CH639235B - Dispositif de detection de rotation/non-rotation et de production d'impulsions correctrices, pour piece d'horlogerie electronique, notamment pour montre-bracelet electronique. - Google Patents

Dispositif de detection de rotation/non-rotation et de production d'impulsions correctrices, pour piece d'horlogerie electronique, notamment pour montre-bracelet electronique.

Info

Publication number
CH639235B
CH639235B CH1143279A CH1143279A CH639235B CH 639235 B CH639235 B CH 639235B CH 1143279 A CH1143279 A CH 1143279A CH 1143279 A CH1143279 A CH 1143279A CH 639235 B CH639235 B CH 639235B
Authority
CH
Switzerland
Prior art keywords
rotation
driving
magnetic field
detection
detection device
Prior art date
Application number
CH1143279A
Other languages
English (en)
Other versions
CH639235GA3 (fr
Inventor
Makoto Ueda
Akira Torisawa
Shuji Otawa
Masaaki Mandai
Masaharu Shida
Katsuhiko Sato
Original Assignee
Seiko Instr & Electronics
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 of CH639235B publication Critical patent/CH639235B/fr
Priority claimed from JP16217078A external-priority patent/JPS5587076A/ja
Priority claimed from JP16150978A external-priority patent/JPS5587976A/ja
Priority claimed from JP16151078A external-priority patent/JPS5587977A/ja
Application filed by Seiko Instr & Electronics filed Critical Seiko Instr & Electronics
Publication of CH639235GA3 publication Critical patent/CH639235GA3/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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P8/00—Arrangements for controlling dynamo-electric motors rotating step by step
    • H02P8/02—Arrangements for controlling dynamo-electric motors rotating step by step specially adapted for single-phase or bi-pole stepper motors, e.g. watch-motors, clock-motors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)
  • Electric Clocks (AREA)
CH1143279A 1978-12-25 1979-12-21 Dispositif de detection de rotation/non-rotation et de production d'impulsions correctrices, pour piece d'horlogerie electronique, notamment pour montre-bracelet electronique. CH639235B (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP16217078A JPS5587076A (en) 1978-12-25 1978-12-25 Electronic watch
JP16150978A JPS5587976A (en) 1978-12-26 1978-12-26 Device for detecting electronic watch
JP16151078A JPS5587977A (en) 1978-12-26 1978-12-26 Device for detecting electronic watch

Publications (2)

Publication Number Publication Date
CH639235B true CH639235B (fr)
CH639235GA3 CH639235GA3 (fr) 1983-11-15

Family

ID=27321867

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1143279A CH639235B (fr) 1978-12-25 1979-12-21 Dispositif de detection de rotation/non-rotation et de production d'impulsions correctrices, pour piece d'horlogerie electronique, notamment pour montre-bracelet electronique.

Country Status (5)

Country Link
US (1) US4321521A (fr)
CH (1) CH639235B (fr)
DE (1) DE2951947A1 (fr)
FR (1) FR2445653A1 (fr)
GB (1) GB2038512A (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57106397A (en) * 1980-12-18 1982-07-02 Seiko Instr & Electronics Ltd Driving device for stepping motor
GB2134290B (en) * 1982-12-16 1986-02-26 Suwa Seikosha Kk An analog electronic timepiece
JPH0681551B2 (ja) * 1984-10-16 1994-10-12 セイコ−電子工業株式会社 ステップモ−タの回転検出方法
JPS6258189A (ja) * 1985-09-09 1987-03-13 Seiko Instr & Electronics Ltd アナログ電子時計
CH671135GA3 (en) * 1987-12-11 1989-08-15 Control method for stepper motor - using magnetic field detector allowing compensation for ambient magnetic field by adjusting drive pulses
JP2624176B2 (ja) * 1994-05-20 1997-06-25 日本電気株式会社 電子時計及び時刻補正方法
JP3541601B2 (ja) * 1997-02-07 2004-07-14 セイコーエプソン株式会社 ステッピングモーターの制御装置、その制御方法および計時装置
EP0905586B1 (fr) * 1997-03-17 2009-06-10 Citizen Holdings Co., Ltd. Montre electronique a generateur
JPH11127595A (ja) * 1997-08-11 1999-05-11 Seiko Epson Corp 電子機器
EP1032118B1 (fr) * 1998-09-10 2005-11-23 Seiko Epson Corporation Dispositif d'entrainement pour moteur pas-a-pas, technique d'entrainement de ce type de moteur, temporisateur et technique de commande de celui-ci
JP3395786B1 (ja) * 2002-02-26 2003-04-14 セイコーエプソン株式会社 電子機器、電子機器の受信制御方法および電子機器の受信制御プログラム
TW525796U (en) * 2002-09-10 2003-03-21 Yuan-Sung Weng Wrist-watch with radio detection function of illegal recording
JP2011027510A (ja) * 2009-07-23 2011-02-10 Seiko Instruments Inc クロノグラフ時計
JP2011169750A (ja) * 2010-02-18 2011-09-01 Seiko Instruments Inc 電子時計およびその処理方法とプログラム
JP5819304B2 (ja) 2010-09-09 2015-11-24 シチズンホールディングス株式会社 揺動型ステップモータ

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3756010A (en) * 1970-08-11 1973-09-04 Matsushita Electric Works Ltd Magnetic-induction clock
US3963946A (en) * 1975-02-21 1976-06-15 Robertshaw Controls Company Driver circuit for step motor
US4081736A (en) * 1976-07-09 1978-03-28 The Superior Electric Company Open loop motor stabilization method and circuit
US4158287A (en) * 1976-08-12 1979-06-19 Citizen Watch Company Limited Driver circuit for electro-mechanical transducer
JPS5345575A (en) * 1976-10-06 1978-04-24 Seiko Epson Corp Electronic wristwatch
CH635973B (fr) * 1977-01-19 Suwa Seikosha Kk Circuit de commande pour un transducteur electromecanique d'une montre, notamment d'une montre-bracelet electronique.
JPS53136870A (en) * 1977-04-23 1978-11-29 Seiko Instr & Electronics Ltd Electronic watch
JPS5477169A (en) * 1977-12-02 1979-06-20 Seiko Instr & Electronics Ltd Electronic watch
JPS54155079A (en) * 1978-05-26 1979-12-06 Seiko Instr & Electronics Ltd Magnetic field detector for electronic watch
JPS5515054A (en) * 1978-07-19 1980-02-01 Seiko Instr & Electronics Ltd Electronic watch

Also Published As

Publication number Publication date
US4321521A (en) 1982-03-23
CH639235GA3 (fr) 1983-11-15
DE2951947A1 (de) 1980-07-10
FR2445653B1 (fr) 1984-09-07
GB2038512A (en) 1980-07-23
FR2445653A1 (fr) 1980-07-25

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