HK1009858A1 - Stepping motor control device and method thereof and timepiece - Google Patents

Stepping motor control device and method thereof and timepiece

Info

Publication number
HK1009858A1
HK1009858A1 HK98110602A HK98110602A HK1009858A1 HK 1009858 A1 HK1009858 A1 HK 1009858A1 HK 98110602 A HK98110602 A HK 98110602A HK 98110602 A HK98110602 A HK 98110602A HK 1009858 A1 HK1009858 A1 HK 1009858A1
Authority
HK
Hong Kong
Prior art keywords
timepiece
control device
motor control
stepping motor
stepping
Prior art date
Application number
HK98110602A
Other languages
English (en)
Inventor
Tatsuo Hara
Original Assignee
Seiko Epson Corp
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 Epson Corp filed Critical Seiko Epson Corp
Publication of HK1009858A1 publication Critical patent/HK1009858A1/xx

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)
  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)
HK98110602A 1997-02-07 1998-09-11 Stepping motor control device and method thereof and timepiece HK1009858A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP02567697A JP3508444B2 (ja) 1997-02-07 1997-02-07 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

Publications (1)

Publication Number Publication Date
HK1009858A1 true HK1009858A1 (en) 1999-06-11

Family

ID=12172400

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98110602A HK1009858A1 (en) 1997-02-07 1998-09-11 Stepping motor control device and method thereof and timepiece

Country Status (6)

Country Link
US (1) US6108279A (xx)
EP (1) EP0859295B1 (xx)
JP (1) JP3508444B2 (xx)
CN (1) CN1135451C (xx)
DE (1) DE69807130T2 (xx)
HK (1) HK1009858A1 (xx)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1032118B1 (en) * 1998-09-10 2005-11-23 Seiko Epson Corporation Stepper motor driver, method of driving stepper motor, timer, and method of controlling timer
US6476579B1 (en) 1998-09-10 2002-11-05 Seiko Epson Corporation Pulse motor driving device, pulse motor driving method, timepiece device, and timepiece device control method
US6359840B1 (en) * 1999-06-01 2002-03-19 James W. Freese Microcontroller regulated quartz clock
DE10314426B4 (de) * 2003-03-31 2006-09-14 Junghans Uhren Gmbh Verfahren zur Dreherkennung eines wenigstens einen Zeiger einer Uhr antreibenden Schrittmotors
JP2006226927A (ja) * 2005-02-21 2006-08-31 Seiko Instruments Inc ステップモータ駆動装置及びアナログ電子時計
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
JP4885754B2 (ja) * 2007-02-06 2012-02-29 セイコーインスツル株式会社 ステッピングモータ制御回路及び電子時計
JP4502023B2 (ja) 2008-02-20 2010-07-14 カシオ計算機株式会社 ステップモータ駆動装置、ステップモータ駆動プログラム及びステップモータ駆動方法
JP2010220408A (ja) * 2009-03-17 2010-09-30 Seiko Instruments Inc ステッピングモータ制御回路及びアナログ電子時計
JP2011013195A (ja) * 2009-07-06 2011-01-20 Seiko Instruments Inc クロノグラフ時計
JP5994716B2 (ja) * 2013-04-10 2016-09-21 株式会社デンソー ブラシレスモータの制御装置
CN106997169B (zh) * 2016-01-25 2021-02-19 精工电子有限公司 模拟电子钟表和模拟电子钟表的控制方法
JP2017163766A (ja) 2016-03-11 2017-09-14 カシオ計算機株式会社 ステッピングモータ駆動装置、ステッピングモータの駆動方法、ステッピングモータ駆動プログラム、及び電子時計
JP6772500B2 (ja) 2016-03-22 2020-10-21 カシオ計算機株式会社 回転検出装置および電子時計
JP7052193B2 (ja) 2016-09-26 2022-04-12 カシオ計算機株式会社 ステッピングモータ、回転検出装置、および電子時計
JP7295650B2 (ja) * 2019-02-06 2023-06-21 セイコーインスツル株式会社 時計およびモータ制御方法
JP7193396B2 (ja) * 2019-03-27 2022-12-20 セイコーインスツル株式会社 モータ駆動装置、モータ駆動プログラム及び時計

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS5513838A (en) * 1978-07-14 1980-01-31 Seiko Instr & Electronics Ltd Magnetic-field detector for electronic watch
JPS5921493B2 (ja) * 1978-09-12 1984-05-21 セイコーインスツルメンツ株式会社 時計の輪列負荷測定器
GB2050005A (en) * 1979-05-29 1980-12-31 Seiko Instr & Electronics Improvements in or relating to electronic timepieces
JPS56101584A (en) * 1980-01-17 1981-08-14 Seiko Instr & Electronics Ltd Electronic timepiece
JPS60260883A (ja) * 1984-06-07 1985-12-24 Seiko Epson Corp アナログ電子時計
WO1994016365A1 (en) * 1993-01-18 1994-07-21 Seiko Instruments Inc. Electronic timepiece
DE69511649T2 (de) * 1994-04-06 2000-04-06 Citizen Watch Co., Ltd. Elektronische uhr
DE69621392T2 (de) * 1995-09-20 2003-01-09 Citizen Watch Co., Ltd. Elektronische Uhr

Also Published As

Publication number Publication date
JPH10225185A (ja) 1998-08-21
DE69807130D1 (de) 2002-09-19
DE69807130T2 (de) 2002-12-12
CN1135451C (zh) 2004-01-21
EP0859295B1 (en) 2002-08-14
JP3508444B2 (ja) 2004-03-22
US6108279A (en) 2000-08-22
EP0859295A1 (en) 1998-08-19
CN1190755A (zh) 1998-08-19

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20090209