FR2262344A3 - - Google Patents
Info
- Publication number
- FR2262344A3 FR2262344A3 FR747406281A FR7406281A FR2262344A3 FR 2262344 A3 FR2262344 A3 FR 2262344A3 FR 747406281 A FR747406281 A FR 747406281A FR 7406281 A FR7406281 A FR 7406281A FR 2262344 A3 FR2262344 A3 FR 2262344A3
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C11/00—Synchronisation of independently-driven clocks
- G04C11/08—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction
- G04C11/081—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet
- G04C11/084—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet acting on the balance
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Electromechanical Clocks (AREA)
- Control Of Stepping Motors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732309291 DE2309291A1 (en) | 1973-02-24 | 1973-02-24 | PROCESS FOR SYNCHRONIZING MECHANICAL VIBRATORS OF USED WATCHES |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2262344A3 true FR2262344A3 (en) | 1975-09-19 |
| FR2262344B3 FR2262344B3 (en) | 1977-01-07 |
Family
ID=5872991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7406281A Expired FR2262344B3 (en) | 1973-02-24 | 1974-02-25 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3921386A (en) |
| JP (1) | JPS501776A (en) |
| DE (1) | DE2309291A1 (en) |
| FR (1) | FR2262344B3 (en) |
| GB (1) | GB1463990A (en) |
| IT (1) | IT1029540B (en) |
Families Citing this family (9)
| 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 |
| DE2749006C3 (en) * | 1977-11-02 | 1981-12-17 | Urgos Uhrenfabrik Schwenningen Haller, Jauch und Pabst GmbH& Co, 7220 Schwenningen | Electronic correction device for a pendulum clock |
| DE2847208C2 (en) * | 1978-10-30 | 1983-11-24 | Siegas Metallwarenfabrik Wilhelm Loh Gmbh & Co Kg, 5900 Siegen | Control circuit for a vibratory electromechanical system |
| US4340948A (en) * | 1980-04-24 | 1982-07-20 | General Time Corporation | Single-coil balance wheel for driving a mechanical movement |
| WO2001013182A1 (en) * | 1999-08-12 | 2001-02-22 | Seiko Instruments Inc. | Mechanical timepiece with posture detector |
| US6554468B1 (en) * | 1999-11-11 | 2003-04-29 | Seiko Instruments Inc. | Mechanical timepiece with timed annular balance rotating angle control mechanism |
| DE10349476A1 (en) * | 2003-10-21 | 2005-05-25 | Siemens Ag | Timely execution of a measurement or control action and synchronization of several such actions |
| ATE557328T1 (en) | 2004-10-26 | 2012-05-15 | Lvmh Swiss Mft Sa | CHRONOGRAPH MODULE FOR WRISTWATCH |
| CN102929121A (en) * | 2012-10-30 | 2013-02-13 | 林祥平 | Clock |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3451210A (en) * | 1966-07-01 | 1969-06-24 | Benrus Corp | System for maintaining oscillations in an electric timing mechanism having an oscillatory element |
| DE1591218A1 (en) * | 1967-03-09 | 1970-12-17 | Junghans Gmbh Geb | Crystal-controlled transistor oscillator |
| CH532280A (en) * | 1969-08-12 | 1972-09-15 | Longines Montres Comp D | Electronic watch |
| US3576455A (en) * | 1969-11-05 | 1971-04-27 | Gen Time Corp | Synchronous reluctance motor |
| CH613594B (en) * | 1971-05-04 | Ebauches Sa | METHOD OF SYNCHRONIZATION AT AN AVERAGE FREQUENCY F OF THE OSCILLATIONS OF A MECHANICAL RESONATOR OF A TIME-MEASURING INSTRUMENT AND DEVICE FOR IMPLEMENTING THIS PROCESS. | |
| CH949271A4 (en) * | 1971-06-29 | 1974-10-15 | ||
| CH612317GA3 (en) * | 1971-09-24 | 1979-07-31 | ||
| BE790818A (en) * | 1971-11-01 | 1973-02-15 | Timex Corp | AMPLITUDE CONTROL MEANS FOR BALANCER OSCILLATORS |
| BE793821A (en) * | 1972-01-10 | 1973-05-02 | Timex Corp | ELECTRONIC SWITCH FOR WATCHMAKING MOVEMENTS |
| DE2210542B2 (en) * | 1972-03-04 | 1974-05-02 | Deutsche Itt Industries Gmbh, 7800 Freiburg | Method and circuit arrangements for synchronizing the balance system of utility watches by means of a quartz oscillator |
-
1973
- 1973-02-24 DE DE19732309291 patent/DE2309291A1/en active Pending
-
1974
- 1974-01-31 US US438157*A patent/US3921386A/en not_active Expired - Lifetime
- 1974-02-21 GB GB795074A patent/GB1463990A/en not_active Expired
- 1974-02-25 FR FR7406281A patent/FR2262344B3/fr not_active Expired
- 1974-02-25 JP JP49022250A patent/JPS501776A/ja active Pending
- 1974-03-27 IT IT7449736A patent/IT1029540B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| GB1463990A (en) | 1977-02-09 |
| FR2262344B3 (en) | 1977-01-07 |
| JPS501776A (en) | 1975-01-09 |
| IT1029540B (en) | 1979-03-20 |
| DE2309291A1 (en) | 1974-08-29 |
| US3921386A (en) | 1975-11-25 |