FR2138117B1 - - Google Patents
Info
- Publication number
- FR2138117B1 FR2138117B1 FR7217918A FR7217918A FR2138117B1 FR 2138117 B1 FR2138117 B1 FR 2138117B1 FR 7217918 A FR7217918 A FR 7217918A FR 7217918 A FR7217918 A FR 7217918A FR 2138117 B1 FR2138117 B1 FR 2138117B1
- Authority
- FR
- France
- Prior art keywords
- oscillator
- balance wheel
- pulses
- watch
- time base
- Prior art date
- 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
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14460171A | 1971-05-18 | 1971-05-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2138117A1 FR2138117A1 (fr) | 1972-12-29 |
FR2138117B1 true FR2138117B1 (fr) | 1974-12-27 |
Family
ID=22509309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7217918A Expired FR2138117B1 (fr) | 1971-05-18 | 1972-05-18 |
Country Status (11)
Country | Link |
---|---|
US (1) | US3756014A (fr) |
JP (1) | JPS5226472B1 (fr) |
AU (1) | AU456330B2 (fr) |
BE (1) | BE783649A (fr) |
CA (1) | CA970862A (fr) |
CH (1) | CH551038A (fr) |
DE (1) | DE2222936A1 (fr) |
FR (1) | FR2138117B1 (fr) |
GB (1) | GB1344769A (fr) |
IT (1) | IT957908B (fr) |
NL (1) | NL7206659A (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1450071A (en) * | 1972-10-02 | 1976-09-22 | Citizen Watch Co Lgd | Electronic timepiece |
FR2202318B1 (fr) * | 1972-10-11 | 1976-10-29 | Hatot Leon Ets | |
US3967442A (en) * | 1973-02-01 | 1976-07-06 | Berney Jean Claude | Electric watch having an electromechanical movement including a correction mechanism for small errors |
CA1056166A (fr) * | 1975-03-27 | 1979-06-12 | Jauch, Heinz | Methode et appareil pour la synchronisation d'un systeme mecanique oscillant avec un etalon precis a quartz |
JPS525566A (en) * | 1975-07-02 | 1977-01-17 | Citizen Watch Co Ltd | Electric clock |
US4068462A (en) * | 1976-05-17 | 1978-01-17 | Fairchild Camera And Instrument Corporation | Frequency adjustment circuit |
US4401977A (en) * | 1980-01-07 | 1983-08-30 | Mastiff Security Systems Limited | Radio transmitter for repeated bursts of oscillations |
FR2521741A1 (fr) * | 1982-02-17 | 1983-08-19 | Gorgy Timing | Horloge secondaire a aiguille seconde |
CH665082GA3 (fr) * | 1986-03-26 | 1988-04-29 | ||
US4799003A (en) * | 1987-05-28 | 1989-01-17 | Tu Xuan M | Mechanical-to-electrical energy converter |
EP3130966B1 (fr) * | 2015-08-11 | 2018-08-01 | ETA SA Manufacture Horlogère Suisse | Mouvement d'horlogerie mecanique muni d'un systeme de retroaction du mouvement |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS42801Y1 (fr) * | 1964-04-21 | 1967-01-18 | ||
CH490710A (fr) * | 1966-02-10 | 1969-08-15 | Suisse Horlogerie | Pièce d'horlogerie électronique |
US3451210A (en) * | 1966-07-01 | 1969-06-24 | Benrus Corp | System for maintaining oscillations in an electric timing mechanism having an oscillatory element |
GB1205753A (en) * | 1966-09-09 | 1970-09-16 | Smiths Industries Ltd | Horological instruments incorporating electrical oscillation generators |
US3564829A (en) * | 1967-10-19 | 1971-02-23 | Kiyohiro Tsuzuki | Apparatus and method for spinning yarn |
JPH069145Y2 (ja) * | 1988-07-19 | 1994-03-09 | 鐘淵化学工業株式会社 | 建築物の断熱壁構造 |
-
1971
- 1971-05-18 US US00144601A patent/US3756014A/en not_active Expired - Lifetime
-
1972
- 1972-05-03 CA CA141,212A patent/CA970862A/en not_active Expired
- 1972-05-10 GB GB2196272A patent/GB1344769A/en not_active Expired
- 1972-05-10 DE DE19722222936 patent/DE2222936A1/de active Pending
- 1972-05-12 AU AU42227/72A patent/AU456330B2/en not_active Expired
- 1972-05-16 CH CH723872A patent/CH551038A/xx unknown
- 1972-05-17 IT IT50298/72A patent/IT957908B/it active
- 1972-05-17 NL NL7206659A patent/NL7206659A/xx unknown
- 1972-05-17 JP JP47048279A patent/JPS5226472B1/ja active Pending
- 1972-05-18 BE BE783649A patent/BE783649A/fr unknown
- 1972-05-18 FR FR7217918A patent/FR2138117B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2222936A1 (de) | 1972-11-30 |
AU456330B2 (en) | 1974-12-12 |
JPS5226472B1 (fr) | 1977-07-14 |
GB1344769A (en) | 1974-01-23 |
FR2138117A1 (fr) | 1972-12-29 |
AU4222772A (en) | 1973-11-15 |
CH723872A4 (fr) | 1973-12-28 |
IT957908B (it) | 1973-10-20 |
CH551038A (fr) | 1974-06-28 |
NL7206659A (fr) | 1972-11-21 |
US3756014A (en) | 1973-09-04 |
CA970862A (en) | 1975-07-08 |
BE783649A (fr) | 1972-09-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2138117B1 (fr) | ||
GB1305753A (fr) | ||
GB1428121A (en) | Electronic time measurement | |
HK49182A (en) | Improvements in or relating to electronic timepieces | |
JPS5515053A (en) | Electronic watch | |
GB1240090A (en) | Electronic timing device | |
HK4778A (en) | Improvements in or relating to electronic timepieces employing piezo-electric crystal time-standard oscillators | |
US3807164A (en) | Synchronized quartz crystal watch | |
BE782168A (fr) | Dispositif a cristal piezoelectrique | |
FR2249377B1 (fr) | ||
FR2331204A1 (fr) | Dispositif de multiplication de frequence et ses applications au codage angulaire d'un organe rotatif et a l'allumage electronique d'un moteur | |
JPS5362908A (en) | Bit clock reproducer | |
JPS5560882A (en) | Apparatus for measuring characteristic scale in motion of clock movement | |
JPS6420751A (en) | Buffer oscillator | |
JPS5486723A (en) | Step motor for electronic watch | |
SU507935A1 (ru) | Устройство управлени коммутатором | |
JPS5291352A (en) | 2-phase clock circuit | |
JPS5517471A (en) | Fast feed correction unit for pointer type electronic watch | |
CH428581A (fr) | Montre comprenant un cliquet transmettant au rouage compteur le mouvement d'un oscillateur et un dispositif de mise à l'heure | |
JPS5285858A (en) | Watch with calculator | |
JPS5424055A (en) | Object detecting device | |
JPS5333041A (en) | Frequency step-multiplication circuit | |
JPS56126322A (en) | Timer circuit | |
ISKANDER et al. | The behavior of the pulse frequency during the acquisition of sensomotoric skills giving particular attention to the effect of pauses(Pulse frequency behavior during acquisition of perceptual and motor skills with particular attention to rest periods) | |
DE3668999D1 (de) | Zeitgeber. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |