DE3135318C2 - Schrittmotor und mit diesem ausgerüstete Quarzuhr - Google Patents

Schrittmotor und mit diesem ausgerüstete Quarzuhr

Info

Publication number
DE3135318C2
DE3135318C2 DE3135318A DE3135318A DE3135318C2 DE 3135318 C2 DE3135318 C2 DE 3135318C2 DE 3135318 A DE3135318 A DE 3135318A DE 3135318 A DE3135318 A DE 3135318A DE 3135318 C2 DE3135318 C2 DE 3135318C2
Authority
DE
Germany
Prior art keywords
rotor
stator
leg
stepping motor
curved
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.)
Expired
Application number
DE3135318A
Other languages
German (de)
English (en)
Other versions
DE3135318A1 (de
Inventor
Kazuhiro Hirakata Osaka Araki
Koichi Amagasaki Hyogo Inazumi
Akio Neyagawa Osaka Matsumoto
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 date
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Publication of DE3135318A1 publication Critical patent/DE3135318A1/de
Application granted granted Critical
Publication of DE3135318C2 publication Critical patent/DE3135318C2/de
Expired legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
DE3135318A 1980-09-12 1981-09-05 Schrittmotor und mit diesem ausgerüstete Quarzuhr Expired DE3135318C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55126807A JPS5750678A (en) 1980-09-12 1980-09-12 Quartz timepiece

Publications (2)

Publication Number Publication Date
DE3135318A1 DE3135318A1 (de) 1982-04-08
DE3135318C2 true DE3135318C2 (de) 1983-03-31

Family

ID=14944439

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3135318A Expired DE3135318C2 (de) 1980-09-12 1981-09-05 Schrittmotor und mit diesem ausgerüstete Quarzuhr

Country Status (5)

Country Link
US (1) US4415274A (enFirst)
JP (1) JPS5750678A (enFirst)
DE (1) DE3135318C2 (enFirst)
FR (1) FR2490360B1 (enFirst)
GB (1) GB2085668B (enFirst)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57118180A (en) * 1981-01-14 1982-07-22 Matsushita Electric Works Ltd Watch movement
US4725749A (en) * 1986-03-24 1988-02-16 Timex Corporation Stepping motor and frame plate assembly for a wristwatch movement

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1446863A (en) * 1972-09-18 1976-08-18 Sangamo Weston Electric stepping motors
JPS58262B2 (ja) * 1976-08-26 1983-01-06 株式会社精工舎 小型モ−タ
JPS5597173A (en) * 1979-01-16 1980-07-24 Matsushita Electric Works Ltd Step motor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NICHTS-ERMITTELT

Also Published As

Publication number Publication date
JPS5750678A (en) 1982-03-25
JPS6256993B2 (enFirst) 1987-11-28
DE3135318A1 (de) 1982-04-08
GB2085668B (en) 1985-06-05
FR2490360B1 (fr) 1985-10-31
GB2085668A (en) 1982-04-28
FR2490360A1 (fr) 1982-03-19
US4415274A (en) 1983-11-15

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8181 Inventor (new situation)

Free format text: MATSUMOTO, AKIO, NEYAGAWA, OSAKA, JP INAZUMI, KOICHI, AMAGASAKI, HYOGO, JP ARAKI, KAZUHIRO, HIRAKATA, OSAKA, JP

D2 Grant after examination
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8380 Miscellaneous part iii

Free format text: SPALTE 3, ZEILE 21 "GEBRAUCHSMUSTERANMELDUNG" AENDERN IN "PATENTANMELDUNG"

8339 Ceased/non-payment of the annual fee