CH673750GA3 - - Google Patents
Download PDFInfo
- Publication number
- CH673750GA3 CH673750GA3 CH355688A CH355688A CH673750GA3 CH 673750G A3 CH673750G A3 CH 673750GA3 CH 355688 A CH355688 A CH 355688A CH 355688 A CH355688 A CH 355688A CH 673750G A3 CH673750G A3 CH 673750GA3
- Authority
- CH
- Switzerland
- Prior art keywords
- instant
- coil
- voltage
- integrator
- rotor
- Prior art date
Links
- 230000004907 flux Effects 0.000 abstract 1
- 230000003068 static effect Effects 0.000 abstract 1
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Stepping Motors (AREA)
- Electromechanical Clocks (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH3556/88A CH673750B5 (en]) | 1988-09-23 | 1988-09-23 | |
EP89116922A EP0361209A1 (fr) | 1988-09-23 | 1989-09-13 | Procédé et dispositif de détection de l'instant de passage du rotor d'un moteur pas à pas par une position prédéterminée et procédé de commande de ce moteur |
JP1245349A JPH02124000A (ja) | 1988-09-23 | 1989-09-22 | ステップモータのロータが所定位置を通過する瞬時を検出する方法と装置およびこのモータを制御する方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH3556/88A CH673750B5 (en]) | 1988-09-23 | 1988-09-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
CH673750GA3 true CH673750GA3 (en]) | 1990-04-12 |
CH673750B5 CH673750B5 (en]) | 1990-10-15 |
Family
ID=4258536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH3556/88A CH673750B5 (en]) | 1988-09-23 | 1988-09-23 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0361209A1 (en]) |
JP (1) | JPH02124000A (en]) |
CH (1) | CH673750B5 (en]) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996018237A1 (fr) * | 1994-12-08 | 1996-06-13 | Citizen Watch Co., Ltd. | Dispositif de commande d'un moteur |
CA2596343C (en) | 2004-09-17 | 2015-04-14 | Airbus Deutschland Gmbh | Counter electro-motoric force based functional status detection of an electro-motor |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0024737A1 (fr) * | 1979-09-04 | 1981-03-11 | Societe Suisse Pour L'industrie Horlogere Management Services S.A. | Détecteur d'avance d'un moteur pas à pas |
GB2082806A (en) * | 1980-08-25 | 1982-03-10 | Ebauchesfabrik Eta Ag | A method of reducing the power consumption of the stepping motor of an electronic timepiece |
US4550279A (en) * | 1982-09-10 | 1985-10-29 | Fabriques D'horlogerie De Fontainemelon S.A. | Step-by-step motor unit |
-
1988
- 1988-09-23 CH CH3556/88A patent/CH673750B5/fr not_active IP Right Cessation
-
1989
- 1989-09-13 EP EP89116922A patent/EP0361209A1/fr not_active Withdrawn
- 1989-09-22 JP JP1245349A patent/JPH02124000A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0024737A1 (fr) * | 1979-09-04 | 1981-03-11 | Societe Suisse Pour L'industrie Horlogere Management Services S.A. | Détecteur d'avance d'un moteur pas à pas |
GB2082806A (en) * | 1980-08-25 | 1982-03-10 | Ebauchesfabrik Eta Ag | A method of reducing the power consumption of the stepping motor of an electronic timepiece |
US4550279A (en) * | 1982-09-10 | 1985-10-29 | Fabriques D'horlogerie De Fontainemelon S.A. | Step-by-step motor unit |
Also Published As
Publication number | Publication date |
---|---|
EP0361209A1 (fr) | 1990-04-04 |
JPH02124000A (ja) | 1990-05-11 |
CH673750B5 (en]) | 1990-10-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PLX | Patent declared invalid from date of grant onwards |