FR2481019A1 - Moteur pas a pas notamment pour montre electronique - Google Patents

Moteur pas a pas notamment pour montre electronique Download PDF

Info

Publication number
FR2481019A1
FR2481019A1 FR8008807A FR8008807A FR2481019A1 FR 2481019 A1 FR2481019 A1 FR 2481019A1 FR 8008807 A FR8008807 A FR 8008807A FR 8008807 A FR8008807 A FR 8008807A FR 2481019 A1 FR2481019 A1 FR 2481019A1
Authority
FR
France
Prior art keywords
rotor
axis
axes
rotation
stepper motor
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.)
Granted
Application number
FR8008807A
Other languages
English (en)
French (fr)
Other versions
FR2481019B1 (https=
Inventor
Jean-Claude Chatelain
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.)
CETEHOR
Original Assignee
CETEHOR
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 CETEHOR filed Critical CETEHOR
Priority to FR8008807A priority Critical patent/FR2481019A1/fr
Priority to DE8181400581T priority patent/DE3173173D1/de
Priority to EP81400581A priority patent/EP0038744B1/fr
Publication of FR2481019A1 publication Critical patent/FR2481019A1/fr
Application granted granted Critical
Publication of FR2481019B1 publication Critical patent/FR2481019B1/fr
Priority to US06/572,432 priority patent/US4518884A/en
Priority to US06/711,094 priority patent/US4665330A/en
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H02K21/18—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having horse-shoe armature cores
    • H02K21/185—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having horse-shoe armature cores with the axis of the rotor perpendicular to the plane of the armature
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
FR8008807A 1980-04-18 1980-04-18 Moteur pas a pas notamment pour montre electronique Granted FR2481019A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR8008807A FR2481019A1 (fr) 1980-04-18 1980-04-18 Moteur pas a pas notamment pour montre electronique
DE8181400581T DE3173173D1 (en) 1980-04-18 1981-04-10 Stepping motor, especially for an electronic watch
EP81400581A EP0038744B1 (fr) 1980-04-18 1981-04-10 Moteur pas à pas notamment pour montre électronique
US06/572,432 US4518884A (en) 1980-04-18 1984-01-20 Step motor particularly for electronic timepieces
US06/711,094 US4665330A (en) 1980-04-18 1985-03-13 Step motor particularly for electronic timepieces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8008807A FR2481019A1 (fr) 1980-04-18 1980-04-18 Moteur pas a pas notamment pour montre electronique

Publications (2)

Publication Number Publication Date
FR2481019A1 true FR2481019A1 (fr) 1981-10-23
FR2481019B1 FR2481019B1 (https=) 1983-05-27

Family

ID=9241104

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8008807A Granted FR2481019A1 (fr) 1980-04-18 1980-04-18 Moteur pas a pas notamment pour montre electronique

Country Status (4)

Country Link
US (2) US4518884A (https=)
EP (1) EP0038744B1 (https=)
DE (1) DE3173173D1 (https=)
FR (1) FR2481019A1 (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2481019A1 (fr) * 1980-04-18 1981-10-23 Cetehor Moteur pas a pas notamment pour montre electronique
US4782353A (en) * 1984-02-27 1988-11-01 Seikosha Co., Ltd. Stepping motor-driven sector opening/closing device
DE3519876A1 (de) * 1985-06-03 1986-12-11 Timex Corp., Waterbury, Conn. Elektrische kleinuhr
JP3576178B2 (ja) * 1991-06-25 2004-10-13 神鋼電機株式会社 真空中で使用される摩擦力伝達装置
EP0706099A1 (fr) * 1994-10-03 1996-04-10 Zafferri, Roberto Moteur pas-à-pas épicycloidal
JP3597467B2 (ja) * 1998-06-11 2004-12-08 シチズン時計株式会社 時計用の２極式ステップモータ
EP1048990B1 (en) * 1998-11-17 2005-12-07 Seiko Epson Corporation Electronically controlled mechanical timepiece
GB2468297B (en) * 2009-03-03 2014-11-19 Dyson Technology Ltd Electric machine with an asymmetric stator core
US10003222B2 (en) 2015-11-12 2018-06-19 Marion J. Marosz Dual-accumulator electrical generation apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR972469A (fr) * 1941-03-29 1951-01-30 Hatot Leon Ets Perfectionnements aux appareils magnéto-électriques
FR2227570A1 (https=) * 1973-04-24 1974-11-22 Seiko Instr & Electronics
US3984972A (en) * 1974-04-04 1976-10-12 Kabushiki Kaisha Suwa Seikosha Transducer for quartz crystal timepiece

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3979616A (en) * 1973-02-19 1976-09-07 Kienzle Uhrenfabriken Gmbh Unipolar rotary step motor
JPS5740759B2 (https=) * 1973-07-17 1982-08-30
US4205244A (en) * 1974-03-07 1980-05-27 Kabushiki Kaisha Daini Seikosha Micro stepping motor
JPS5239111A (en) * 1975-09-25 1977-03-26 Citizen Watch Co Ltd Pulse motor for electronic clock
FR2450527A1 (fr) * 1979-03-01 1980-09-26 Suisse Horlogerie Moteur pas a pas non reversible
CH629069B (fr) * 1979-05-11 Fontainemelon Horlogerie Moteur electromagnetique et procede pour sa fabrication.
FR2481019A1 (fr) * 1980-04-18 1981-10-23 Cetehor Moteur pas a pas notamment pour montre electronique

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR972469A (fr) * 1941-03-29 1951-01-30 Hatot Leon Ets Perfectionnements aux appareils magnéto-électriques
FR2227570A1 (https=) * 1973-04-24 1974-11-22 Seiko Instr & Electronics
US3984972A (en) * 1974-04-04 1976-10-12 Kabushiki Kaisha Suwa Seikosha Transducer for quartz crystal timepiece

Also Published As

Publication number Publication date
US4518884A (en) 1985-05-21
EP0038744B1 (fr) 1985-12-11
US4665330A (en) 1987-05-12
FR2481019B1 (https=) 1983-05-27
EP0038744A1 (fr) 1981-10-28
DE3173173D1 (en) 1986-01-23

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Legal Events

Date Code Title Description
ST Notification of lapse