DE68915618T2 - Integriertes Schaltungschip für elektronische Analoguhr. - Google Patents

Integriertes Schaltungschip für elektronische Analoguhr.

Info

Publication number
DE68915618T2
DE68915618T2 DE68915618T DE68915618T DE68915618T2 DE 68915618 T2 DE68915618 T2 DE 68915618T2 DE 68915618 T DE68915618 T DE 68915618T DE 68915618 T DE68915618 T DE 68915618T DE 68915618 T2 DE68915618 T2 DE 68915618T2
Authority
DE
Germany
Prior art keywords
drive
motor
circuit
signal
hand
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)
English (en)
Other versions
DE68915618D1 (de
Inventor
Tatsuo C O Seiko Epson Moriya
Hiroshi C O Seiko Epson C Yabe
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(T2) "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/de
Publication of DE68915618T2 publication Critical patent/DE68915618T2/de
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 Integriertes Schaltungschip für elektronische Analoguhr. Expired - Lifetime DE68915618T2 (de)

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=15506245

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68915618T Expired - Lifetime DE68915618T2 (de) 1988-06-17 1989-06-16 Integriertes Schaltungschip für elektronische Analoguhr.

Country Status (6)

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

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2685502A1 (fr) * 1991-12-24 1993-06-25 Electrald Pendule electronique pour jeu d'echecs a affichage analogique.
WO2000016171A1 (fr) * 1998-09-10 2000-03-23 Seiko Epson Corporation Dispositif de mesure du temps
JP2002048880A (ja) * 2000-07-31 2002-02-15 Rhythm Watch Co Ltd 時計用ステップモータの駆動方法
CN1217158C (zh) 2000-10-10 2005-08-31 松下电器产业株式会社 流量计
JP4729250B2 (ja) * 2003-11-12 2011-07-20 シチズンホールディングス株式会社 電子時計
KR100698503B1 (ko) 2005-01-21 2007-03-21 주식회사 여의시스템 마이크로프로세서를 이용한 모터구동제어장치 및 그 방법
ATE422068T1 (de) * 2006-11-13 2009-02-15 Eta Sa Mft Horlogere Suisse Einen mems-mikromotor umfassendes antriebsmodul, verfahren zur herstellung dieses moduls und mit diesem modul ausgerüstete uhr
JP2011013120A (ja) * 2009-07-02 2011-01-20 Seiko Instruments Inc 電子時計用集積回路及び電子時計
JP5212326B2 (ja) * 2009-09-24 2013-06-19 カシオ計算機株式会社 アナログ電子時計
JP5490519B2 (ja) * 2009-12-24 2014-05-14 セイコーインスツル株式会社 クロノグラフ時計
JP5540926B2 (ja) * 2010-06-21 2014-07-02 カシオ計算機株式会社 アナログ電子時計
JP6410025B2 (ja) * 2014-08-29 2018-10-24 カシオ計算機株式会社 電子時計
WO2016128578A1 (en) * 2015-02-13 2016-08-18 Microdul Ag Electronic circuit for controlling the operation of a watch
JP6423742B2 (ja) * 2015-03-02 2018-11-14 シチズン時計株式会社 電子時計のムーブメント及び電子時計
JP6778574B2 (ja) * 2016-09-30 2020-11-04 シチズン時計株式会社 電子時計
JP6778573B2 (ja) * 2016-09-30 2020-11-04 シチズン時計株式会社 電子時計

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 (ja) * 1982-07-15 1984-01-25 Toshiba Corp パルスモ−タ駆動装置
JPH0684991B2 (ja) * 1984-01-13 1994-10-26 シチズン時計株式会社 電子時計
JPS6173085A (ja) * 1984-09-18 1986-04-15 Citizen Watch Co Ltd クロノグラフ付電子時計
JPH0648297B2 (ja) * 1985-08-29 1994-06-22 カシオ計算機株式会社 指針式アラ−ム時計
JPS631992A (ja) * 1986-06-20 1988-01-06 Seiko Instr & Electronics Ltd 世界時計
CH664868GA3 (ja) * 1986-07-10 1988-04-15
GB2193011B (en) * 1986-07-21 1991-01-30 Schlumberger Ind Ltd Programmable time switch
CH665077GA3 (ja) * 1986-10-15 1988-04-29
DE3769156D1 (de) * 1987-01-02 1991-05-08 Motorola Inc Kontrollschnittstelle fuer kombinierte funktionen von uhr und personensuchanlage.

Also Published As

Publication number Publication date
HK107097A (en) 1997-08-22
EP0347249A3 (en) 1991-03-20
DE68915618D1 (de) 1994-07-07
EP0347249B1 (en) 1994-06-01
JPH11194178A (ja) 1999-07-21
KR940008709B1 (ko) 1994-09-26
JP3259718B2 (ja) 2002-02-25
EP0347249A2 (en) 1989-12-20
CN1025458C (zh) 1994-07-13
KR900000740A (ko) 1990-01-31
CN1038708A (zh) 1990-01-10
JP2000046967A (ja) 2000-02-18
JP3019324B2 (ja) 2000-03-13
JPH0277679A (ja) 1990-03-16

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Legal Events

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