JPS5436767A - Watch requiring no correction of month end - Google Patents

Watch requiring no correction of month end

Info

Publication number
JPS5436767A
JPS5436767A JP8384677A JP8384677A JPS5436767A JP S5436767 A JPS5436767 A JP S5436767A JP 8384677 A JP8384677 A JP 8384677A JP 8384677 A JP8384677 A JP 8384677A JP S5436767 A JPS5436767 A JP S5436767A
Authority
JP
Japan
Prior art keywords
correction
month end
month
watch
requiring
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
JP8384677A
Other languages
Japanese (ja)
Inventor
Kenichi Ushigoe
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 JP8384677A priority Critical patent/JPS5436767A/en
Priority to GB7829271A priority patent/GB2004095B/en
Publication of JPS5436767A publication Critical patent/JPS5436767A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C17/00Indicating the time optically by electric means
    • G04C17/005Indicating the time optically by electric means by discs
    • G04C17/0058Indicating the time optically by electric means by discs with date indication
    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C17/00Indicating the time optically by electric means
    • G04C17/005Indicating the time optically by electric means by discs
    • G04C17/0058Indicating the time optically by electric means by discs with date indication
    • G04C17/0066Indicating the time optically by electric means by discs with date indication electromagnetically driven, e.g. intermittently
    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/14Electromechanical 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)

Abstract

PURPOSE: To provide a month end non-correcting mechanism of practical type by detecting the longer and shorter monthes in a calendar watch so that a step motor is turned backward or forwarded fast for a shorter month.
COPYRIGHT: (C)1979,JPO&Japio
JP8384677A 1977-07-13 1977-07-13 Watch requiring no correction of month end Pending JPS5436767A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP8384677A JPS5436767A (en) 1977-07-13 1977-07-13 Watch requiring no correction of month end
GB7829271A GB2004095B (en) 1977-07-13 1978-07-10 Calender timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8384677A JPS5436767A (en) 1977-07-13 1977-07-13 Watch requiring no correction of month end

Publications (1)

Publication Number Publication Date
JPS5436767A true JPS5436767A (en) 1979-03-17

Family

ID=13814058

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8384677A Pending JPS5436767A (en) 1977-07-13 1977-07-13 Watch requiring no correction of month end

Country Status (2)

Country Link
JP (1) JPS5436767A (en)
GB (1) GB2004095B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0667616U (en) * 1993-03-02 1994-09-22 鹿島建設株式会社 Brickwork structure
JP2003167072A (en) * 2001-11-30 2003-06-13 Rhythm Watch Co Ltd Calendar device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH695397A5 (en) * 2002-04-15 2006-04-28 Richemont Int Sa Device date display.
CN104020662A (en) * 2014-06-22 2014-09-03 管存忠 Electronic clock with year error absolute value smaller than one second

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0667616U (en) * 1993-03-02 1994-09-22 鹿島建設株式会社 Brickwork structure
JP2003167072A (en) * 2001-11-30 2003-06-13 Rhythm Watch Co Ltd Calendar device

Also Published As

Publication number Publication date
GB2004095B (en) 1982-01-20
GB2004095A (en) 1979-03-21

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