CH648179GA3 - - Google Patents

Download PDF

Info

Publication number
CH648179GA3
CH648179GA3 CH286682A CH286682A CH648179GA3 CH 648179G A3 CH648179G A3 CH 648179GA3 CH 286682 A CH286682 A CH 286682A CH 286682 A CH286682 A CH 286682A CH 648179G A3 CH648179G A3 CH 648179GA3
Authority
CH
Switzerland
Prior art keywords
rotor
pulse
rotated
motor
width
Prior art date
Application number
CH286682A
Other languages
English (en)
French (fr)
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
Priority claimed from JP6882581A external-priority patent/JPS57182680A/ja
Priority claimed from JP1864482A external-priority patent/JPS58140664A/ja
Application filed filed Critical
Publication of CH648179GA3 publication Critical patent/CH648179GA3/fr

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)
CH286682A 1981-05-07 1982-05-07 CH648179GA3 (en])

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6882581A JPS57182680A (en) 1981-05-07 1981-05-07 Analog electronic clock
JP1864482A JPS58140664A (ja) 1982-02-08 1982-02-08 アナログ電子時計

Publications (1)

Publication Number Publication Date
CH648179GA3 true CH648179GA3 (en]) 1985-03-15

Family

ID=26355353

Family Applications (1)

Application Number Title Priority Date Filing Date
CH286682A CH648179GA3 (en]) 1981-05-07 1982-05-07

Country Status (6)

Country Link
US (1) US4477196A (en])
CH (1) CH648179GA3 (en])
DE (1) DE3217207C2 (en])
GB (1) GB2101368B (en])
HK (1) HK73986A (en])
SG (1) SG53386G (en])

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69413668T2 (de) * 1993-01-18 1999-04-15 Seiko Instruments Inc., Tokio/Tokyo Zeitgeber
JPH07147798A (ja) * 1993-11-25 1995-06-06 Canon Inc ステッピングモータ制御装置
US5627444A (en) * 1995-05-30 1997-05-06 General Motors Corporation Switched reluctance motor control
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
US6046561A (en) * 1998-11-23 2000-04-04 General Motors Corporation Commutation control method for a switched reluctance machine
DE10159010B4 (de) * 2001-11-30 2011-11-10 Legrand-Bticino Gmbh Elektromechanische Schaltuhr
DE10314426B4 (de) * 2003-03-31 2006-09-14 Junghans Uhren Gmbh Verfahren zur Dreherkennung eines wenigstens einen Zeiger einer Uhr antreibenden Schrittmotors
JP2010154673A (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
EP2876508B1 (en) * 2012-07-23 2018-02-28 Citizen Watch Co., Ltd. Electronic clock
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
EP3574391A4 (en) * 2017-01-25 2020-09-16 Microsoft Technology Licensing, LLC STEPPER MOTOR FOR USE IN AN INPUT ROTATION CONTROL ASSEMBLY
JP2019047559A (ja) * 2017-08-30 2019-03-22 カシオ計算機株式会社 回転制御装置、電子時計および回転制御方法
JP7219094B2 (ja) * 2019-01-11 2023-02-07 セイコーインスツル株式会社 アナログ電子時計、ステッピングモータ制御装置及びアナログ電子時計の制御方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5240712A (en) * 1975-09-27 1977-03-29 Citizen Watch Co Ltd Pulse motor for electronic clocks
US4055785A (en) * 1976-01-12 1977-10-25 Fumio Nakajima Stepping motor for electronic timepiece
JPS53132380A (en) * 1977-04-23 1978-11-18 Seiko Instr & Electronics Ltd Electronic watch
JPS53132382A (en) * 1977-04-23 1978-11-18 Seiko Instr & Electronics Ltd Electronic watch
JPS53136870A (en) * 1977-04-23 1978-11-29 Seiko Instr & Electronics Ltd Electronic watch

Also Published As

Publication number Publication date
US4477196A (en) 1984-10-16
DE3217207A1 (de) 1982-11-25
HK73986A (en) 1986-10-10
GB2101368B (en) 1985-02-27
DE3217207C2 (de) 1985-12-12
SG53386G (en) 1988-01-15
GB2101368A (en) 1983-01-12

Similar Documents

Publication Publication Date Title
CH648179GA3 (en])
JPS59181999A (ja) ステツプ・モ−タ制御装置
EP0222916A4 (en) EXTERNAL MAGNETIC REFLECTOR FOR PHOTOMAGNETIC PLATES.
CH656776GA3 (en])
GB1492682A (en) Gyroscope with brushless dc motor
CH621231GA3 (en])
GB1161055A (en) Direct current motor.
JPS57142165A (en) Method and device for magnetizing permanent magnet rotary electric machine
DE3375841D1 (en) Reversible step motor and method of controlling the same
JPS53124706A (en) Dc motor
JPS5532427A (en) Circuit for driving motor
JPS5631396A (en) Driving system of pulse motor
JPS5358609A (en) Lead-lag controlling brush angle for dc brushless motor
JPS5288714A (en) Speed control circuit for brushless motor
JPS57113800A (en) Starting system of multiphase pulse motor
JPS5370313A (en) Poled motors
JPS5534802A (en) Dc brushless motor
JPS566687A (en) Brushless motor
JPS5676811A (en) Stop position control device for travelling object
JPS5467888A (en) Control rod driver
JPS6489996A (en) Speed controller for three phase synchronous motor
JPS5248008A (en) Motor
JPS5274808A (en) Pulse motor for clock
JPS52118512A (en) Braking circuit for dc brushless motor
KR910015423A (ko) 스태핑 모타 구동회로