JPS6154189B2 - - Google Patents
Info
- Publication number
- JPS6154189B2 JPS6154189B2 JP55063100A JP6310080A JPS6154189B2 JP S6154189 B2 JPS6154189 B2 JP S6154189B2 JP 55063100 A JP55063100 A JP 55063100A JP 6310080 A JP6310080 A JP 6310080A JP S6154189 B2 JPS6154189 B2 JP S6154189B2
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- signal
- gate
- detection
- circuit
- 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
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)
- Control Of Stepping Motors (AREA)
- Electromechanical Clocks (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6310080A JPS56158978A (en) | 1980-05-13 | 1980-05-13 | Electronic watch |
GB8113017A GB2076567B (en) | 1980-05-13 | 1981-04-28 | Electronic timepiece |
US06/259,156 US4460282A (en) | 1980-05-13 | 1981-04-30 | Timepiece stepping motor drive circuit with stepping failure compensation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6310080A JPS56158978A (en) | 1980-05-13 | 1980-05-13 | Electronic watch |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56158978A JPS56158978A (en) | 1981-12-08 |
JPS6154189B2 true JPS6154189B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-11-21 |
Family
ID=13219530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6310080A Granted JPS56158978A (en) | 1980-05-13 | 1980-05-13 | Electronic watch |
Country Status (3)
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010169656A (ja) * | 2008-12-25 | 2010-08-05 | 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 |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8203094A (nl) * | 1982-08-04 | 1984-03-01 | Philips Nv | Werkwijze voor het analyseren van de in een bekrachtigingsspoel van een stappenmotor geinduceerde spanning. |
JPS5980147A (ja) * | 1982-10-29 | 1984-05-09 | Rhythm Watch Co Ltd | 時計用小型モ−タ |
JPS6258189A (ja) * | 1985-09-09 | 1987-03-13 | Seiko Instr & Electronics Ltd | アナログ電子時計 |
US4851755A (en) * | 1988-03-01 | 1989-07-25 | Ampex Corporation | Low power stepper motor drive system and method |
JP3256342B2 (ja) * | 1993-08-04 | 2002-02-12 | ティーアールダブリュ オートモーティブ ジャパン株式会社 | ステッピングモータの脱調検出装置 |
DE19612597A1 (de) * | 1996-03-29 | 1997-10-02 | Fahrzeugklimaregelung Gmbh | Anschlags- und Blockiererkennung bei einem Schrittmotor |
DE19653460C2 (de) * | 1996-07-30 | 1999-10-28 | Elmos Semiconductor Ag | Verfahren zur sensorlosen Schritterkennung bei Schrittmotoren |
JP3541601B2 (ja) * | 1997-02-07 | 2004-07-14 | 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 |
JPH11127595A (ja) * | 1997-08-11 | 1999-05-11 | Seiko Epson Corp | 電子機器 |
JP4492262B2 (ja) * | 2004-09-10 | 2010-06-30 | カシオ計算機株式会社 | ステップモータの駆動回路 |
JP5065268B2 (ja) * | 2006-07-06 | 2012-10-31 | シチズンホールディングス株式会社 | 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 |
JP5394658B2 (ja) * | 2008-05-30 | 2014-01-22 | 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 |
JP5363168B2 (ja) * | 2008-06-17 | 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 |
JP2010220408A (ja) * | 2009-03-17 | 2010-09-30 | 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 |
EP2487549B1 (en) * | 2009-10-07 | 2020-07-08 | Citizen Watch Co., Ltd. | Electronic watch |
JP2012063346A (ja) * | 2010-08-19 | 2012-03-29 | 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 |
JP6162513B2 (ja) * | 2012-09-07 | 2017-07-12 | 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、ムーブメント及びアナログ電子時計 |
US8952646B2 (en) * | 2012-09-14 | 2015-02-10 | Hamilton Sundstrand Corporation | Stepper motor phase failure detection |
JP6287997B2 (ja) * | 2015-08-06 | 2018-03-07 | カシオ計算機株式会社 | モータ駆動装置および電子時計 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5321966A (en) * | 1976-08-12 | 1978-02-28 | Citizen Watch Co Ltd | Electric-mechanical converter driving circuit for timepiece |
JPS53118317A (en) * | 1977-03-26 | 1978-10-16 | Hitachi Koki Kk | Device for cutting paper for typewriter |
JPS5477169A (en) * | 1977-12-02 | 1979-06-20 | Seiko Instr & Electronics Ltd | Electronic watch |
JPS5515054A (en) * | 1978-07-19 | 1980-02-01 | Seiko Instr & Electronics Ltd | Electronic watch |
JPS5921493B2 (ja) * | 1978-09-12 | 1984-05-21 | セイコーインスツルメンツ株式会社 | 時計の輪列負荷測定器 |
JPS5539016A (en) * | 1978-09-12 | 1980-03-18 | Seiko Instr & Electronics Ltd | Electronic watch |
JPS5619473A (en) * | 1979-07-27 | 1981-02-24 | Citizen Watch Co Ltd | Electronic timepiece |
-
1980
- 1980-05-13 JP JP6310080A patent/JPS56158978A/ja active Granted
-
1981
- 1981-04-28 GB GB8113017A patent/GB2076567B/en not_active Expired
- 1981-04-30 US US06/259,156 patent/US4460282A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010169656A (ja) * | 2008-12-25 | 2010-08-05 | 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 |
Also Published As
Publication number | Publication date |
---|---|
JPS56158978A (en) | 1981-12-08 |
US4460282A (en) | 1984-07-17 |
GB2076567A (en) | 1981-12-02 |
GB2076567B (en) | 1983-10-26 |