FR2489055B1 - - Google Patents

Info

Publication number
FR2489055B1
FR2489055B1 FR8116049A FR8116049A FR2489055B1 FR 2489055 B1 FR2489055 B1 FR 2489055B1 FR 8116049 A FR8116049 A FR 8116049A FR 8116049 A FR8116049 A FR 8116049A FR 2489055 B1 FR2489055 B1 FR 2489055B1
Authority
FR
France
Prior art keywords
variation
coil
drive pulse
flux
actuating coil
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
FR8116049A
Other languages
English (en)
Other versions
FR2489055A1 (fr
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 FR2489055A1 publication Critical patent/FR2489055A1/fr
Application granted granted Critical
Publication of FR2489055B1 publication Critical patent/FR2489055B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G04C3/143—Means to reduce power consumption by reducing pulse width or amplitude and related problems, e.g. detection of unwanted or missing step
FR8116049A 1980-08-25 1981-08-19 Procede pour reduire la consommation en energie du moteur pas a pas d'une piece d'horlogerie electronique et piece d'horlogerie electronique mettant en oeuvre ce procede Granted FR2489055A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH638180A CH640999B (fr) 1980-08-25 1980-08-25 Procede et dispositif de commande d'une moteur pas a pas de piece d'horlogerie electronique.

Publications (2)

Publication Number Publication Date
FR2489055A1 FR2489055A1 (fr) 1982-02-26
FR2489055B1 true FR2489055B1 (fr) 1983-11-18

Family

ID=4308683

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8116049A Granted FR2489055A1 (fr) 1980-08-25 1981-08-19 Procede pour reduire la consommation en energie du moteur pas a pas d'une piece d'horlogerie electronique et piece d'horlogerie electronique mettant en oeuvre ce procede

Country Status (6)

Country Link
US (1) US4430007A (fr)
JP (1) JPS57172279A (fr)
CH (1) CH640999B (fr)
DE (1) DE3132304C2 (fr)
FR (1) FR2489055A1 (fr)
GB (1) GB2082806B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH644989GA3 (fr) * 1981-03-18 1984-09-14
CH647129GA3 (fr) * 1982-02-16 1985-01-15
FR2529032A1 (fr) * 1982-06-21 1983-12-23 Omega Brandt & Freres Sa Louis Procede d'alimentation d'un moteur pas a pas monophase pour piece d'horlogerie
CH653206GA3 (fr) * 1983-09-16 1985-12-31
JPS60131097A (ja) * 1983-12-16 1985-07-12 Matsushita Electric Ind Co Ltd ステツピングモ−タの回転検出装置
JPH0317597Y2 (fr) * 1984-12-10 1991-04-12
DE3772477D1 (de) * 1986-07-02 1991-10-02 Asulab Sa Verfahren und vorrichtung zur kontrolle eines schrittmotors.
CH673750B5 (fr) * 1988-09-23 1990-10-15 Asulab Sa
JP3057340B2 (ja) * 1992-03-12 2000-06-26 セイコーインスツルメンツ株式会社 電子時計
JP4236956B2 (ja) * 2003-02-24 2009-03-11 セイコーインスツル株式会社 ステップモータ制御装置及び電子時計
US7235962B2 (en) * 2003-11-17 2007-06-26 Babak Mazda Inductor-based current sensing
JP4800787B2 (ja) * 2006-02-15 2011-10-26 セイコーインスツル株式会社 ステップモータ駆動回路及びアナログ電子時計
EP3106890A1 (fr) * 2015-06-19 2016-12-21 General Electric Technology GmbH Procede de mesure d'un noyau de stator d'une machine electrique et dispositif de mesure
EP3663871A1 (fr) * 2018-12-06 2020-06-10 The Swatch Group Research and Development Ltd Unite d'entrainement de moteur d'un moteur electrique a courant continu

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3500103A (en) * 1966-12-07 1970-03-10 Benrus Corp Electric timepiece drive with cut-off
CH585428B5 (fr) * 1972-09-20 1977-02-28 Portescap
JPS5542356B2 (fr) * 1972-12-22 1980-10-30
JPS6024680B2 (ja) * 1973-03-07 1985-06-14 セイコーインスツルメンツ株式会社 時計用ステツプモ−タの駆動回路
JPS5292560A (en) * 1976-01-29 1977-08-04 Seiko Instr & Electronics Ltd Switch box drive pulse width control circuit for electronic clocks
JPS5677778A (en) * 1979-11-29 1981-06-26 Rhythm Watch Co Ltd Driving device for timepiece step motor
JPS55129786A (en) * 1980-03-10 1980-10-07 Seiko Epson Corp Step motor mechanism for electronic watch

Also Published As

Publication number Publication date
US4430007A (en) 1984-02-07
CH640999GA3 (fr) 1984-02-15
DE3132304A1 (de) 1982-05-27
FR2489055A1 (fr) 1982-02-26
DE3132304C2 (de) 1986-10-23
CH640999B (fr)
GB2082806B (en) 1984-01-04
JPS57172279A (en) 1982-10-23
JPH0371672B2 (fr) 1991-11-14
GB2082806A (en) 1982-03-10

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Legal Events

Date Code Title Description
ST Notification of lapse