CH644989GA3 - - Google Patents
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- Publication number
- CH644989GA3 CH644989GA3 CH182681A CH182681A CH644989GA3 CH 644989G A3 CH644989G A3 CH 644989GA3 CH 182681 A CH182681 A CH 182681A CH 182681 A CH182681 A CH 182681A CH 644989G A3 CH644989G A3 CH 644989GA3
- Authority
- CH
- Switzerland
- Prior art keywords
- circuit
- method comprises
- drive pulse
- measuring
- voltage
- Prior art date
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
- G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
- G04C3/143—Means to reduce power consumption by reducing pulse width or amplitude and related problems, e.g. detection of unwanted or missing step
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Stepping Motors (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Electromechanical Clocks (AREA)
- Measurement Of Current Or Voltage (AREA)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH182681A CH644989GA3 (ja) | 1981-03-18 | 1981-03-18 | |
DE8484101561T DE3278583D1 (en) | 1981-03-18 | 1982-01-21 | Method of measuring the voltage induced in the coil of a stepping motor by the rotation of its rotor |
EP84101561A EP0137093B1 (fr) | 1981-03-18 | 1982-01-21 | Procédé de mesure de la tension induite dans la bobine d'un moteur pas-à-pas par la rotation de son rotor |
EP82810024A EP0060806B1 (fr) | 1981-03-18 | 1982-01-21 | Procédé pour réduire la consommation d'un moteur pas-à-pas et dispositif pour la mise en oeuvre de ce procédé |
DE8282810024T DE3276268D1 (en) | 1981-03-18 | 1982-01-21 | Method of reducing the power consumption of a stepping motor, and device for carrying out this method |
JP57014998A JPS57153599A (en) | 1981-03-18 | 1982-02-03 | Method and device for reducing power consumption of step motor |
US06/345,952 US4446413A (en) | 1981-03-18 | 1982-02-04 | Method for reducing the consumption of a stepping motor and device for carrying out the method |
US06/580,305 US4568867A (en) | 1981-03-18 | 1984-02-15 | Method for reducing the consumption of a stepping motor and device for carrying out the method |
JP59032728A JPS6096198A (ja) | 1981-03-18 | 1984-02-24 | 電圧測定方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH182681A CH644989GA3 (ja) | 1981-03-18 | 1981-03-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH644989GA3 true CH644989GA3 (ja) | 1984-09-14 |
Family
ID=4219497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH182681A CH644989GA3 (ja) | 1981-03-18 | 1981-03-18 |
Country Status (5)
Country | Link |
---|---|
US (2) | US4446413A (ja) |
EP (2) | EP0137093B1 (ja) |
JP (2) | JPS57153599A (ja) |
CH (1) | CH644989GA3 (ja) |
DE (1) | DE3276268D1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH646575GA3 (ja) * | 1981-10-02 | 1984-12-14 | ||
US4556836A (en) * | 1983-05-24 | 1985-12-03 | Societe Industrielle De Sonceboz S.A. | Multiphase motor damping method and circuit arrangement |
CH653850GA3 (ja) * | 1983-08-12 | 1986-01-31 | ||
CH653206GA3 (ja) * | 1983-09-16 | 1985-12-31 | ||
CH663701A5 (de) * | 1984-04-10 | 1987-12-31 | Sodeco Compteurs De Geneve | Verfahren und einrichtung zur steuerung eines von einer gleichspannung gespeisten schrittmotors. |
JPS6225894A (ja) * | 1985-07-25 | 1987-02-03 | Silver Seiko Ltd | ステツピングモ−タの駆動装置 |
