CH481860A4 - - Google Patents
Info
- Publication number
- CH481860A4 CH481860A4 CH481860D CH481860D CH481860A4 CH 481860 A4 CH481860 A4 CH 481860A4 CH 481860 D CH481860 D CH 481860D CH 481860 D CH481860 D CH 481860D CH 481860 A4 CH481860 A4 CH 481860A4
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH481860A CH382664A (fr) | 1960-04-28 | 1960-04-28 | Dispositif d'entretien électromagnétique du mouvement oscillant de l'organe régulateur d'une pièce d'horlogerie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH481860A4 true CH481860A4 (en:Method) | 1964-06-15 |
Family
ID=4283067
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH481860D CH481860A4 (en:Method) | 1960-04-28 | 1960-04-28 | |
| CH481860A CH382664A (fr) | 1960-04-28 | 1960-04-28 | Dispositif d'entretien électromagnétique du mouvement oscillant de l'organe régulateur d'une pièce d'horlogerie |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH481860A CH382664A (fr) | 1960-04-28 | 1960-04-28 | Dispositif d'entretien électromagnétique du mouvement oscillant de l'organe régulateur d'une pièce d'horlogerie |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE602734A (en:Method) |
| CH (2) | CH481860A4 (en:Method) |
| FR (1) | FR1286393A (en:Method) |
| GB (1) | GB921948A (en:Method) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1104071A (en) * | 1963-10-17 | 1968-02-21 | Smiths Industries Ltd | Improvements in or relating to horological instruments |
| US3407344A (en) * | 1964-09-26 | 1968-10-22 | Shigeru Kakubari | Electronic timekeeper |
| DE1274999B (de) * | 1964-10-15 | 1968-08-08 | Siemens Elektrogeraete Gmbh | Kontaktlos gesteuerte elektrische Uhr mit Selbstanlauf |
| DE1244069B (de) * | 1965-01-02 | 1967-07-06 | United States Time Corp | Antriebsschaltung fuer zeithaltende Geraete |
| GB1144903A (en) * | 1965-07-22 | 1969-03-12 | Smiths Industries Ltd | Improvements in or relating to horological instruments |
| US3509437A (en) * | 1966-09-08 | 1970-04-28 | Citizen Watch Co Ltd | Timepiece drive |
| US3539888A (en) * | 1968-07-24 | 1970-11-10 | Aeroprojects Inc | Automatic frequency control circuit for use with ultrasonic systems |
| DE2009612B2 (de) * | 1970-03-02 | 1972-06-29 | Forschungsgesellschaft für Uhren- und Feingeräte-Technik, 7000 Stuttgart | Schwingungssystem mit elektronischer steuerung fuer uhren |
| JPS4725077U (en:Method) * | 1971-04-12 | 1972-11-21 |
-
1960
- 1960-04-28 CH CH481860D patent/CH481860A4/xx unknown
- 1960-04-28 CH CH481860A patent/CH382664A/fr unknown
-
1961
- 1961-04-15 FR FR41464A patent/FR1286393A/fr not_active Expired
- 1961-04-18 BE BE602734A patent/BE602734A/fr unknown
- 1961-04-28 GB GB1547761A patent/GB921948A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH382664A (fr) | 1964-06-15 |
| GB921948A (en) | 1963-03-27 |
| DE1448348B2 (de) | 1970-08-13 |
| FR1286393A (fr) | 1962-03-02 |
| DE1448348A1 (de) | 1969-06-12 |
| BE602734A (fr) | 1961-08-16 |