DE69325689D1 - Elektronische uhr mit zeigeranzeige - Google Patents

Elektronische uhr mit zeigeranzeige

Info

Publication number
DE69325689D1
DE69325689D1 DE69325689T DE69325689T DE69325689D1 DE 69325689 D1 DE69325689 D1 DE 69325689D1 DE 69325689 T DE69325689 T DE 69325689T DE 69325689 T DE69325689 T DE 69325689T DE 69325689 D1 DE69325689 D1 DE 69325689D1
Authority
DE
Germany
Prior art keywords
electronic clock
point indicator
indicator
point
clock
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
DE69325689T
Other languages
English (en)
Other versions
DE69325689T2 (de
Inventor
Kiyotaka Igarashi
Kenji Fujita
Kunikazu Mochida
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.)
Citizen Holdings Co Ltd
Original Assignee
Citizen Watch Co Ltd
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 Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Application granted granted Critical
Publication of DE69325689D1 publication Critical patent/DE69325689D1/de
Publication of DE69325689T2 publication Critical patent/DE69325689T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G04C10/00—Arrangements of electric power supplies in time pieces
    • G04C10/04—Arrangements of electric power supplies in time pieces with means for indicating the condition of the power supply
    • 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
    • G04C3/146—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor incorporating two or more stepping motors or rotors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromechanical Clocks (AREA)
DE69325689T 1992-04-27 1993-04-27 Elektronische uhr mit zeigeranzeige Expired - Lifetime DE69325689T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP10791592 1992-04-27
JP10791692 1992-04-27
JP31792292 1992-11-04
JP34134292 1992-11-27
PCT/JP1993/000551 WO1993022712A1 (fr) 1992-04-27 1993-04-27 Montre electronique a aiguilles

Publications (2)

Publication Number Publication Date
DE69325689D1 true DE69325689D1 (de) 1999-08-26
DE69325689T2 DE69325689T2 (de) 2000-04-06

Family

ID=27469576

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69325689T Expired - Lifetime DE69325689T2 (de) 1992-04-27 1993-04-27 Elektronische uhr mit zeigeranzeige

Country Status (5)

Country Link
US (1) US6072752A (de)
EP (1) EP0591557B1 (de)
JP (1) JP3526574B2 (de)
DE (1) DE69325689T2 (de)
WO (1) WO1993022712A1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3564207B2 (ja) * 1995-08-31 2004-09-08 セイコーエプソン株式会社 携帯用電子機器
EP0982637A1 (de) * 1995-09-26 2000-03-01 Citizen Watch Co. Ltd. Elektronische Uhr
EP0841603B1 (de) * 1996-05-24 2001-09-19 Citizen Watch Co. Ltd. Analoge elektronische zeitmessvorrichting
CH691090A5 (fr) * 1997-01-23 2001-04-12 Ebauchesfabrik Eta Ag Montre comportant des moyens de détection de l'insuffisance de la source d'alimentation.
DE29718454U1 (de) * 1997-10-17 1999-02-11 Junghans Uhren Gmbh, 78713 Schramberg Solarbetriebene Funkuhr
US6616328B1 (en) * 1999-10-26 2003-09-09 Seiko Instruments Inc. High accuracy timepiece
WO2002014960A2 (en) * 2000-08-11 2002-02-21 Seiko Epson Corporation Electronic apparatus and method of controlling the electronic apparatus
US20050105400A1 (en) * 2003-11-17 2005-05-19 Tai Wai Luk Electronic timepiece with analog display and a method of operating same
ATE452355T1 (de) * 2006-05-18 2010-01-15 Microcomponents Ag Analoge anzeige und uhr für kraftfahrzeuge
US7598683B1 (en) 2007-07-31 2009-10-06 Lsi Industries, Inc. Control of light intensity using pulses of a fixed duration and frequency
US8604709B2 (en) 2007-07-31 2013-12-10 Lsi Industries, Inc. Methods and systems for controlling electrical power to DC loads
US8903577B2 (en) 2009-10-30 2014-12-02 Lsi Industries, Inc. Traction system for electrically powered vehicles
JP6003027B2 (ja) * 2011-08-30 2016-10-05 カシオ計算機株式会社 文字板構造及び腕時計
JP2016206057A (ja) * 2015-04-24 2016-12-08 セイコーエプソン株式会社 電子時計
US9639064B2 (en) 2015-09-18 2017-05-02 Timex Group Usa, Inc. Wearable electronic device with hand synchronization
JP6668781B2 (ja) 2016-01-26 2020-03-18 セイコーエプソン株式会社 電子時計
JP6668873B2 (ja) * 2016-03-28 2020-03-18 セイコーエプソン株式会社 電子時計
JP7073849B2 (ja) * 2018-03-29 2022-05-24 セイコーエプソン株式会社 モーター制御回路、ムーブメント、電子時計
JP7081268B2 (ja) * 2018-03-29 2022-06-07 セイコーエプソン株式会社 モーター制御回路、ムーブメント、電子時計
JP7225766B2 (ja) * 2018-12-18 2023-02-21 セイコーエプソン株式会社 電子時計、ムーブメントおよびモーター制御回路
JP7302321B2 (ja) * 2019-06-18 2023-07-04 セイコーエプソン株式会社 電子時計、ムーブメント、モーター制御回路および電子時計の制御方法
JP7318538B2 (ja) * 2020-01-09 2023-08-01 セイコーエプソン株式会社 時計用モーター制御回路、ムーブメント、電子時計および時計用モーター制御方法
JP7435353B2 (ja) 2020-08-06 2024-02-21 セイコーエプソン株式会社 電子時計の制御方法および電子時計

