FR2423908A1 - Moteur pas a pas pour une montre electronique - Google Patents

Moteur pas a pas pour une montre electronique

Info

Publication number
FR2423908A1
FR2423908A1 FR7901922A FR7901922A FR2423908A1 FR 2423908 A1 FR2423908 A1 FR 2423908A1 FR 7901922 A FR7901922 A FR 7901922A FR 7901922 A FR7901922 A FR 7901922A FR 2423908 A1 FR2423908 A1 FR 2423908A1
Authority
FR
France
Prior art keywords
electronic watch
core
step motor
stator
watchmaking
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
FR7901922A
Other languages
English (en)
French (fr)
Other versions
FR2423908B1 (enExample
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Publication of FR2423908A1 publication Critical patent/FR2423908A1/fr
Application granted granted Critical
Publication of FR2423908B1 publication Critical patent/FR2423908B1/fr
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
    • 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)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Electromechanical Clocks (AREA)
FR7901922A 1978-04-18 1979-01-25 Moteur pas a pas pour une montre electronique Granted FR2423908A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5108178U JPS54153313U (enExample) 1978-04-18 1978-04-18

Publications (2)

Publication Number Publication Date
FR2423908A1 true FR2423908A1 (fr) 1979-11-16
FR2423908B1 FR2423908B1 (enExample) 1983-08-26

Family

ID=12876855

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7901922A Granted FR2423908A1 (fr) 1978-04-18 1979-01-25 Moteur pas a pas pour une montre electronique

Country Status (6)

Country Link
JP (1) JPS54153313U (enExample)
DE (1) DE2847921A1 (enExample)
FR (1) FR2423908A1 (enExample)
GB (1) GB2020913B (enExample)
HK (1) HK18784A (enExample)
SG (1) SG64483G (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9002624A (nl) * 1990-11-30 1992-06-16 Kinetron Bv Miniatuurmotor.
EP0505595A1 (de) * 1991-03-28 1992-09-30 Vacuumschmelze GmbH Schrittmotor für Uhren
DE4328421A1 (de) * 1993-08-24 1995-03-02 Vacuumschmelze Gmbh Schrittmotor für eine elektrische Uhr

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2298896A1 (fr) * 1975-01-27 1976-08-20 Vdo Schindling Moteur monophase a fonctionnement pas a pas

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5131010B2 (enExample) * 1973-05-09 1976-09-04
FR2263632B1 (enExample) * 1974-03-07 1980-08-14 Seiko Instr & Electronics

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2298896A1 (fr) * 1975-01-27 1976-08-20 Vdo Schindling Moteur monophase a fonctionnement pas a pas

Also Published As

Publication number Publication date
FR2423908B1 (enExample) 1983-08-26
GB2020913A (en) 1979-11-21
HK18784A (en) 1984-03-09
JPS54153313U (enExample) 1979-10-25
GB2020913B (en) 1983-03-09
DE2847921C2 (enExample) 1988-07-28
DE2847921A1 (de) 1979-10-31
SG64483G (en) 1985-03-29

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