CH574637B5 - - Google Patents
Info
- Publication number
- CH574637B5 CH574637B5 CH456972A CH456972A CH574637B5 CH 574637 B5 CH574637 B5 CH 574637B5 CH 456972 A CH456972 A CH 456972A CH 456972 A CH456972 A CH 456972A CH 574637 B5 CH574637 B5 CH 574637B5
- 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
- G04C3/069—Driving circuits using a single coil for detection and driving purposes
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH456972D CH456972A4 (hu) | 1972-03-28 | 1972-03-28 | |
| CH456972A CH574637B5 (hu) | 1972-03-28 | 1972-03-28 | |
| DE2312140A DE2312140A1 (de) | 1972-03-28 | 1973-03-12 | Vorrichtung zur aufrechterhaltung der unruhschwingungen in einer uhr |
| GB1205873A GB1418749A (en) | 1972-03-28 | 1973-03-13 | Electronic drive circuit for maintenance of the oscillations of a balance wheel |
| FR7309279A FR2177813B1 (hu) | 1972-03-28 | 1973-03-13 | |
| IT21923/73A IT981520B (it) | 1972-03-28 | 1973-03-21 | Dispositivo per il mantenimento delle oscillazioni del bilancere in un orologio |
| JP3496873A JPS5319220B2 (hu) | 1972-03-28 | 1973-03-27 | |
| US00345687A US3844106A (en) | 1972-03-28 | 1973-03-28 | Electronic device for maintenance of the oscillations of a balance wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH456972A CH574637B5 (hu) | 1972-03-28 | 1972-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH574637B5 true CH574637B5 (hu) | 1976-04-15 |
Family
ID=4278532
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH456972D CH456972A4 (hu) | 1972-03-28 | 1972-03-28 | |
| CH456972A CH574637B5 (hu) | 1972-03-28 | 1972-03-28 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH456972D CH456972A4 (hu) | 1972-03-28 | 1972-03-28 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3844106A (hu) |
| JP (1) | JPS5319220B2 (hu) |
| CH (2) | CH456972A4 (hu) |
| DE (1) | DE2312140A1 (hu) |
| FR (1) | FR2177813B1 (hu) |
| GB (1) | GB1418749A (hu) |
| IT (1) | IT981520B (hu) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1056166A (en) * | 1975-03-27 | 1979-06-12 | Jauch, Heinz | Method and aparatus for synchronising a mechanical oscillating system to the accuracy of a quartz standard |
| JPS57188172U (hu) * | 1981-05-25 | 1982-11-29 | ||
| JPS63217288A (ja) * | 1987-03-06 | 1988-09-09 | Seikosha Co Ltd | 電磁駆動回路 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1673776A1 (de) * | 1967-04-19 | 1971-02-25 | Siemens Ag | Schaltungsanordnung zur kontaktlosen Steuerung eines mechanischen Schwingers |
| DE2036330C3 (de) * | 1970-07-22 | 1974-05-02 | Deutsche Itt Industries Gmbh, 7800 Freiburg | Verfahren und Schaltungsanordnung zur automatischen Amplitudenregelung von elektromechanischen Schwingern |
| DE2102025B1 (de) * | 1971-01-16 | 1972-07-13 | Deutsche Itt Industries Gmbh | Astabiler Miltivibrator mit zwei zueinander komplementären Transistoren |
-
1972
- 1972-03-28 CH CH456972D patent/CH456972A4/xx not_active IP Right Cessation
- 1972-03-28 CH CH456972A patent/CH574637B5/xx not_active IP Right Cessation
-
1973
- 1973-03-12 DE DE2312140A patent/DE2312140A1/de active Pending
- 1973-03-13 FR FR7309279A patent/FR2177813B1/fr not_active Expired
- 1973-03-13 GB GB1205873A patent/GB1418749A/en not_active Expired
- 1973-03-21 IT IT21923/73A patent/IT981520B/it active
- 1973-03-27 JP JP3496873A patent/JPS5319220B2/ja not_active Expired
- 1973-03-28 US US00345687A patent/US3844106A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2312140A1 (de) | 1973-10-11 |
| JPS499278A (hu) | 1974-01-26 |
| CH456972A4 (hu) | 1975-11-14 |
| JPS5319220B2 (hu) | 1978-06-20 |
| US3844106A (en) | 1974-10-29 |
| IT981520B (it) | 1974-10-10 |
| GB1418749A (en) | 1975-12-24 |
| FR2177813B1 (hu) | 1975-10-31 |
| FR2177813A1 (hu) | 1973-11-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |