SG53386G - Improvements in or relating to pluse actuated stepping motor driven electronic timepieces - Google Patents

Improvements in or relating to pluse actuated stepping motor driven electronic timepieces

Info

Publication number
SG53386G
SG53386G SG533/86A SG53386A SG53386G SG 53386 G SG53386 G SG 53386G SG 533/86 A SG533/86 A SG 533/86A SG 53386 A SG53386 A SG 53386A SG 53386 G SG53386 G SG 53386G
Authority
SG
Singapore
Prior art keywords
rotor
pulse
rotated
motor
pluse
Prior art date
Application number
SG533/86A
Other languages
English (en)
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
Priority claimed from JP6882581A external-priority patent/JPS57182680A/ja
Priority claimed from JP1864482A external-priority patent/JPS58140664A/ja
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of SG53386G publication Critical patent/SG53386G/en

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)
SG533/86A 1981-05-07 1986-06-12 Improvements in or relating to pluse actuated stepping motor driven electronic timepieces SG53386G (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
SG53386G true SG53386G (en) 1988-01-15

Family

ID=26355353

Family Applications (1)

Application Number Title Priority Date Filing Date
SG533/86A SG53386G (en) 1981-05-07 1986-06-12 Improvements in or relating to pluse actuated stepping motor driven electronic timepieces

Country Status (6)

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

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3299756B2 (ja) * 1993-01-18 2002-07-08 セイコーインスツルメンツ株式会社 電子時計
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
JP6076344B2 (ja) * 2012-07-23 2017-02-08 シチズン時計株式会社 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
WO2018137179A1 (en) 2017-01-25 2018-08-02 Microsoft Technology Licensing, Llc. Stepper motor for use in rotary control assembly of input device
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
JPS53132382A (en) * 1977-04-23 1978-11-18 Seiko Instr & Electronics Ltd Electronic watch
JPS53132380A (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
DE3217207C2 (de) 1985-12-12
GB2101368B (en) 1985-02-27
CH648179GA3 (https=) 1985-03-15
DE3217207A1 (de) 1982-11-25
US4477196A (en) 1984-10-16
GB2101368A (en) 1983-01-12
HK73986A (en) 1986-10-10

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