CH639367A4 - - Google Patents
Info
- Publication number
- CH639367A4 CH639367A4 CH639367DD CH639367A4 CH 639367 A4 CH639367 A4 CH 639367A4 CH 639367D D CH639367D D CH 639367DD CH 639367 A4 CH639367 A4 CH 639367A4
- Authority
- CH
- Switzerland
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
- G04C3/067—Driving circuits with distinct detecting and driving coils
- G04C3/068—Driving circuits with distinct detecting and driving coils provided with automatic control
-
- 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
-
- 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
- G04C3/042—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 mechanical coupling
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Electromechanical Clocks (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Control Of Stepping Motors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2929666 | 1966-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH639367A4 true CH639367A4 (en) | 1970-04-30 |
Family
ID=12272265
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH639367D CH639367A4 (en) | 1966-05-10 | 1967-05-05 | |
| CH639367A CH495005A (en) | 1966-05-10 | 1967-05-05 | Electric timepiece comprising a balance-spring assembly controlled by a transducer |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH639367A CH495005A (en) | 1966-05-10 | 1967-05-05 | Electric timepiece comprising a balance-spring assembly controlled by a transducer |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3481138A (en) |
| CH (2) | CH639367A4 (en) |
| DE (1) | DE1673763B2 (en) |
| GB (1) | GB1180130A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH510285A (en) * | 1969-10-22 | 1971-03-31 | Far Fab Assortiments Reunies | Anchor escapement for timepiece |
| JPS4828711B1 (en) * | 1969-11-17 | 1973-09-04 | ||
| US3736740A (en) * | 1971-10-22 | 1973-06-05 | Novox Inc | Electromagnetic timing mechanism |
| JPS4938668A (en) * | 1972-08-10 | 1974-04-10 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2986683A (en) * | 1956-07-26 | 1961-05-30 | Hatot Leon Ets | Driving balance-wheels more particularly applicable to timing instruments |
-
1967
- 1967-05-05 CH CH639367D patent/CH639367A4/xx unknown
- 1967-05-05 CH CH639367A patent/CH495005A/en not_active IP Right Cessation
- 1967-05-05 GB GB21076/67A patent/GB1180130A/en not_active Expired
- 1967-05-08 US US636735A patent/US3481138A/en not_active Expired - Lifetime
- 1967-05-10 DE DE19671673763 patent/DE1673763B2/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB1180130A (en) | 1970-02-04 |
| US3481138A (en) | 1969-12-02 |
| CH495005A (en) | 1970-04-30 |
| DE1673763B2 (en) | 1972-02-17 |
| DE1673763A1 (en) | 1971-05-27 |