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54140570A (en) * 1978-04-24 1979-10-31 Hitachi Ltd Electronic watch
JPS5589779A (en) * 1978-12-28 1980-07-07 Seikosha Co Ltd Watch unit
JPS5713382A (en) * 1980-06-28 1982-01-23 Citizen Watch Co Ltd Power source circuit for electronic clock
JPS57201883A (en) * 1981-06-08 1982-12-10 Seikosha Co Ltd Timepiece
JPS5814077A (ja) * 1981-07-18 1983-01-26 Ricoh Elemex Corp アナログ電子時計
JPS57136185A (en) * 1981-11-26 1982-08-23 Seiko Epson Corp Electronic watch with auxiliary cell
DE3200409A1 (de) * 1982-01-09 1983-07-21 Wolfgang Dr.-Ing. 6101 Groß-Bieberau Hilberg "funkgesteuerte zeigeruhr"
JPS58182575A (ja) * 1982-04-20 1983-10-25 Citizen Watch Co Ltd 電子時計
JPS5918477A (ja) * 1982-07-22 1984-01-30 Seiko Epson Corp 指針表示ストツプウオツチ
JPH06103349B2 (ja) * 1983-01-28 1994-12-14 セイコーエプソン株式会社 アナログ電子時計
JPS618394A (ja) * 1984-06-21 1986-01-16 須藤　重三郎 自書性棒状固型筆記具の構造
JPS6138421A (ja) * 1984-07-30 1986-02-24 Oval Eng Co Ltd 渦流量計
JPS6161637A (ja) * 1984-09-04 1986-03-29 Mitsubishi Heavy Ind Ltd メタノ−ル改質用触媒
EP0297195A1 (de) * 1987-06-29 1989-01-04 Paolo Spadini Vielfachanzeigeuhr
JPH0314150A (ja) * 1989-06-13 1991-01-22 Hitachi Maxell Ltd メモリカード
JPH0345409A (ja) * 1989-07-12 1991-02-27 Isuzu Motors Ltd トレーリング式リヤサスペンション
JP3057340B2 (ja) * 1992-03-12 2000-06-26 セイコーインスツルメンツ株式会社 電子時計

Also Published As

Publication number Publication date
DE69325689T2 (de) 2000-04-06
EP0591557A4 (en) 1996-01-03
JP3526574B2 (ja) 2004-05-17
US6072752A (en) 2000-06-06
EP0591557A1 (de) 1994-04-13
EP0591557B1 (de) 1999-07-21
WO1993022712A1 (fr) 1993-11-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE RUFF, WILHELM, BEIER, DAUSTER & PARTNER, 70173 STUTTGART

8327 Change in the person/name/address of the patent owner

Owner name: CITIZEN HOLDINGS CO., LTD., NISHITOKYO, TOKIO/, JP