JPS5487812A - Motor for electronic watch and method of producing same - Google Patents

Motor for electronic watch and method of producing same

Info

Publication number
JPS5487812A
JPS5487812A JP15094078A JP15094078A JPS5487812A JP S5487812 A JPS5487812 A JP S5487812A JP 15094078 A JP15094078 A JP 15094078A JP 15094078 A JP15094078 A JP 15094078A JP S5487812 A JPS5487812 A JP S5487812A
Authority
JP
Japan
Prior art keywords
poles
joined
stators
motor
interposed
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP15094078A
Other languages
English (en)
Inventor
Gijieeru Urusu
Perutsuchi Noruberuto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ebauchesfabrik ETA AG
Original Assignee
Ebauchesfabrik ETA AG
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
Application filed by Ebauchesfabrik ETA AG filed Critical Ebauchesfabrik ETA AG
Publication of JPS5487812A publication Critical patent/JPS5487812A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C15/00—Clocks driven by synchronous motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/14—Stator cores with salient poles
    • H02K1/141—Stator cores with salient poles consisting of C-shaped cores
    • H02K1/143—Stator cores with salient poles consisting of C-shaped cores of the horse-shoe type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/022—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with salient poles or claw-shaped poles
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Electric Clocks (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Control Of Electric Motors In General (AREA)
JP15094078A 1977-12-13 1978-12-05 Motor for electronic watch and method of producing same Pending JPS5487812A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1531677A CH625665B (fr) 1977-12-13 1977-12-13 Mouvement de montre electronique et procede de fabrication de ce mouvement.

Publications (1)

Publication Number Publication Date
JPS5487812A true JPS5487812A (en) 1979-07-12

Family

ID=4408112

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15094078A Pending JPS5487812A (en) 1977-12-13 1978-12-05 Motor for electronic watch and method of producing same

Country Status (6)

Country Link
US (1) US4277704A (ja)
JP (1) JPS5487812A (ja)
CH (1) CH625665B (ja)
DE (1) DE2853396B2 (ja)
FR (1) FR2412103A1 (ja)
GB (1) GB2010593B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110128311A (ko) * 2009-03-03 2011-11-29 다이슨 테크놀러지 리미티드 전기 기기

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4361772A (en) * 1974-03-07 1982-11-30 Kabushiki Kaisha Daini Seikosha Micro stepping motor for electronic watches
CH623712B (fr) * 1978-12-06 Ebauchesfabrik Eta Ag Stator monobloc pour moteur pas a pas d'horlogerie.
CH621916B (fr) * 1979-02-27 Ebauchesfabrik Eta Ag Procede de fabrication de stators pour moteurs pas a pas de montres electroniques, et moteur realise selon le procede.
CH629069B (fr) * 1979-05-11 Fontainemelon Horlogerie Moteur electromagnetique et procede pour sa fabrication.
DE3107283C2 (de) * 1981-02-26 1984-10-11 Naučno-issledovatel'skij institut časovoj promyšlennosti, Moskau/Moskva Einphasiger Kleinstschrittmotor
US4369385A (en) * 1981-03-17 1983-01-18 Malkin Daniel D Single-phase step micromotor
US4491751A (en) * 1981-04-09 1985-01-01 Moskovsky Energetichesky Institut Single-phase step motor
DE8521736U1 (de) * 1985-07-27 1985-09-26 Timex Corp., Waterbury, Conn. Stator für einen Schrittmotor einer Kleinuhr
DE4429259A1 (de) * 1994-08-18 1996-02-22 Moto Meter Gmbh Schrittmotor mit vorwiegend axialer Rotormagnetisierung
WO1999064937A1 (fr) * 1998-06-11 1999-12-16 Citizen Watch Co., Ltd. Moteur pas-a-pas bipolaire pour dispositif d'horlogerie
US6975049B2 (en) * 2003-10-29 2005-12-13 A. O. Smith Corporation Electrical machine and method of manufacturing the same
GB2500580B (en) * 2012-03-23 2015-07-08 Dyson Technology Ltd Stator for an electrical machine
US10193425B2 (en) * 2015-01-20 2019-01-29 Seiko Instruments Inc. Stepping motor, timepiece movement, timepiece, and manufacturing method of stepping motor
CN106487109A (zh) * 2015-09-01 2017-03-08 德昌电机(深圳)有限公司 单相永磁电机及其定子磁芯
US20190103789A1 (en) * 2017-09-29 2019-04-04 Seiko Instruments Inc. Method for producing stator for motors, and stator for motors

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50145806A (ja) * 1974-05-14 1975-11-22
JPS5227509A (en) * 1975-08-28 1977-03-01 Seiko Epson Corp Stepping motor for timepieces
JPS52147713A (en) * 1976-06-04 1977-12-08 Citizen Watch Co Ltd Stepping motor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2121699A (en) * 1936-02-17 1938-06-21 Janzen Otto Self-starting single-phase alternating current synchronous motor
CH259575A (de) * 1946-10-12 1949-01-31 Ericsson Telefon Ab L M Verfahren zur Herstellung von Blechpaketen aus Blechbändern für elektrische Maschinen.
US2804680A (en) * 1954-10-22 1957-09-03 Nat Pneumatic Company Inc Motor field construction and method of making same
US3142774A (en) * 1960-12-22 1964-07-28 Gen Time Corp Synchronous timing motor assembly
FR1466452A (fr) * 1965-11-29 1967-01-20 Perfectionnements à la réalisation des stators pour moteurs électriques
US3457445A (en) * 1967-12-19 1969-07-22 Gen Electric Laminated rotors and stators with flux barriers for synchronous induction motors and method of making the same
JPS5049611U (ja) * 1973-09-05 1975-05-15
JPS5842709B2 (ja) * 1973-09-05 1983-09-21 セイコーエプソン株式会社 スイシヨウドケイヨウステツプモ−タ−
JPS5239111A (en) * 1975-09-25 1977-03-26 Citizen Watch Co Ltd Pulse motor for electronic clock

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50145806A (ja) * 1974-05-14 1975-11-22
JPS5227509A (en) * 1975-08-28 1977-03-01 Seiko Epson Corp Stepping motor for timepieces
JPS52147713A (en) * 1976-06-04 1977-12-08 Citizen Watch Co Ltd Stepping motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110128311A (ko) * 2009-03-03 2011-11-29 다이슨 테크놀러지 리미티드 전기 기기

Also Published As

Publication number Publication date
GB2010593A (en) 1979-06-27
GB2010593B (en) 1982-10-20
CH625665B (fr)
CH625665GA3 (ja) 1981-10-15
US4277704A (en) 1981-07-07
FR2412103A1 (fr) 1979-07-13
FR2412103B1 (ja) 1983-08-26
DE2853396A1 (de) 1979-06-21
DE2853396B2 (de) 1980-06-12

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