JPS5385467A - Electronic wristwatch - Google Patents

Electronic wristwatch

Info

Publication number
JPS5385467A
JPS5385467A JP15976776A JP15976776A JPS5385467A JP S5385467 A JPS5385467 A JP S5385467A JP 15976776 A JP15976776 A JP 15976776A JP 15976776 A JP15976776 A JP 15976776A JP S5385467 A JPS5385467 A JP S5385467A
Authority
JP
Japan
Prior art keywords
electronic wristwatch
selecting
condition
driving
beforehand
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
JP15976776A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6148110B2 (enrdf_load_stackoverflow
Inventor
Kiichi Kawamura
Minoru Hosokawa
Sakio Okazaki
Hiroshi Ishii
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.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP15976776A priority Critical patent/JPS5385467A/ja
Publication of JPS5385467A publication Critical patent/JPS5385467A/ja
Publication of JPS6148110B2 publication Critical patent/JPS6148110B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)
JP15976776A 1976-12-30 1976-12-30 Electronic wristwatch Granted JPS5385467A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15976776A JPS5385467A (en) 1976-12-30 1976-12-30 Electronic wristwatch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15976776A JPS5385467A (en) 1976-12-30 1976-12-30 Electronic wristwatch

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP22125385A Division JPS6193975A (ja) 1985-10-04 1985-10-04 電子時計

Publications (2)

Publication Number Publication Date
JPS5385467A true JPS5385467A (en) 1978-07-27
JPS6148110B2 JPS6148110B2 (enrdf_load_stackoverflow) 1986-10-22

Family

ID=15700813

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15976776A Granted JPS5385467A (en) 1976-12-30 1976-12-30 Electronic wristwatch

Country Status (1)

Country Link
JP (1) JPS5385467A (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5536792A (en) * 1978-06-20 1980-03-14 Ebauches Sa Electronic timepiece
JPS5582078A (en) * 1978-12-14 1980-06-20 Ricoh Elemex Corp Drive system for step motor for watch
JPS5582079A (en) * 1978-12-15 1980-06-20 Ricoh Elemex Corp Drive system for step motor for watch
JPS57177296A (en) * 1981-03-31 1982-10-30 Omega Brandt & Freres Sa Louis Method of following stepping motor driven by bipolar pulse train by load applied by time piece mechanism and device for driving stepping motor
WO2005119377A1 (ja) * 2004-06-04 2005-12-15 Seiko Instruments Inc. アナログ電子時計及びモータ制御回路
JP2008206240A (ja) * 2007-02-17 2008-09-04 Seiko Instruments Inc ステッピングモータ駆動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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0194214U (enrdf_load_stackoverflow) * 1987-12-16 1989-06-21

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5536792A (en) * 1978-06-20 1980-03-14 Ebauches Sa Electronic timepiece
JPS5582078A (en) * 1978-12-14 1980-06-20 Ricoh Elemex Corp Drive system for step motor for watch
JPS5582079A (en) * 1978-12-15 1980-06-20 Ricoh Elemex Corp Drive system for step motor for watch
JPS57177296A (en) * 1981-03-31 1982-10-30 Omega Brandt & Freres Sa Louis Method of following stepping motor driven by bipolar pulse train by load applied by time piece mechanism and device for driving stepping motor
WO2005119377A1 (ja) * 2004-06-04 2005-12-15 Seiko Instruments Inc. アナログ電子時計及びモータ制御回路
JPWO2005119377A1 (ja) * 2004-06-04 2008-04-03 セイコーインスツル株式会社 アナログ電子時計及びモータ制御回路
US7606116B2 (en) 2004-06-04 2009-10-20 Seiko Instruments Inc. Analogue electronic clock and motor control circuit
US8064294B2 (en) 2004-06-04 2011-11-22 Seiko Instruments Inc. Analogue electronic clock and motor control circuit
JP4863871B2 (ja) * 2004-06-04 2012-01-25 セイコーインスツル株式会社 アナログ電子時計及びモータ制御回路
JP2008206240A (ja) * 2007-02-17 2008-09-04 Seiko Instruments Inc ステッピングモータ駆動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

Also Published As

Publication number Publication date
JPS6148110B2 (enrdf_load_stackoverflow) 1986-10-22

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