CH621231B - Schrittmotor. - Google Patents

Schrittmotor.

Info

Publication number
CH621231B
CH621231B CH878276A CH878276A CH621231B CH 621231 B CH621231 B CH 621231B CH 878276 A CH878276 A CH 878276A CH 878276 A CH878276 A CH 878276A CH 621231 B CH621231 B CH 621231B
Authority
CH
Switzerland
Prior art keywords
rotor
energized
stator
equilibrium point
stepper motor
Prior art date
Application number
CH878276A
Other languages
German (de)
English (en)
Other versions
CH621231GA3 (en]
Inventor
Fumio Nakajima
Takayasu Machida
Kenji Yamada
Original Assignee
Citizen Watch Co Ltd
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 of CH621231B publication Critical patent/CH621231B/xx
Priority claimed from JP261376A external-priority patent/JPS6056400B2/ja
Priority claimed from JP2049576A external-priority patent/JPS52104164A/ja
Application filed by Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Publication of CH621231GA3 publication Critical patent/CH621231GA3/xx

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K37/00—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
    • H02K37/10—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type
    • H02K37/12—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets
    • H02K37/14—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H02K37/16—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets with magnets rotating within the armatures having horseshoe armature cores
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C13/00—Driving mechanisms for clocks by primary clocks
    • G04C13/08—Secondary clocks actuated intermittently
    • G04C13/10—Secondary clocks actuated intermittently by electromechanical step advancing mechanisms
    • G04C13/11—Secondary clocks actuated intermittently by electromechanical step advancing mechanisms with rotating armature
    • 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
    • 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)
  • Control Of Stepping Motors (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Adjustment Of Camera Lenses (AREA)
  • Electromechanical Clocks (AREA)
CH878276A 1976-01-12 1976-07-08 Schrittmotor. CH621231B (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP261376A JPS6056400B2 (ja) 1976-01-12 1976-01-12 時計用パルスモ−タ−の駆動制御方法
JP2049576A JPS52104164A (en) 1976-02-26 1976-02-26 Electromechanical convertor driving circuit

Publications (2)

Publication Number Publication Date
CH621231B true CH621231B (de)
CH621231GA3 CH621231GA3 (en]) 1981-01-30

Family

ID=26336043

Family Applications (1)

Application Number Title Priority Date Filing Date
CH878276A CH621231B (de) 1976-01-12 1976-07-08 Schrittmotor.

Country Status (5)

Country Link
US (1) US4055785A (en])
CH (1) CH621231B (en])
DE (1) DE2628583C3 (en])
GB (1) GB1561584A (en])
HK (1) HK34582A (en])

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5312669A (en) * 1976-07-21 1978-02-04 Seiko Instr & Electronics Ltd Hands reversing device of electronic watch
JPS5355079A (en) * 1976-10-28 1978-05-19 Citizen Watch Co Ltd Correction system of electronic watch
JPS5370876A (en) * 1976-12-07 1978-06-23 Seiko Instr & Electronics Ltd Electronic wristwatch
US4162418A (en) * 1976-12-14 1979-07-24 Niles Parts Co., Ltd. Stepping motor for electronic clock
JPS53107611A (en) * 1977-03-01 1978-09-19 Seiko Epson Corp Step motor
JPS547374A (en) * 1977-06-17 1979-01-20 Seiko Instr & Electronics Ltd Step motor device for electronic watches
US4367049A (en) * 1977-09-02 1983-01-04 Ebauches S.A. Driving device especially for a timepiece
DE2749141A1 (de) * 1977-11-03 1979-05-10 Quarz Zeit Ag Elektrische uhr
CH620062A5 (en]) * 1978-05-12 1980-10-31 Portescap
CH616552B (fr) * 1978-07-13 Berney Sa Jean Claude Piece d'horlogerie electronique.
FR2450527A1 (fr) * 1979-03-01 1980-09-26 Suisse Horlogerie Moteur pas a pas non reversible
GB2054978B (en) * 1979-07-06 1984-06-13 Ebauches Sa Electromagnetic motor rotatable in either direction
US4375049A (en) * 1980-09-24 1983-02-22 Timex Corporation Stepping motor drive circuit for bi-directional rotation
US4477196A (en) * 1981-05-07 1984-10-16 Kabushiki Kaisha Suwa Seikosha Analog electronic timepiece
US4912692A (en) * 1988-09-29 1990-03-27 Timex Corporation High rate, bidirectional drive for a bipole stepping motor watch
US6215207B1 (en) * 1997-08-26 2001-04-10 Denso Corporation Torque motor having uniform torque output characteristics
AUPP696198A0 (en) * 1998-11-06 1998-12-03 Brits, Ludwig A rotary electrical converter and controller therefor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3344378A (en) * 1965-07-30 1967-09-26 Donald A Wilhelmson Magnetic detent
US3626269A (en) * 1969-08-25 1971-12-07 Calma Co Stepping motor drive
US3746959A (en) * 1970-10-19 1973-07-17 Fujitsu Ltd Circuit for driving an electric pulse motor
JPS604666B2 (ja) * 1974-04-04 1985-02-05 セイコーエプソン株式会社 水晶腕時計用変換器

Also Published As

Publication number Publication date
HK34582A (en) 1982-08-06
CH621231GA3 (en]) 1981-01-30
US4055785A (en) 1977-10-25
DE2628583C3 (de) 1981-09-10
GB1561584A (en) 1980-02-27
DE2628583B2 (de) 1980-11-27
DE2628583A1 (de) 1977-07-14

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