GB1217875A - Electronic driving circuit particularly but not exclusively for time-pieces - Google Patents
Electronic driving circuit particularly but not exclusively for time-piecesInfo
- Publication number
- GB1217875A GB1217875A GB43163/68A GB4316368A GB1217875A GB 1217875 A GB1217875 A GB 1217875A GB 43163/68 A GB43163/68 A GB 43163/68A GB 4316368 A GB4316368 A GB 4316368A GB 1217875 A GB1217875 A GB 1217875A
- Authority
- GB
- United Kingdom
- Prior art keywords
- coil
- frequency
- magnet assembly
- mechanical oscillator
- resonant
- 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
- 230000005291 magnetic effect Effects 0.000 abstract 4
- 230000010355 oscillation Effects 0.000 abstract 3
- 230000003321 amplification Effects 0.000 abstract 2
- 239000003990 capacitor Substances 0.000 abstract 2
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 2
- 239000012790 adhesive layer Substances 0.000 abstract 1
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000005284 excitation Effects 0.000 abstract 1
- 239000003302 ferromagnetic material Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/20—Compensation of mechanisms for stabilising frequency
- G04B17/22—Compensation of mechanisms for stabilising frequency for the effect of variations of temperature
-
- 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
-
- 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
- G04C3/067—Driving circuits with distinct detecting and driving coils
-
- 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
- G04C3/067—Driving circuits with distinct detecting and driving coils
- G04C3/068—Driving circuits with distinct detecting and driving coils provided with automatic control
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Metallurgy (AREA)
- Electric Clocks (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH292068A CH482239A (de) | 1968-02-23 | 1968-02-23 | Elektronische Antriebsschaltung in einem Zeitmessgerät, insbesondere zum Antreiben des Räderwerkes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1217875A true GB1217875A (en) | 1970-12-31 |
Family
ID=4244582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB43163/68A Expired GB1217875A (en) | 1968-02-23 | 1968-09-11 | Electronic driving circuit particularly but not exclusively for time-pieces |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3518515A (enrdf_load_stackoverflow) |
| CH (2) | CH292068A4 (enrdf_load_stackoverflow) |
| FR (1) | FR1582329A (enrdf_load_stackoverflow) |
| GB (1) | GB1217875A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3806743A (en) * | 1970-02-09 | 1974-04-23 | Omega Brandt & Freres Sa Louis | Oscillating harological motor |
| US3803829A (en) * | 1970-03-31 | 1974-04-16 | Suwa Seikosha Kk | Coil structure for electric watches |
| DE2110674B2 (de) * | 1970-03-31 | 1976-08-26 | KX. Suwa Seikosha, Tokio | Elektrische uhr mit einer elektromagnetisch angetriebenen unruh |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3124731A (en) * | 1964-03-10 | Electronic time pieces | ||
| US2909732A (en) * | 1954-11-06 | 1959-10-20 | Philips Corp | Device for maintaining mechanical oscillations |
| US3002138A (en) * | 1958-06-24 | 1961-09-26 | Gen Time Corp | Electrically powered oscillatory balance |
| US3002139A (en) * | 1958-07-02 | 1961-09-26 | Gen Time Corp | Electrically powered balance mechanism |
| US3010075A (en) * | 1958-09-10 | 1961-11-21 | Hamilton Watch Co | Electric watch |
-
1968
- 1968-02-23 CH CH292068D patent/CH292068A4/xx unknown
- 1968-02-23 CH CH292068A patent/CH482239A/de not_active IP Right Cessation
- 1968-09-10 US US758818A patent/US3518515A/en not_active Expired - Lifetime
- 1968-09-11 GB GB43163/68A patent/GB1217875A/en not_active Expired
- 1968-09-19 FR FR1582329D patent/FR1582329A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1582329A (enrdf_load_stackoverflow) | 1969-09-26 |
| CH292068A4 (enrdf_load_stackoverflow) | 1969-07-15 |
| US3518515A (en) | 1970-06-30 |
| CH482239A (de) | 1969-07-15 |
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