JPS6292799A (ja) * | 1985-10-17 | 1987-04-28 | Silver Seiko Ltd | ステツピングモ−タの駆動装置 |
DE3772477D1 (de) * | 1986-07-02 | 1991-10-02 | Asulab Sa | Verfahren und vorrichtung zur kontrolle eines schrittmotors. |
US4791343A (en) * | 1987-08-31 | 1988-12-13 | Allied-Signal Inc. | Stepper motor shaft position sensor |
FR2668866B1 (fr) * | 1990-11-07 | 1992-12-31 | Ebauchesfabrik Eta Ag | Procede de commande d'un moteur pas a pas et dispositif pour la mise en óoeuvre de ce procede. |
DE4339553C1 (de) * | 1993-11-19 | 1995-06-22 | Sgs Thomson Microelectronics | Treiberschaltung für einen Schrittmotor |
EP3663870B1 (en) | 2018-12-06 | 2021-08-11 | The Swatch Group Research and Development Ltd | Dc electric motor with asymmetrical stator inductors |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH1372372A4 (ja) * | 1972-09-20 | 1976-09-15 | ||
JPS6024680B2 (ja) * | 1973-03-07 | 1985-06-14 | セイコーインスツルメンツ株式会社 | 時計用ステツプモ−タの駆動回路 |
JPS5292560A (en) * | 1976-01-29 | 1977-08-04 | Seiko Instr & Electronics Ltd | Switch box drive pulse width control circuit for electronic clocks |
US4158287A (en) * | 1976-08-12 | 1979-06-19 | Citizen Watch Company Limited | Driver circuit for electro-mechanical transducer |
JPS5370874A (en) * | 1976-12-07 | 1978-06-23 | Seiko Epson Corp | Electronic wristwatch |
JPS5372112A (en) * | 1976-12-08 | 1978-06-27 | Seiko Instr & Electronics Ltd | Drive circuit for step motor |
CH635973B (fr) * | 1977-01-19 | Suwa Seikosha Kk | Circuit de commande pour un transducteur electromecanique d'une montre, notamment d'une montre-bracelet electronique. | |
JPS5412777A (en) * | 1977-06-29 | 1979-01-30 | Citizen Watch Co Ltd | Pulse motor driving circuit for watches |
CH616819GA3 (en) * | 1977-08-05 | 1980-04-30 | Electronic watch including a corrector circuit | |
JPS5619473A (en) * | 1979-07-27 | 1981-02-24 | Citizen Watch Co Ltd | Electronic timepiece |
DE2944872C2 (de) * | 1979-11-07 | 1981-11-19 | Gebrüder Junghans GmbH, 7230 Schramberg | Anordnung zur Steuerung eines Schrittmotors für batteriebetriebene Geräte |
CH640999B (fr) * | 1980-08-25 | Ebauchesfabrik Eta Ag | Procede et dispositif de commande d'une moteur pas a pas de piece d'horlogerie electronique. |
-
1981
- 1981-03-18 CH CH182681A patent/CH644989GA3/fr unknown
-
1982
- 1982-01-21 EP EP84101561A patent/EP0137093B1/fr not_active Expired
- 1982-01-21 EP EP82810024A patent/EP0060806B1/fr not_active Expired
- 1982-01-21 DE DE8282810024T patent/DE3276268D1/de not_active Expired
- 1982-02-03 JP JP57014998A patent/JPS57153599A/ja active Granted
- 1982-02-04 US US06/345,952 patent/US4446413A/en not_active Expired - Lifetime
-
1984
- 1984-02-15 US US06/580,305 patent/US4568867A/en not_active Expired - Fee Related
- 1984-02-24 JP JP59032728A patent/JPS6096198A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS6363000B2 (ja) | 1988-12-06 |
JPS6096198A (ja) | 1985-05-29 |
US4568867A (en) | 1986-02-04 |
EP0060806A1 (fr) | 1982-09-22 |
EP0137093A3 (en) | 1985-05-29 |
JPS57153599A (en) | 1982-09-22 |
EP0060806B1 (fr) | 1987-05-06 |
EP0137093B1 (fr) | 1988-06-01 |
US4446413A (en) | 1984-05-01 |
EP0137093A2 (fr) | 1985-04-17 |
DE3276268D1 (en) | 1987-06-11 |
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