CH640999GA3 - - Google Patents

Download PDF

Info

Publication number
CH640999GA3
CH640999GA3 CH638180A CH638180A CH640999GA3 CH 640999G A3 CH640999G A3 CH 640999GA3 CH 638180 A CH638180 A CH 638180A CH 638180 A CH638180 A CH 638180A CH 640999G A3 CH640999G A3 CH 640999GA3
Authority
CH
Switzerland
Prior art keywords
variation
coil
drive pulse
flux
actuating coil
Prior art date
Application number
CH638180A
Other languages
English (en)
French (fr)
Other versions
CH640999B (fr
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
Publication of CH640999B publication Critical patent/CH640999B/fr
Application filed filed Critical
Priority to CH638180A priority Critical patent/CH640999B/fr
Priority to US06/291,391 priority patent/US4430007A/en
Priority to DE3132304A priority patent/DE3132304C2/de
Priority to FR8116049A priority patent/FR2489055A1/fr
Priority to GB8125642A priority patent/GB2082806B/en
Priority to JP56132204A priority patent/JPS57172279A/ja
Publication of CH640999GA3 publication Critical patent/CH640999GA3/fr

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Stepping Motors (AREA)
  • Electromechanical Clocks (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
CH638180A 1980-08-25 1980-08-25 Procede et dispositif de commande d'une moteur pas a pas de piece d'horlogerie electronique. CH640999B (fr)

Priority Applications (6)

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.
US06/291,391 US4430007A (en) 1980-08-25 1981-08-10 Method of reducing the power consumption of the stepping motor of an electronic timepiece and an electronic timepiece employing the method
DE3132304A DE3132304C2 (de) 1980-08-25 1981-08-17 Verfahren zum Verringern des Energieverbrauchs des Schrittschaltmotors in einem elektronischen Uhrwerk und elektronisches Uhrwerk, bei dem das Verfahren angewandt wird
FR8116049A 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
GB8125642A GB2082806B (en) 1980-08-25 1981-08-21 A method of reducing the power consumption of the stepping motor of an electronic timepiece
JP56132204A JPS57172279A (en) 1980-08-25 1981-08-25 Saving of power consumption for electronic time piece and electronic time piece employing it

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
CH640999B CH640999B (fr)
CH640999GA3 true CH640999GA3 (en, 2012) 1984-02-15

Family

ID=4308683

Family Applications (1)

Application Number Title Priority Date Filing Date
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.

Country Status (6)

Country Link
US (1) US4430007A (en, 2012)
JP (1) JPS57172279A (en, 2012)
CH (1) CH640999B (en, 2012)
DE (1) DE3132304C2 (en, 2012)
FR (1) FR2489055A1 (en, 2012)
GB (1) GB2082806B (en, 2012)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH644989GA3 (en, 2012) * 1981-03-18 1984-09-14
CH647129GA3 (en, 2012) * 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 (en, 2012) * 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 (en, 2012) * 1984-12-10 1991-04-12
DE3772477D1 (de) * 1986-07-02 1991-10-02 Asulab Sa Verfahren und vorrichtung zur kontrolle eines schrittmotors.
CH673750B5 (en, 2012) * 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
EP3106890B1 (en) * 2015-06-19 2025-08-13 Arabelle Solutions France Method for measuring a stator core of an electric machine and measuring device
EP3663871A1 (en) * 2018-12-06 2020-06-10 The Swatch Group Research and Development Ltd Motor drive unit of a dc electric motor

Family Cites Families (17)

* 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
CH1372372A4 (en, 2012) * 1972-09-20 1976-09-15
JPS5542356B2 (en, 2012) 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
US4129981A (en) 1976-02-06 1978-12-19 Citizen Watch Company Limited Electronic timepiece
US4158287A (en) 1976-08-12 1979-06-19 Citizen Watch Company Limited Driver circuit for electro-mechanical transducer
JPS53132381A (en) 1977-04-23 1978-11-18 Seiko Instr & Electronics Ltd Electronic watch
GB2007409B (en) 1977-09-02 1982-04-15 Ebauches Sa Driving device especially for a timepiece
JPS54155079A (en) 1978-05-26 1979-12-06 Seiko Instr & Electronics Ltd Magnetic field detector for electronic watch
CH616045B (fr) 1978-06-20 Ebauches Sa Procede pour reduire la consommation d'une piece d'horlogerie electronique et piece d'horlogerie electronique mettant en oeuvre ce procede.
JPS5515054A (en) 1978-07-19 1980-02-01 Seiko Instr & Electronics Ltd Electronic watch
US4283783A (en) 1978-11-28 1981-08-11 Citizen Watch Company Limited Drive control system for stepping motor
US4321521A (en) 1978-12-25 1982-03-23 Kabushiki Kaisha Daini Seikosha Detection device of electronic timepiece
US4351039A (en) 1979-01-08 1982-09-21 Jean-Claude Berney Timepiece with a detector and control circuit for a stepping motor
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
JPH0371672B2 (en, 2012) 1991-11-14
FR2489055B1 (en, 2012) 1983-11-18
DE3132304C2 (de) 1986-10-23
GB2082806B (en) 1984-01-04
FR2489055A1 (fr) 1982-02-26
US4430007A (en) 1984-02-07
CH640999B (fr)
JPS57172279A (en) 1982-10-23
DE3132304A1 (de) 1982-05-27
GB2082806A (en) 1982-03-10

Similar Documents

Publication Publication Date Title
FR2489055B1 (en, 2012)
JPS5772008A (en) Position sensor
GB1381307A (en) Method for the measurement of direct currents with floating input and direct time indication
JPS57199968A (en) Method and device for measuring magnetic field
JPS57203913A (en) Rotation detector
JPS5619423A (en) Bolt axial force detector
JPS5633521A (en) Device for measuring stress
JPS5753663A (en) Speed detector for electric motor
JPS56101527A (en) Measuring device of stress
SU523354A1 (ru) Индукционный датчик скорости
JPS55127874A (en) Neutral point adjusting method for motor
JPS5612836A (en) Rotational frequency detector for squirrel-cage induction motor
JPS5740606A (en) Bearing indicator
SU1638672A1 (ru) Устройство дл обнаружени витковых замыканий в катушках обмоток крупных электрических машин
GB939590A (en) Transducer for converting position into an electrical signal
JPS57206297A (en) Torque detecting device for induction motor
SU1597755A1 (ru) Трансформатор посто нного тока
SU907403A2 (ru) Устройство дл измерени температуры вращающихс объектов
SU900230A1 (ru) Коэрцитиметр
SU1226260A1 (ru) Устройство дл измерени коэрцитивной силы листовых ферромагнитных материалов
GB1374069A (en) Magnetic flux-current signal converting apparatus
JPS5722566A (en) Method and apparatus for detecting dc current
DE3071179D1 (en) Dual core magnetic amplifier sensor
IT1235034B (it) Dispositivo di rilevamento di corrente elettrica
JPS55155222A (en) Stress measuring apparatus utilizing iron loss