DE69413668T2 - Zeitgeber - Google Patents
ZeitgeberInfo
- Publication number
- DE69413668T2 DE69413668T2 DE69413668T DE69413668T DE69413668T2 DE 69413668 T2 DE69413668 T2 DE 69413668T2 DE 69413668 T DE69413668 T DE 69413668T DE 69413668 T DE69413668 T DE 69413668T DE 69413668 T2 DE69413668 T2 DE 69413668T2
- Authority
- DE
- Germany
- Prior art keywords
- timer
- 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 - Fee Related
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
- G04C3/143—Means to reduce power consumption by reducing pulse width or amplitude and related problems, e.g. detection of unwanted or missing step
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Control Of Stepping Motors (AREA)
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP616393 | 1993-01-18 | ||
JP2431193 | 1993-02-12 | ||
JP4418293 | 1993-03-04 | ||
JP5111193 | 1993-03-11 | ||
JP6712793 | 1993-03-25 | ||
JP8766093 | 1993-04-14 | ||
JP24820493 | 1993-10-04 | ||
PCT/JP1994/000030 WO1994016365A1 (en) | 1993-01-18 | 1994-01-12 | Electronic timepiece |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69413668D1 DE69413668D1 (de) | 1998-11-05 |
DE69413668T2 true DE69413668T2 (de) | 1999-04-15 |
Family
ID=27563345
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69413668T Expired - Fee Related DE69413668T2 (de) | 1993-01-18 | 1994-01-12 | Zeitgeber |
Country Status (6)
Country | Link |
---|---|
US (1) | US5550795A (de) |
EP (1) | EP0679967B1 (de) |
JP (1) | JP3299756B2 (de) |
CN (1) | CN1056243C (de) |
DE (1) | DE69413668T2 (de) |
WO (1) | WO1994016365A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10314426A1 (de) * | 2003-03-31 | 2004-10-28 | Junghans Uhren Gmbh | Verfahren zur Dreherkennung eines wenigstens einen Zeiger einer Uhr antreibenden Schrittmotors |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3508444B2 (ja) * | 1997-02-07 | 2004-03-22 | セイコーエプソン株式会社 | ステッピングモーターの制御装置、その制御方法および計時装置 |
WO2005119377A1 (ja) * | 2004-06-04 | 2005-12-15 | Seiko Instruments Inc. | アナログ電子時計及びモータ制御回路 |
JP2006226927A (ja) * | 2005-02-21 | 2006-08-31 | Seiko Instruments Inc | ステップモータ駆動装置及びアナログ電子時計 |
JP5363167B2 (ja) * | 2008-05-29 | 2013-12-11 | セイコーインスツル株式会社 | ステッピングモータ制御回路及びアナログ電子時計 |
US8111033B2 (en) * | 2008-06-17 | 2012-02-07 | Seiko Instruments Inc. | Stepping motor control circuit and analog electronic timepiece |
JP2010145106A (ja) * | 2008-12-16 | 2010-07-01 | Seiko Instruments Inc | ステッピングモータ制御回路及びアナログ電子時計 |
JP5363269B2 (ja) * | 2008-12-25 | 2013-12-11 | セイコーインスツル株式会社 | ステッピングモータ制御回路及びアナログ電子時計 |
JP2010151641A (ja) * | 2008-12-25 | 2010-07-08 | Seiko Instruments Inc | ステッピングモータ制御回路及びアナログ電子時計 |
JP2011075463A (ja) * | 2009-09-30 | 2011-04-14 | Seiko Instruments Inc | ステッピングモータ制御回路及びアナログ電子時計 |
JP2011101576A (ja) * | 2009-10-06 | 2011-05-19 | Seiko Instruments Inc | ステッピングモータ制御回路及びアナログ電子時計 |
JP2011169650A (ja) * | 2010-02-16 | 2011-09-01 | Seiko Instruments Inc | ステッピングモータ制御回路及びアナログ電子時計 |
CN108027585B (zh) * | 2015-09-09 | 2020-10-23 | 西铁城时计株式会社 | 双线圈步进电机用驱动电路 |
JP2017163766A (ja) | 2016-03-11 | 2017-09-14 | カシオ計算機株式会社 | ステッピングモータ駆動装置、ステッピングモータの駆動方法、ステッピングモータ駆動プログラム、及び電子時計 |
JP7242306B2 (ja) * | 2019-01-11 | 2023-03-20 | セイコーインスツル株式会社 | 時計及び時計用モータ制御方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5319944B2 (de) * | 1971-09-25 | 1978-06-23 | ||
JPS5345575A (en) * | 1976-10-06 | 1978-04-24 | Seiko Epson Corp | Electronic wristwatch |
JPS5548682A (en) * | 1978-10-04 | 1980-04-07 | Seiko Instr & Electronics Ltd | Measuring device for electronic watch |
CH644983GA3 (de) * | 1981-03-31 | 1984-09-14 | ||
DE3214543A1 (de) * | 1981-04-23 | 1982-11-11 | Kabushiki Kaisha Suwa Seikosha, Tokyo | Elektronische analoguhr |
JPS58140664A (ja) * | 1982-02-08 | 1983-08-20 | Seiko Epson Corp | アナログ電子時計 |
US4477196A (en) * | 1981-05-07 | 1984-10-16 | Kabushiki Kaisha Suwa Seikosha | Analog electronic timepiece |
JPS5866089A (ja) * | 1981-10-15 | 1983-04-20 | Seikosha Co Ltd | 電子時計 |
JP2506477Y2 (ja) * | 1988-07-26 | 1996-08-07 | セイコーエプソン株式会社 | アナログ電子時計 |
-
1994
- 1994-01-12 EP EP94904307A patent/EP0679967B1/de not_active Expired - Lifetime
- 1994-01-12 DE DE69413668T patent/DE69413668T2/de not_active Expired - Fee Related
- 1994-01-12 WO PCT/JP1994/000030 patent/WO1994016365A1/ja active IP Right Grant
- 1994-01-12 JP JP51587294A patent/JP3299756B2/ja not_active Expired - Lifetime
- 1994-01-12 US US08/302,923 patent/US5550795A/en not_active Expired - Lifetime
- 1994-01-12 CN CN94191390.2A patent/CN1056243C/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10314426A1 (de) * | 2003-03-31 | 2004-10-28 | Junghans Uhren Gmbh | Verfahren zur Dreherkennung eines wenigstens einen Zeiger einer Uhr antreibenden Schrittmotors |
DE10314426B4 (de) * | 2003-03-31 | 2006-09-14 | Junghans Uhren Gmbh | Verfahren zur Dreherkennung eines wenigstens einen Zeiger einer Uhr antreibenden Schrittmotors |
Also Published As
Publication number | Publication date |
---|---|
DE69413668D1 (de) | 1998-11-05 |
CN1119043A (zh) | 1996-03-20 |
EP0679967A4 (de) | 1997-02-26 |
EP0679967B1 (de) | 1998-09-30 |
JP3299756B2 (ja) | 2002-07-08 |
EP0679967A1 (de) | 1995-11-02 |
US5550795A (en) | 1996-08-27 |
CN1056243C (zh) | 2000-09-06 |
WO1994016365A1 (en) | 1994-07-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |