HK107097A - An IC chip for an analog electronic watch - Google Patents

An IC chip for an analog electronic watch

Info

Publication number
HK107097A
HK107097A HK107097A HK107097A HK107097A HK 107097 A HK107097 A HK 107097A HK 107097 A HK107097 A HK 107097A HK 107097 A HK107097 A HK 107097A HK 107097 A HK107097 A HK 107097A
Authority
HK
Hong Kong
Prior art keywords
chip
electronic watch
analog electronic
analog
watch
Prior art date
Application number
HK107097A
Inventor
Hiroshi Yabe
Tatsuo Moriya
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=15506245&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK107097(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of HK107097A publication Critical patent/HK107097A/en

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G99/00—Subject matter not provided for in other groups of this subclass
    • 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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C9/00—Electrically-actuated devices for setting the time-indicating means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Control Of Stepping Motors (AREA)
HK107097A 1988-06-17 1997-06-26 An IC chip for an analog electronic watch HK107097A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15087388 1988-06-17

Publications (1)

Publication Number Publication Date
HK107097A true HK107097A (en) 1997-08-22

Family

ID=15506245

Family Applications (1)

Application Number Title Priority Date Filing Date
HK107097A HK107097A (en) 1988-06-17 1997-06-26 An IC chip for an analog electronic watch

Country Status (6)

Country Link
EP (1) EP0347249B1 (en)
JP (3) JP3019324B2 (en)
KR (1) KR940008709B1 (en)
CN (1) CN1025458C (en)
DE (1) DE68915618T2 (en)
HK (1) HK107097A (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2685502A1 (en) * 1991-12-24 1993-06-25 Electrald Electronic clock for chess with analog display
DE69937375T2 (en) * 1998-09-10 2008-07-17 Seiko Epson Corp. Clock
JP2002048880A (en) * 2000-07-31 2002-02-15 Rhythm Watch Co Ltd Driving method for stepping motor for timepiece
CN1217158C (en) 2000-10-10 2005-08-31 松下电器产业株式会社 Flow measuring device
JP4729250B2 (en) * 2003-11-12 2011-07-20 シチズンホールディングス株式会社 Electronic clock
KR100698503B1 (en) 2005-01-21 2007-03-21 주식회사 여의시스템 A motor-controlling device using a microprocessor and a method therefor
DE602006005058D1 (en) * 2006-11-13 2009-03-19 Eta Sa Mft Horlogere Suisse A drive module comprising a MEMS micromotor, method of making this module, and clock equipped with this module
JP2011013120A (en) * 2009-07-02 2011-01-20 Seiko Instruments Inc Integrated circuit for electronic clock, and electronic clock
JP5212326B2 (en) * 2009-09-24 2013-06-19 カシオ計算機株式会社 Analog electronic clock
JP5490519B2 (en) * 2009-12-24 2014-05-14 セイコーインスツル株式会社 Chronograph clock
JP5540926B2 (en) * 2010-06-21 2014-07-02 カシオ計算機株式会社 Analog electronic clock
JP6410025B2 (en) * 2014-08-29 2018-10-24 カシオ計算機株式会社 Electronic clock
EP3256912A1 (en) * 2015-02-13 2017-12-20 Microdul AG Electronic circuit for controlling the operation of a watch
JP6423742B2 (en) * 2015-03-02 2018-11-14 シチズン時計株式会社 Electronic watch movement and electronic watch
JP6778573B2 (en) * 2016-09-30 2020-11-04 シチズン時計株式会社 Electronic clock
JP6778574B2 (en) * 2016-09-30 2020-11-04 シチズン時計株式会社 Electronic clock

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4382692A (en) * 1979-11-26 1983-05-10 Ebauches, S.A. Analog-display electronic timepiece comprising a divider with an adjustable division factor
JPS5914396A (en) * 1982-07-15 1984-01-25 Toshiba Corp Drive device for pulse motor
JPH0684991B2 (en) * 1984-01-13 1994-10-26 シチズン時計株式会社 Electronic clock
JPS6173085A (en) * 1984-09-18 1986-04-15 Citizen Watch Co Ltd Electronic timepiece with chronograph
JPH0648297B2 (en) * 1985-08-29 1994-06-22 カシオ計算機株式会社 Pointer-type alarm clock
JPS631992A (en) * 1986-06-20 1988-01-06 Seiko Instr & Electronics Ltd World time-piece
CH664868GA3 (en) * 1986-07-10 1988-04-15
GB2193011B (en) * 1986-07-21 1991-01-30 Schlumberger Ind Ltd Programmable time switch
CH665077GA3 (en) * 1986-10-15 1988-04-29
KR940005681B1 (en) * 1987-01-02 1994-06-22 모토로라 인코포레이티드 Method of controlling the display and control interface for combined watch and pager functions

Also Published As

Publication number Publication date
CN1038708A (en) 1990-01-10
JPH11194178A (en) 1999-07-21
DE68915618D1 (en) 1994-07-07
CN1025458C (en) 1994-07-13
DE68915618T2 (en) 1994-09-15
JPH0277679A (en) 1990-03-16
JP3259718B2 (en) 2002-02-25
KR900000740A (en) 1990-01-31
JP3019324B2 (en) 2000-03-13
EP0347249A3 (en) 1991-03-20
EP0347249B1 (en) 1994-06-01
KR940008709B1 (en) 1994-09-26
EP0347249A2 (en) 1989-12-20
JP2000046967A (en) 2000-02-18

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Legal Events

Date Code Title Description
PF Patent in force
PE Patent expired

Effective date: 20090615