JPS5454077A - Calendar collecting device for analog electronic watch - Google Patents

Calendar collecting device for analog electronic watch

Info

Publication number
JPS5454077A
JPS5454077A JP12030277A JP12030277A JPS5454077A JP S5454077 A JPS5454077 A JP S5454077A JP 12030277 A JP12030277 A JP 12030277A JP 12030277 A JP12030277 A JP 12030277A JP S5454077 A JPS5454077 A JP S5454077A
Authority
JP
Japan
Prior art keywords
day
pulses
date
changed
month
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.)
Pending
Application number
JP12030277A
Other languages
English (en)
Inventor
Joichi Miyazaki
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 Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP12030277A priority Critical patent/JPS5454077A/ja
Priority to GB7839132A priority patent/GB2005876B/en
Priority to US05/948,783 priority patent/US4271494A/en
Publication of JPS5454077A publication Critical patent/JPS5454077A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C17/00—Indicating the time optically by electric means
    • G04C17/005—Indicating the time optically by electric means by discs
    • G04C17/0058—Indicating the time optically by electric means by discs with date indication
    • G04C17/0066—Indicating the time optically by electric means by discs with date indication electromagnetically driven, e.g. intermittently
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromechanical Clocks (AREA)
JP12030277A 1977-10-06 1977-10-06 Calendar collecting device for analog electronic watch Pending JPS5454077A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP12030277A JPS5454077A (en) 1977-10-06 1977-10-06 Calendar collecting device for analog electronic watch
GB7839132A GB2005876B (en) 1977-10-06 1978-10-03 Analogue type electronic timepieces
US05/948,783 US4271494A (en) 1977-10-06 1978-10-05 Correcting device for calendar in an analog type electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12030277A JPS5454077A (en) 1977-10-06 1977-10-06 Calendar collecting device for analog electronic watch

Publications (1)

Publication Number Publication Date
JPS5454077A true JPS5454077A (en) 1979-04-27

Family

ID=14782864

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12030277A Pending JPS5454077A (en) 1977-10-06 1977-10-06 Calendar collecting device for analog electronic watch

Country Status (3)

Country Link
US (1) US4271494A (ja)
JP (1) JPS5454077A (ja)
GB (1) GB2005876B (ja)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6013153B2 (ja) * 1976-12-03 1985-04-05 シチズン時計株式会社 カレンダ−付電子時計
JPS618396Y2 (ja) * 1980-06-06 1986-03-14
EP0063771B1 (en) * 1981-04-22 1986-02-05 Olympus Optical Co., Ltd. Leap year compensation system
CH648723GA3 (ja) * 1982-09-10 1985-04-15
DE3767691D1 (de) * 1986-12-03 1991-02-28 Ebauchesfabrik Eta Ag Schaltung zur formung des von einem kontakt produzierten signals.
CH672222B5 (ja) * 1987-11-11 1990-05-15 Rolex Montres
CN1132079C (zh) * 1997-04-25 2003-12-24 精工电子有限公司 电子表
US6088302A (en) * 1997-04-25 2000-07-11 Seiko Instruments Inc. Electronic timepiece
JP3165070B2 (ja) * 1997-04-25 2001-05-14 セイコーインスツルメンツ株式会社 カレンダ付電子時計
US6582118B1 (en) * 1997-04-25 2003-06-24 Seiko Instruments Inc. Electronic timepiece having transmission wheel rotational position detecting apparatus
JP2002071840A (ja) * 2000-08-29 2002-03-12 Seiko Instruments Inc 電子機器
JP2005214836A (ja) * 2004-01-30 2005-08-11 Seiko Instruments Inc ２つの日車を含むカレンダ機構付き時計
DE602005005878T2 (de) * 2004-02-19 2009-05-20 Seiko Epson Corp. Elektronische Uhr mit Kalendersfunktion und Verfahren zum Ansteuern dieser Uhr
JP2009276223A (ja) * 2008-05-15 2009-11-26 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
GB2482360B (en) * 2010-11-08 2012-06-06 Richard George Hoptroff Device for irregularly driving unidirectional motors for enhanced data display

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1673676B1 (de) * 1967-05-03 1972-05-31 Walter Dr Nissen Datumsanzeigevorrichtung
JPS5336343B2 (ja) * 1972-08-03 1978-10-02
JPS5137265A (ja) * 1974-09-25 1976-03-29 Citizen Watch Co Ltd
CH608324B (fr) * 1976-05-03 Tavannes Ebauches Sa Mouvement de montre a calendrier comportant un organe indicateur de date.

Also Published As

Publication number Publication date
GB2005876B (en) 1982-03-03
US4271494A (en) 1981-06-02
GB2005876A (en) 1979-04-25

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