the coils fixed.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR76007059 | 1960-12-17 | ||
| FR7012A FR1369450A (en) | 1963-07-01 | 1963-07-01 | Improvements to self-sustaining electromagnetic balances |
| FR7022A FR84667E (en) | 1963-07-01 | 1963-10-24 | Improvements to self-sustaining electromagnetic balances |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1076606A true GB1076606A (en) | 1967-07-19 |
Family
ID=27241948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2725164A Expired GB1076606A (en) | 1960-12-17 | 1964-07-01 | Improvements in electromagnetic self-sustaining time-keeping balances |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1076606A (en) |
-
1964
- 1964-07-01 GB GB2725164A patent/GB1076606A/en not_active Expired
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