CH640385GA3 - - Google Patents
Download PDFInfo
- Publication number
- CH640385GA3 CH640385GA3 CH673879A CH673879A CH640385GA3 CH 640385G A3 CH640385G A3 CH 640385GA3 CH 673879 A CH673879 A CH 673879A CH 673879 A CH673879 A CH 673879A CH 640385G A3 CH640385G A3 CH 640385GA3
- Authority
- CH
- Switzerland
- Prior art keywords
- motor
- response
- stator
- locating
- rotor
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Control Of Stepping Motors (AREA)
- Electric Clocks (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Adornments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8805478A JPS5515054A (en) | 1978-07-19 | 1978-07-19 | Electronic watch |
Publications (2)
Publication Number | Publication Date |
---|---|
CH640385B CH640385B (fr) | |
CH640385GA3 true CH640385GA3 (ru) | 1984-01-13 |
Family
ID=13932113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH673879A CH640385B (fr) | 1978-07-19 | 1979-07-19 | Piece d'horlogerie electronique, notamment montre-bracelet electronique. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4321520A (ru) |
JP (1) | JPS5515054A (ru) |
CH (1) | CH640385B (ru) |
DE (1) | DE2929323C2 (ru) |
FR (1) | FR2431722A1 (ru) |
GB (1) | GB2026216B (ru) |
HK (1) | HK18884A (ru) |
SG (1) | SG64683G (ru) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4321521A (en) * | 1978-12-25 | 1982-03-23 | Kabushiki Kaisha Daini Seikosha | Detection device of electronic timepiece |
JPS55147381A (en) * | 1979-05-04 | 1980-11-17 | Seiko Instr & Electronics Ltd | Detector for electronic watch |
CH641921B (fr) * | 1980-02-19 | Berney Sa Jean Claude | Piece d'horlogerie avec un dispositif de controle du moteur pas a pas. | |
JPS56158978A (en) * | 1980-05-13 | 1981-12-08 | Citizen Watch Co Ltd | Electronic watch |
GB2134290B (en) * | 1982-12-16 | 1986-02-26 | Suwa Seikosha Kk | An analog electronic timepiece |
JPH0681551B2 (ja) * | 1984-10-16 | 1994-10-12 | セイコ−電子工業株式会社 | ステップモ−タの回転検出方法 |
JPS62238484A (ja) * | 1986-04-10 | 1987-10-19 | Seiko Instr & Electronics Ltd | 電子時計 |
EP0377064B1 (en) * | 1989-01-05 | 1994-03-30 | International Business Machines Corporation | Method of operating a timer |
JP3541601B2 (ja) * | 1997-02-07 | 2004-07-14 | セイコーエプソン株式会社 | ステッピングモーターの制御装置、その制御方法および計時装置 |
JPH11127595A (ja) * | 1997-08-11 | 1999-05-11 | Seiko Epson Corp | 電子機器 |
EP0982846B1 (fr) * | 1998-08-25 | 2011-10-19 | ETA SA Manufacture Horlogère Suisse | Procédé et dispositif de commande d'un moteur pas à pas |
JP3440938B2 (ja) * | 1998-12-14 | 2003-08-25 | セイコーエプソン株式会社 | 電子機器および電子機器の制御方法 |
CH694621A5 (fr) * | 2001-07-02 | 2005-04-29 | Richemont Int Sa | Procédé de régulation et module électronique de régulation pour mouvement d'horlogerie à remontage mécanique. |
JP2006226927A (ja) * | 2005-02-21 | 2006-08-31 | Seiko Instruments Inc | ステップモータ駆動装置及びアナログ電子時計 |
JP4730127B2 (ja) * | 2006-02-22 | 2011-07-20 | 日産自動車株式会社 | 車両用ブレーキ装置 |
JP2011027510A (ja) * | 2009-07-23 | 2011-02-10 | Seiko Instruments Inc | クロノグラフ時計 |
JP2015061467A (ja) * | 2013-09-20 | 2015-03-30 | カシオ計算機株式会社 | ステッピングモータ及び時計 |
