FR2209251A1 - - Google Patents
Info
- Publication number
- FR2209251A1 FR2209251A1 FR7343208A FR7343208A FR2209251A1 FR 2209251 A1 FR2209251 A1 FR 2209251A1 FR 7343208 A FR7343208 A FR 7343208A FR 7343208 A FR7343208 A FR 7343208A FR 2209251 A1 FR2209251 A1 FR 2209251A1
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P8/00—Arrangements for controlling dynamo-electric motors rotating step by step
- H02P8/02—Arrangements for controlling dynamo-electric motors rotating step by step specially adapted for single-phase or bi-pole stepper motors, e.g. watch-motors, clock-motors
-
- 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
- G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G5/00—Setting, i.e. correcting or changing, the time-indication
- G04G5/02—Setting, i.e. correcting or changing, the time-indication by temporarily changing the number of pulses per unit time, e.g. quick-feed method
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Stepping Motors (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12140272A JPS5322648B2 (US20110158925A1-20110630-C00042.png) | 1972-12-04 | 1972-12-04 | |
JP12855173A JPS5077812A (US20110158925A1-20110630-C00042.png) | 1973-11-15 | 1973-11-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2209251A1 true FR2209251A1 (US20110158925A1-20110630-C00042.png) | 1974-06-28 |
FR2209251B1 FR2209251B1 (US20110158925A1-20110630-C00042.png) | 1982-09-17 |
Family
ID=26458775
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7343208A Expired FR2209251B1 (US20110158925A1-20110630-C00042.png) | 1972-12-04 | 1973-12-04 |
Country Status (4)
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2359445A1 (fr) * | 1976-07-21 | 1978-02-17 | Seiko Instr & Electronics | Dispositif d'inversion du sens de rotation des aiguilles d'une montre electronique |
EP0021494A1 (fr) * | 1979-06-28 | 1981-01-07 | Eta A.G. Ebauches-Fabrik | Montre électronique à affichage à aiguilles et à détecteur de rotation |
FR2461392A1 (fr) * | 1979-07-06 | 1981-01-30 | Ebauches Sa | Moteur electromagnetique a deux sens de rotation |
FR2466131A1 (fr) * | 1979-09-25 | 1981-03-27 | Suisse Horlogerie | Moteur pas a pas monophase bipolaire a deux sens de rotation |
EP0217164A1 (fr) * | 1985-09-11 | 1987-04-08 | Eta SA Fabriques d'Ebauches | Pièce d'horlogerie électronique à affichage analogique comportant un organe indicateur de secondes |
US4684262A (en) * | 1985-02-28 | 1987-08-04 | Eta S.A. Fabriques D'ebauches | Electronic timepiece with analog display comprising a seconds indicator member |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5240719A (en) * | 1975-09-26 | 1977-03-29 | Hitachi Ltd | Motor driving system |
DE2658546C2 (de) * | 1975-12-25 | 1983-07-28 | Citizen Watch Co., Ltd., Tokyo | Elektronische Uhr |
GB2054978B (en) * | 1979-07-06 | 1984-06-13 | Ebauches Sa | Electromagnetic motor rotatable in either direction |
CH647920GA3 (US20110158925A1-20110630-C00042.png) * | 1982-04-21 | 1985-02-28 | ||
CH648723GA3 (US20110158925A1-20110630-C00042.png) * | 1982-09-10 | 1985-04-15 | ||
CH654974GA3 (US20110158925A1-20110630-C00042.png) * | 1984-05-04 | 1986-03-27 | ||
DE4417297C2 (de) * | 1994-05-18 | 1997-08-07 | Haller Eckhart W Dipl Ing Fh | Elektromagnetischer, zweiphasiger Schrittmotor mit zwei Drehrichtungen |
DE19500357A1 (de) | 1995-01-09 | 1996-07-18 | Haller Eckhart W Dipl Ing Fh | Elektromagnetischer Schrittmotor mit zwei Drehrichtungen |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3112433A (en) * | 1962-01-31 | 1963-11-26 | Space Technology Lab Inc | Multiphase electrical system |
US3441821A (en) * | 1966-01-18 | 1969-04-29 | Yokogawa Electric Works Ltd | Driving device for step motors |
US3458786A (en) * | 1966-07-11 | 1969-07-29 | Ibm | Movable element positioning system with coarse and fine incremental control |
US3541417A (en) * | 1968-12-26 | 1970-11-17 | Warner Swasey Co | Pulsing system including binary coded decimal rate multiplier |
-
1973
- 1973-11-30 US US05/420,698 patent/US3958167A/en not_active Expired - Lifetime
- 1973-12-04 CH CH1697473A patent/CH613085B/xx not_active IP Right Cessation
- 1973-12-04 DE DE2360370A patent/DE2360370C3/de not_active Expired
- 1973-12-04 FR FR7343208A patent/FR2209251B1/fr not_active Expired
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2359445A1 (fr) * | 1976-07-21 | 1978-02-17 | Seiko Instr & Electronics | Dispositif d'inversion du sens de rotation des aiguilles d'une montre electronique |
EP0021494A1 (fr) * | 1979-06-28 | 1981-01-07 | Eta A.G. Ebauches-Fabrik | Montre électronique à affichage à aiguilles et à détecteur de rotation |
FR2461392A1 (fr) * | 1979-07-06 | 1981-01-30 | Ebauches Sa | Moteur electromagnetique a deux sens de rotation |
FR2466131A1 (fr) * | 1979-09-25 | 1981-03-27 | Suisse Horlogerie | Moteur pas a pas monophase bipolaire a deux sens de rotation |
EP0026002A1 (fr) * | 1979-09-25 | 1981-04-01 | Societe Suisse Pour L'industrie Horlogere Management Services S.A. | Moteur pas à pas monophasé bipolaire à deux sens de rotation |
US4684262A (en) * | 1985-02-28 | 1987-08-04 | Eta S.A. Fabriques D'ebauches | Electronic timepiece with analog display comprising a seconds indicator member |
EP0217164A1 (fr) * | 1985-09-11 | 1987-04-08 | Eta SA Fabriques d'Ebauches | Pièce d'horlogerie électronique à affichage analogique comportant un organe indicateur de secondes |
CH661835GA3 (US20110158925A1-20110630-C00042.png) * | 1985-09-11 | 1987-08-31 |
Also Published As
Publication number | Publication date |
---|---|
DE2360370B2 (de) | 1978-11-23 |
DE2360370A1 (de) | 1974-08-29 |
CH613085GA3 (US20110158925A1-20110630-C00042.png) | 1979-09-14 |
FR2209251B1 (US20110158925A1-20110630-C00042.png) | 1982-09-17 |
CH613085B (de) | |
US3958167A (en) | 1976-05-18 |
DE2360370C3 (de) | 1979-08-09 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |