CH190368A4 - - Google Patents
Info
- Publication number
- CH190368A4 CH190368A4 CH190368DD CH190368A4 CH 190368 A4 CH190368 A4 CH 190368A4 CH 190368D D CH190368D D CH 190368DD CH 190368 A4 CH190368 A4 CH 190368A4
- 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
-
- 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)
- Electric Clocks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH190368A CH491426A (de) | 1968-02-06 | 1968-02-06 | Elektronisch-magnetische Antriebsvorrichtung für Uhren |
Publications (1)
Publication Number | Publication Date |
---|---|
CH190368A4 true CH190368A4 (xx) | 1970-02-13 |
Family
ID=4221280
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH190368A CH491426A (de) | 1968-02-06 | 1968-02-06 | Elektronisch-magnetische Antriebsvorrichtung für Uhren |
CH190368D CH190368A4 (xx) | 1968-02-06 | 1968-02-06 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH190368A CH491426A (de) | 1968-02-06 | 1968-02-06 | Elektronisch-magnetische Antriebsvorrichtung für Uhren |
Country Status (5)
Country | Link |
---|---|
US (1) | US3596461A (xx) |
CH (2) | CH491426A (xx) |
DE (1) | DE1904889A1 (xx) |
FR (1) | FR2001412A7 (xx) |
GB (1) | GB1262744A (xx) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2009612B2 (de) * | 1970-03-02 | 1972-06-29 | Forschungsgesellschaft für Uhren- und Feingeräte-Technik, 7000 Stuttgart | Schwingungssystem mit elektronischer steuerung fuer uhren |
FR2099714B1 (xx) * | 1970-07-31 | 1975-02-07 | Suwa Seikosha Kk | |
GB1347661A (en) * | 1971-02-10 | 1974-02-27 | Suwa Seikosha Kk | Timepiece |
GB1364014A (en) * | 1971-02-12 | 1974-08-21 | Suwa Seikosha Kk | Timepiece |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1241370B (de) * | 1964-10-10 | 1967-05-24 | Siemens Elektrogeraete Gmbh | Kontaktlos gesteuerte elektrische Uhr |
-
1968
- 1968-02-06 CH CH190368A patent/CH491426A/de not_active IP Right Cessation
- 1968-02-06 CH CH190368D patent/CH190368A4/xx unknown
- 1968-08-22 US US754596A patent/US3596461A/en not_active Expired - Lifetime
-
1969
- 1969-01-31 DE DE19691904889 patent/DE1904889A1/de active Pending
- 1969-02-03 GB GB5592/69A patent/GB1262744A/en not_active Expired
- 1969-02-06 FR FR6902658A patent/FR2001412A7/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1262744A (en) | 1972-02-02 |
DE1904889A1 (de) | 1969-09-11 |
US3596461A (en) | 1971-08-03 |
FR2001412A7 (xx) | 1969-09-26 |
CH491426A (de) | 1970-02-13 |