FR2154666B1 - - Google Patents
Info
- Publication number
- FR2154666B1 FR2154666B1 FR7234275A FR7234275A FR2154666B1 FR 2154666 B1 FR2154666 B1 FR 2154666B1 FR 7234275 A FR7234275 A FR 7234275A FR 7234275 A FR7234275 A FR 7234275A FR 2154666 B1 FR2154666 B1 FR 2154666B1
- Authority
- FR
- France
- 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
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/04—Oscillators acting by spring tension
- G04B17/06—Oscillators with hairsprings, e.g. 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
- G04C3/06—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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
- Springs (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Particle Accelerators (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1397671 | 1971-09-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2154666A1 FR2154666A1 (OSRAM) | 1973-05-11 |
| FR2154666B1 true FR2154666B1 (OSRAM) | 1975-01-03 |
Family
ID=4396898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7234275A Expired FR2154666B1 (OSRAM) | 1971-09-27 | 1972-09-22 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3735586A (OSRAM) |
| JP (1) | JPS4843369A (OSRAM) |
| DE (1) | DE2245548C3 (OSRAM) |
| FR (1) | FR2154666B1 (OSRAM) |
| GB (1) | GB1370172A (OSRAM) |
| IT (1) | IT985551B (OSRAM) |
| SU (1) | SU467529A3 (OSRAM) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH594928B (fr) * | 1974-06-25 | 1978-01-31 | Ebauchesfabrik Eta Ag | Ensemble forme d'un ressort spiral d'horlogerie et d'une virole. |
| DE19811025B4 (de) * | 1998-03-13 | 2004-04-15 | Hahn-Schickard-Gesellschaft für angewandte Forschung e.V. | Mechanischer Oszillator und Verfahren zum Erzeugen einer mechanischen Schwingung |
| EP1693722A3 (en) * | 1999-04-28 | 2007-10-31 | Seiko Instruments Inc. | Mechanical timepiece having a balance-with-hairspring rotation angle control mechanism |
| EP1109081A4 (en) * | 1999-06-29 | 2002-01-02 | Seiko Instr Inc | MECHANICAL TIMER WITH ROTATIONAL CONTROL MECHANISM WITH SYNCHRONIZED RING REST |
| EP1126333A4 (en) * | 1999-07-29 | 2001-12-19 | Seiko Instr Inc | MECHANICAL TIMER WITH ROTATIONAL CONTROL MECHANISM WITH SYNCHRONIZED RING REST |
| DE60206939T2 (de) * | 2002-11-25 | 2006-07-27 | Csem Centre Suisse D'electronique Et De Microtechnique S.A. | Spiraluhrwerkfeder und Verfahren zu deren Herstellung |
| HK1146455A2 (en) * | 2010-03-12 | 2011-06-03 | Microtechne Research & Development Center Ltd | An oscillator system |
| EP2434353B1 (fr) * | 2010-09-28 | 2018-01-10 | Montres Breguet SA | Spiral anti-galop pour échappement d'horlogerie |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE254842C (OSRAM) * | 1911-11-05 | 1912-12-14 | ||
| DE257430C (OSRAM) * | 1911-11-05 | 1913-03-07 | ||
| CH1787468A4 (OSRAM) * | 1968-11-29 | 1970-06-15 | ||
| CH1784369A4 (OSRAM) * | 1969-12-01 | 1972-02-29 |
-
1972
- 1972-09-15 IT IT29216/72A patent/IT985551B/it active
- 1972-09-16 DE DE2245548A patent/DE2245548C3/de not_active Expired
- 1972-09-22 FR FR7234275A patent/FR2154666B1/fr not_active Expired
- 1972-09-25 US US00292170A patent/US3735586A/en not_active Expired - Lifetime
- 1972-09-26 GB GB4431772A patent/GB1370172A/en not_active Expired
- 1972-09-26 SU SU721832494A patent/SU467529A3/ru active
- 1972-09-27 JP JP47096968A patent/JPS4843369A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2154666A1 (OSRAM) | 1973-05-11 |
| DE2245548A1 (de) | 1973-05-03 |
| GB1370172A (en) | 1974-10-16 |
| DE2245548C3 (de) | 1975-06-26 |
| IT985551B (it) | 1974-12-10 |
| DE2245548B2 (de) | 1974-11-07 |
| JPS4843369A (OSRAM) | 1973-06-22 |
| US3735586A (en) | 1973-05-29 |
| SU467529A3 (ru) | 1975-04-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |