JPS56158978A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
JPS56158978A
JPS56158978A JP6310080A JP6310080A JPS56158978A JP S56158978 A JPS56158978 A JP S56158978A JP 6310080 A JP6310080 A JP 6310080A JP 6310080 A JP6310080 A JP 6310080A JP S56158978 A JPS56158978 A JP S56158978A
Authority
JP
Japan
Prior art keywords
errorneous
step motor
signal
electronic watch
section
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.)
Granted
Application number
JP6310080A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6154189B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Fumio Sugano
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.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch Co 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 Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Priority to JP6310080A priority Critical patent/JPS56158978A/ja
Priority to GB8113017A priority patent/GB2076567B/en
Priority to US06/259,156 priority patent/US4460282A/en
Publication of JPS56158978A publication Critical patent/JPS56158978A/ja
Publication of JPS6154189B2 publication Critical patent/JPS6154189B2/ja
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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Stepping Motors (AREA)
  • Electromechanical Clocks (AREA)
JP6310080A 1980-05-13 1980-05-13 Electronic watch Granted JPS56158978A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP6310080A JPS56158978A (en) 1980-05-13 1980-05-13 Electronic watch
GB8113017A GB2076567B (en) 1980-05-13 1981-04-28 Electronic timepiece
US06/259,156 US4460282A (en) 1980-05-13 1981-04-30 Timepiece stepping motor drive circuit with stepping failure compensation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6310080A JPS56158978A (en) 1980-05-13 1980-05-13 Electronic watch

Publications (2)

Publication Number Publication Date
JPS56158978A true JPS56158978A (en) 1981-12-08
JPS6154189B2 JPS6154189B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-11-21

Family

ID=13219530

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6310080A Granted JPS56158978A (en) 1980-05-13 1980-05-13 Electronic watch

Country Status (3)

Country Link
US (1) US4460282A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS56158978A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2076567B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006081333A (ja) * 2004-09-10 2006-03-23 Casio Comput Co Ltd ステップモータの駆動回路
JP2009288133A (ja) * 2008-05-30 2009-12-10 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
JP2010029057A (ja) * 2008-06-17 2010-02-04 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
JP2010166798A (ja) * 2008-05-29 2010-07-29 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
JP5065268B2 (ja) * 2006-07-06 2012-10-31 シチズンホールディングス株式会社 電子時計
JP2014066698A (ja) * 2012-09-07 2014-04-17 Seiko Instruments Inc ステッピングモータ制御回路、ムーブメント及びアナログ電子時計

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8203094A (nl) * 1982-08-04 1984-03-01 Philips Nv Werkwijze voor het analyseren van de in een bekrachtigingsspoel van een stappenmotor geinduceerde spanning.
JPS5980147A (ja) * 1982-10-29 1984-05-09 Rhythm Watch Co Ltd 時計用小型モ−タ
JPS6258189A (ja) * 1985-09-09 1987-03-13 Seiko Instr & Electronics Ltd アナログ電子時計
US4851755A (en) * 1988-03-01 1989-07-25 Ampex Corporation Low power stepper motor drive system and method
JP3256342B2 (ja) * 1993-08-04 2002-02-12 ティーアールダブリュ オートモーティブ ジャパン株式会社 ステッピングモータの脱調検出装置
DE19612597A1 (de) * 1996-03-29 1997-10-02 Fahrzeugklimaregelung Gmbh Anschlags- und Blockiererkennung bei einem Schrittmotor
DE19653460C2 (de) * 1996-07-30 1999-10-28 Elmos Semiconductor Ag Verfahren zur sensorlosen Schritterkennung bei Schrittmotoren
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
JPH11127595A (ja) * 1997-08-11 1999-05-11 Seiko Epson Corp 電子機器
JP5363269B2 (ja) * 2008-12-25 2013-12-11 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アナログ電子時計
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
EP2487549B1 (en) * 2009-10-07 2020-07-08 Citizen Watch Co., Ltd. Electronic watch
JP2012063346A (ja) * 2010-08-19 2012-03-29 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
US8952646B2 (en) * 2012-09-14 2015-02-10 Hamilton Sundstrand Corporation Stepper motor phase failure detection
JP6287997B2 (ja) * 2015-08-06 2018-03-07 カシオ計算機株式会社 モータ駆動装置および電子時計

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5321966A (en) * 1976-08-12 1978-02-28 Citizen Watch Co Ltd Electric-mechanical converter driving circuit for timepiece
JPS53118317A (en) * 1977-03-26 1978-10-16 Hitachi Koki Kk Device for cutting paper for typewriter
JPS5539016A (en) * 1978-09-12 1980-03-18 Seiko Instr & Electronics Ltd Electronic watch

Family Cites Families (4)

* 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
JPS5515054A (en) * 1978-07-19 1980-02-01 Seiko Instr & Electronics Ltd 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
JPS5619473A (en) * 1979-07-27 1981-02-24 Citizen Watch Co Ltd Electronic timepiece

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5321966A (en) * 1976-08-12 1978-02-28 Citizen Watch Co Ltd Electric-mechanical converter driving circuit for timepiece
JPS53118317A (en) * 1977-03-26 1978-10-16 Hitachi Koki Kk Device for cutting paper for typewriter
JPS5539016A (en) * 1978-09-12 1980-03-18 Seiko Instr & Electronics Ltd Electronic watch

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006081333A (ja) * 2004-09-10 2006-03-23 Casio Comput Co Ltd ステップモータの駆動回路
JP5065268B2 (ja) * 2006-07-06 2012-10-31 シチズンホールディングス株式会社 電子時計
JP2010166798A (ja) * 2008-05-29 2010-07-29 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
JP2009288133A (ja) * 2008-05-30 2009-12-10 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
JP2010029057A (ja) * 2008-06-17 2010-02-04 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
JP2014066698A (ja) * 2012-09-07 2014-04-17 Seiko Instruments Inc ステッピングモータ制御回路、ムーブメント及びアナログ電子時計

Also Published As

Publication number Publication date
JPS6154189B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-11-21
US4460282A (en) 1984-07-17
GB2076567A (en) 1981-12-02
GB2076567B (en) 1983-10-26

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