DE68915618D1 - Integrated circuit chip for electronic analog clock. - Google Patents

Integrated circuit chip for electronic analog clock.

Info

Publication number
DE68915618D1
DE68915618D1 DE68915618T DE68915618T DE68915618D1 DE 68915618 D1 DE68915618 D1 DE 68915618D1 DE 68915618 T DE68915618 T DE 68915618T DE 68915618 T DE68915618 T DE 68915618T DE 68915618 D1 DE68915618 D1 DE 68915618D1
Authority
DE
Germany
Prior art keywords
integrated circuit
circuit chip
analog clock
electronic analog
electronic
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.)
Expired - Lifetime
Application number
DE68915618T
Other languages
German (de)
Other versions
DE68915618T2 (en
Inventor
Hiroshi C O Seiko Epson C Yabe
Tatsuo C O Seiko Epson Moriya
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
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=DE68915618(D1) "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
Application granted granted Critical
Publication of DE68915618D1 publication Critical patent/DE68915618D1/en
Publication of DE68915618T2 publication Critical patent/DE68915618T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
DE68915618T 1988-06-17 1989-06-16 Integrated circuit chip for electronic analog clock. Expired - Lifetime DE68915618T2 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DE68915618D1 true DE68915618D1 (en) 1994-07-07
DE68915618T2 DE68915618T2 (en) 1994-09-15

Family

ID=15506245

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68915618T Expired - Lifetime DE68915618T2 (en) 1988-06-17 1989-06-16 Integrated circuit chip for electronic analog clock.

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
US6567345B1 (en) 1998-09-10 2003-05-20 Seiko Epson Corporation Clocking device
JP2002048880A (en) * 2000-07-31 2002-02-15 Rhythm Watch Co Ltd Driving method for stepping motor for timepiece
KR100495970B1 (en) 2000-10-10 2005-06-17 마쯔시다덴기산교 가부시키가이샤 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
JP6668363B2 (en) * 2015-02-13 2020-03-18 ミクロドゥル アーゲー Electronic circuit for controlling the operation of the 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
JP6778574B2 (en) * 2016-09-30 2020-11-04 シチズン時計株式会社 Electronic clock
JP6778573B2 (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
DE3769156D1 (en) * 1987-01-02 1991-05-08 Motorola Inc CONTROL INTERFACE FOR COMBINED FUNCTIONS OF CLOCK AND PERSONAL SEARCH SYSTEM.

Also Published As

Publication number Publication date
JP3019324B2 (en) 2000-03-13
JP2000046967A (en) 2000-02-18
DE68915618T2 (en) 1994-09-15
EP0347249B1 (en) 1994-06-01
HK107097A (en) 1997-08-22
EP0347249A3 (en) 1991-03-20
CN1038708A (en) 1990-01-10
JPH0277679A (en) 1990-03-16
JP3259718B2 (en) 2002-02-25
JPH11194178A (en) 1999-07-21
KR900000740A (en) 1990-01-31
EP0347249A2 (en) 1989-12-20
CN1025458C (en) 1994-07-13
KR940008709B1 (en) 1994-09-26

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings