JPS5319220B2 - - Google Patents
Info
- Publication number
- JPS5319220B2 JPS5319220B2 JP3496873A JP3496873A JPS5319220B2 JP S5319220 B2 JPS5319220 B2 JP S5319220B2 JP 3496873 A JP3496873 A JP 3496873A JP 3496873 A JP3496873 A JP 3496873A JP S5319220 B2 JPS5319220 B2 JP S5319220B2
- Authority
- JP
- Japan
- 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
- G04C3/065—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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH456972A CH574637B5 (en]) | 1972-03-28 | 1972-03-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS499278A JPS499278A (en]) | 1974-01-26 |
| JPS5319220B2 true JPS5319220B2 (en]) | 1978-06-20 |
Family
ID=4278532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3496873A Expired JPS5319220B2 (en]) | 1972-03-28 | 1973-03-27 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3844106A (en]) |
| JP (1) | JPS5319220B2 (en]) |
| CH (2) | CH456972A4 (en]) |
| DE (1) | DE2312140A1 (en]) |
| FR (1) | FR2177813B1 (en]) |
| GB (1) | GB1418749A (en]) |
| IT (1) | IT981520B (en]) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4106280A (en) * | 1975-03-27 | 1978-08-15 | Hansrichard Schulz | Method and apparatus for synchronizing a mechanical oscillating system to the accuracy of a quartz standard |
| JPS57188172U (en]) * | 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 |
|---|---|
| JPS499278A (en]) | 1974-01-26 |
| CH574637B5 (en]) | 1976-04-15 |
| IT981520B (it) | 1974-10-10 |
| GB1418749A (en) | 1975-12-24 |
| DE2312140A1 (de) | 1973-10-11 |
| CH456972A4 (en]) | 1975-11-14 |
| FR2177813A1 (en]) | 1973-11-09 |
| US3844106A (en) | 1974-10-29 |
| FR2177813B1 (en]) | 1975-10-31 |