JP7205073B2 - 電子時計 - Google Patents

電子時計 Download PDF

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Publication number
JP7205073B2
JP7205073B2 JP2018082327A JP2018082327A JP7205073B2 JP 7205073 B2 JP7205073 B2 JP 7205073B2 JP 2018082327 A JP2018082327 A JP 2018082327A JP 2018082327 A JP2018082327 A JP 2018082327A JP 7205073 B2 JP7205073 B2 JP 7205073B2
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JP
Japan
Prior art keywords
wheel
position detection
needle
hand
date
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.)
Active
Application number
JP2018082327A
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English (en)
Japanese (ja)
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JP2019190938A (ja
JP2019190938A5 (cg-RX-API-DMAC7.html
Inventor
智敏 手塚
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
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP2018082327A priority Critical patent/JP7205073B2/ja
Priority to CN201910313408.7A priority patent/CN110389523B/zh
Priority to US16/390,059 priority patent/US20190324406A1/en
Publication of JP2019190938A publication Critical patent/JP2019190938A/ja
Publication of JP2019190938A5 publication Critical patent/JP2019190938A5/ja
Application granted granted Critical
Publication of JP7205073B2 publication Critical patent/JP7205073B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C17/00—Indicating the time optically by electric means
    • G04C17/005—Indicating the time optically by electric means by discs
    • G04C17/0058—Indicating the time optically by electric means by discs with date indication
    • G04C17/0066—Indicating the time optically by electric means by discs with date indication electromagnetically driven, e.g. intermittently
    • 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
    • G04C3/16—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating an electro-dynamic continuously rotating motor
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C9/00—Electrically-actuated devices for setting the time-indicating means
    • G04C9/08—Electrically-actuated devices for setting the time-indicating means by electric drive
    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
    • G—PHYSICS
    • G04—HOROLOGY
    • G04R—RADIO-CONTROLLED TIME-PIECES
    • G04R20/00—Setting the time according to the time information carried or implied by the radio signal
    • G—PHYSICS
    • G04—HOROLOGY
    • G04R—RADIO-CONTROLLED TIME-PIECES
    • G04R20/00—Setting the time according to the time information carried or implied by the radio signal
    • G04R20/02—Setting the time according to the time information carried or implied by the radio signal the radio signal being sent by a satellite, e.g. GPS
    • G—PHYSICS
    • G04—HOROLOGY
    • G04R—RADIO-CONTROLLED TIME-PIECES
    • G04R60/00—Constructional details
    • G04R60/14—Constructional details specific to electromechanical timepieces, e.g. moving parts thereof

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Electromechanical Clocks (AREA)
JP2018082327A 2018-04-23 2018-04-23 電子時計 Active JP7205073B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2018082327A JP7205073B2 (ja) 2018-04-23 2018-04-23 電子時計
CN201910313408.7A CN110389523B (zh) 2018-04-23 2019-04-18 电子钟表
US16/390,059 US20190324406A1 (en) 2018-04-23 2019-04-22 Electronic timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018082327A JP7205073B2 (ja) 2018-04-23 2018-04-23 電子時計

Publications (3)

Publication Number Publication Date
JP2019190938A JP2019190938A (ja) 2019-10-31
JP2019190938A5 JP2019190938A5 (cg-RX-API-DMAC7.html) 2021-04-30
JP7205073B2 true JP7205073B2 (ja) 2023-01-17

Family

ID=68236345

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018082327A Active JP7205073B2 (ja) 2018-04-23 2018-04-23 電子時計

Country Status (3)

Country Link
US (1) US20190324406A1 (cg-RX-API-DMAC7.html)
JP (1) JP7205073B2 (cg-RX-API-DMAC7.html)
CN (1) CN110389523B (cg-RX-API-DMAC7.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7102778B2 (ja) * 2018-02-27 2022-07-20 セイコーエプソン株式会社 時計用ムーブメントおよび時計
JP7494472B2 (ja) * 2020-01-21 2024-06-04 セイコーエプソン株式会社 電子時計および電子時計の制御方法
JP7127658B2 (ja) * 2020-02-04 2022-08-30 カシオ計算機株式会社 電子時計、指針表示制御方法及びプログラム

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4253173A (en) 1979-10-15 1981-02-24 Societe Suisse Pour L'industrie Horlogere Management Services S.A. Dual display synchronization system for a timepiece
US20140286138A1 (en) 2013-03-21 2014-09-25 Casio Computer Co., Ltd. Analog electronic timepiece
JP2016191603A (ja) 2015-03-31 2016-11-10 シチズンホールディングス株式会社 アナログ電子時計及びアナログ電子時計の制御方法

