CH629646GA3 - - Google Patents

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Publication number
CH629646GA3
CH629646GA3 CH666678A CH666678A CH629646GA3 CH 629646G A3 CH629646G A3 CH 629646GA3 CH 666678 A CH666678 A CH 666678A CH 666678 A CH666678 A CH 666678A CH 629646G A3 CH629646G A3 CH 629646GA3
Authority
CH
Switzerland
Prior art keywords
motor
motor rotor
reverse
rotor
angular movement
Prior art date
Application number
CH666678A
Other languages
English (en)
French (fr)
Other versions
CH629646B (fr
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Publication of CH629646B publication Critical patent/CH629646B/fr
Application filed filed Critical
Publication of CH629646GA3 publication Critical patent/CH629646GA3/fr

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
    • 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

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Stepping Motors (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
CH666678A 1977-06-17 1978-06-19 Dispositif de moteur pas a pas pour montre electronique, notamment pour montre-bracelet electronique. CH629646B (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7257277A JPS547374A (en) 1977-06-17 1977-06-17 Step motor device for electronic watches

Publications (2)

Publication Number Publication Date
CH629646B CH629646B (fr)
CH629646GA3 true CH629646GA3 (cs) 1982-05-14

Family

ID=13493212

Family Applications (1)

Application Number Title Priority Date Filing Date
CH666678A CH629646B (fr) 1977-06-17 1978-06-19 Dispositif de moteur pas a pas pour montre electronique, notamment pour montre-bracelet electronique.

Country Status (7)

Country Link
US (1) US4241434A (cs)
JP (1) JPS547374A (cs)
CH (1) CH629646B (cs)
DE (1) DE2823110A1 (cs)
FR (1) FR2394916A1 (cs)
GB (1) GB1557145A (cs)
HK (1) HK40782A (cs)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5023527A (en) * 1974-06-24 1991-06-11 General Electric Company Control circuits, electronically commutated motor systems and methods
EP0085648B1 (fr) * 1982-01-28 1985-10-09 Asulab S.A. Moteur pas à pas à deux sens de rotation, notamment pour pièce d'horlogerie électronique, ainsi qu'ensemble le comprenant
JPS58130288U (ja) * 1982-02-26 1983-09-02 ジエコ−株式会社 水晶アナログ時計
DE3419100A1 (de) * 1984-05-23 1985-11-28 Vdo Adolf Schindling Ag, 6000 Frankfurt Motor
US5040084A (en) * 1989-04-06 1991-08-13 Digisys Corporation Disk drive system and method
EP2494432B1 (en) 2009-10-27 2019-05-29 Harmonix Music Systems, Inc. Gesture-based user interface

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5239111A (en) * 1975-09-25 1977-03-26 Citizen Watch Co Ltd Pulse motor for electronic clock
JPS5248012A (en) * 1975-10-16 1977-04-16 Seiko Instr & Electronics Ltd Reversible miniature step motor
JPS5280063A (en) * 1975-12-26 1977-07-05 Citizen Watch Co Ltd Reversible pulse motor system and watch
US4055785A (en) * 1976-01-12 1977-10-25 Fumio Nakajima Stepping motor for electronic timepiece
US4150536A (en) * 1976-01-28 1979-04-24 Citizen Watch Company Limited Electronic timepiece
US4129981A (en) * 1976-02-06 1978-12-19 Citizen Watch Company Limited Electronic timepiece
US4070592A (en) * 1976-10-08 1978-01-24 The Superior Electric Company Three step sequence motor

Also Published As

Publication number Publication date
HK40782A (en) 1982-09-24
GB1557145A (en) 1979-12-05
DE2823110A1 (de) 1978-12-21
CH629646B (fr)
JPS547374A (en) 1979-01-20
FR2394916A1 (fr) 1979-01-12
US4241434A (en) 1980-12-23
FR2394916B1 (cs) 1983-05-27

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