DE102018107425B4 (de) * | 2018-03-28 | 2022-12-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zum Stimulieren einer Gewebestruktur mittels einer elektrischen Feldstärke, System zum Stimulieren einer Gewebestruktur und Magnetstruktur zum Implantieren an eine Gewebestruktur |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3756010A (en) * | 1970-08-11 | 1973-09-04 | Matsushita Electric Works Ltd | Magnetic-induction clock |
JPS5321966A (en) * | 1976-08-12 | 1978-02-28 | Citizen Watch Co Ltd | Electric-mechanical converter driving circuit for timepiece |
US4158287A (en) * | 1976-08-12 | 1979-06-19 | Citizen Watch Company Limited | Driver circuit for electro-mechanical transducer |
JPS5345575A (en) * | 1976-10-06 | 1978-04-24 | Seiko Epson Corp | Electronic wristwatch |
JPS6032145B2 (ja) * | 1976-12-07 | 1985-07-26 | セイコーインスツルメンツ株式会社 | ステツプモ−タの耐磁機構 |
JPS5372112A (en) * | 1976-12-08 | 1978-06-27 | Seiko Instr & Electronics Ltd | Drive circuit for step motor |
JPS54155079A (en) * | 1978-05-26 | 1979-12-06 | Seiko Instr & Electronics Ltd | Magnetic field detector for electronic watch |
-
1978
- 1978-07-19 JP JP8805478A patent/JPS5515054A/ja active Granted
-
1979
- 1979-06-19 US US06/049,974 patent/US4321520A/en not_active Expired - Lifetime
- 1979-07-06 FR FR7917631A patent/FR2431722A1/fr active Granted
- 1979-07-18 GB GB7924963A patent/GB2026216B/en not_active Expired
- 1979-07-19 DE DE2929323A patent/DE2929323C2/de not_active Expired
- 1979-07-19 CH CH673879A patent/CH640385B/fr unknown
-
1983
- 1983-11-01 SG SG646/83A patent/SG64683G/en unknown
-
1984
- 1984-03-01 HK HK188/84A patent/HK18884A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB2026216A (en) | 1980-01-30 |
US4321520A (en) | 1982-03-23 |
FR2431722B1 (ru) | 1984-09-28 |
HK18884A (en) | 1984-03-09 |
SG64683G (en) | 1985-03-29 |
DE2929323C2 (de) | 1984-12-13 |
JPS5515054A (en) | 1980-02-01 |
CH640385B (fr) | |
DE2929323A1 (de) | 1980-02-07 |
JPS6156792B2 (ru) | 1986-12-04 |
GB2026216B (en) | 1983-02-16 |
FR2431722A1 (fr) | 1980-02-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2026216B (en) | Electronic timepiece | |
GB1533312A (en) | Stepping motors | |
GB1539989A (en) | Stepping motor | |
HK34582A (en) | Stepping motor for electronic timepiece | |
CH646031GA3 (ru) | ||
CH653521GA3 (ru) | ||
GB1456809A (en) | Electric motor | |
ATE87147T1 (de) | Elektromechanisches zeitmessgeraet mit schrittmotor. | |
ES8103853A1 (es) | Motor polifasico a paso para el accionamiento directo del eje segundero o minutero de un mecanismo de relojeria. | |
FR2427727B1 (ru) | ||
GB2050655B (en) | Electronic timepieces with stepping motor driven time displays | |
GB1534105A (en) | Electric motor | |
FR2388329A1 (fr) | Mouvement d'horlogerie electronique/r | |
JPS5674080A (en) | Linear pulse motor | |
SE8205623D0 (sv) | Reluktansmotor | |
GB1532342A (en) | Singlephase stepping motors | |
GB1009501A (en) | Improvements in or relating to constant speed drives | |
JPS6479957A (en) | Head base driver for tape recorder | |
JPS57170053A (en) | Tape player | |
JPS55107158A (en) | Magnetic coupling | |
JPS5728280A (en) | Electronic watch having compensating function | |
JPS56153957A (en) | Field control type motor | |
PT77648A (en) | Permanent magnet motor with automatic control - consists of four magnets with twelve coils for induction multiplication | |
JPS5279216A (en) | Small-sized motor for crystal clock | |
GB1518555A (en) | Electric stepper motors |