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD277540A1 (de) * 1988-11-30 1990-04-04 Ruhla Uhren Veb K Raederwerk
JP3363235B2 (ja) * 1994-02-17 2003-01-08 コニカ株式会社 画像形成装置の光ビームずれ検出装置
JP3357209B2 (ja) * 1994-11-30 2002-12-16 アマノ株式会社 アナログ時計ムーブメントに於けるホームポジション検出装置
EP0809160B1 (en) * 1995-12-06 2001-11-07 Citizen Watch Co., Ltd. Radio-calibrated timepiece
CN1132079C (zh) * 1997-04-25 2003-12-24 精工电子有限公司 电子表
US6868046B2 (en) * 2000-11-17 2005-03-15 Asulab S.A. Electronic watch including capacitive keys on its crystal
CN1111767C (zh) * 2000-12-22 2003-06-18 彭光中 一种无线对时钟定时的对时方法
TW558676B (en) * 2002-08-02 2003-10-21 Chih-Hao Yiu Device for detecting angular position
JP4185779B2 (ja) * 2003-01-20 2008-11-26 リズム時計工業株式会社 電波修正時計
CN1701283A (zh) * 2003-07-04 2005-11-23 精工爱普生株式会社 时刻校正系统、时刻校正指示装置、指针式表、及时刻校正方法
JP4715176B2 (ja) * 2004-11-29 2011-07-06 セイコーエプソン株式会社 電子時計
JP4650472B2 (ja) * 2007-09-28 2011-03-16 カシオ計算機株式会社 針位置検出装置
JP4488049B2 (ja) * 2007-09-28 2010-06-23 カシオ計算機株式会社 針位置検出装置
CN201159838Y (zh) * 2007-10-08 2008-12-03 福建省昇邦电子科技有限公司 一种电波钟机芯
JP4468997B2 (ja) * 2008-02-05 2010-05-26 セイコークロック株式会社 指針位置検出装置、時計及び指針位置検出方法
JP2010203828A (ja) * 2009-03-02 2010-09-16 Casio Computer Co Ltd 指針式時計
JP2010281773A (ja) * 2009-06-08 2010-12-16 Casio Computer Co Ltd 回転位置検出装置および指針時計
JP4985752B2 (ja) * 2009-12-10 2012-07-25 カシオ計算機株式会社 針位置検出装置および電子時計
JP5170172B2 (ja) * 2010-06-24 2013-03-27 カシオ計算機株式会社 多針付電子機器
JP5099181B2 (ja) * 2010-06-24 2012-12-12 カシオ計算機株式会社 多針付電子機器
EP2869140B1 (fr) * 2013-10-30 2016-04-06 The Swatch Group Research and Development Ltd. Dispositif de détection de la position des aiguilles d'une montre
EP3128378B1 (en) * 2014-04-01 2019-11-27 Citizen Watch Co., Ltd. Timepiece
DE102014207118A1 (de) * 2014-04-14 2015-10-15 Prüftechnik Dieter Busch AG Verfahren und Meßsystem zum Ermitteln der Ausrichtung einer ersten Riemenscheibe eines Riemenantriebs in Bezug auf eine zweite Riemenscheibe des Riemenantriebs
JP2015004684A (ja) * 2014-09-03 2015-01-08 カシオ計算機株式会社 多針付電子機器
CN105607457B (zh) * 2014-11-20 2019-09-13 南京中兴新软件有限责任公司 一种智能手表屏幕解锁的方法、装置及智能手表
JP6546037B2 (ja) * 2015-08-21 2019-07-17 セイコーインスツル株式会社 ムーブメントおよび電子時計
JP6047223B1 (ja) * 2015-12-22 2016-12-21 セイコークロック株式会社 指針位置検出構造および時計
CN107703728B (zh) * 2017-10-18 2020-05-19 广东乐芯智能科技有限公司 一种手表指针至预设位置的方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4253173A (en) 1979-10-15 1981-02-24 Societe Suisse Pour L'industrie Horlogere Management Services S.A. Dual display synchronization system for a timepiece
US20140286138A1 (en) 2013-03-21 2014-09-25 Casio Computer Co., Ltd. Analog electronic timepiece
JP2014182074A (ja) 2013-03-21 2014-09-29 Casio Comput Co Ltd アナログ電子時計
JP2016191603A (ja) 2015-03-31 2016-11-10 シチズンホールディングス株式会社 アナログ電子時計及びアナログ電子時計の制御方法

Also Published As

Publication number Publication date
CN110389523B (zh) 2022-08-16
CN110389523A (zh) 2019-10-29
JP2019190938A (ja) 2019-10-31
US20190324406A1 (en) 2019-10-24

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