CH672043GA3 - - Google Patents

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Publication number
CH672043GA3
CH672043GA3 CH51388A CH51388A CH672043GA3 CH 672043G A3 CH672043G A3 CH 672043GA3 CH 51388 A CH51388 A CH 51388A CH 51388 A CH51388 A CH 51388A CH 672043G A3 CH672043G A3 CH 672043GA3
Authority
CH
Switzerland
Prior art keywords
voltage
pulses
battery
control circuit
driving
Prior art date
Application number
CH51388A
Other languages
English (en)
Other versions
CH672043B5 (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
Application filed filed Critical
Priority to CH513/88A priority Critical patent/CH672043B5/fr
Priority to DE8989101879T priority patent/DE68900226D1/de
Priority to EP89101879A priority patent/EP0327989B1/fr
Priority to JP1031250A priority patent/JP2905856B2/ja
Publication of CH672043GA3 publication Critical patent/CH672043GA3/fr
Publication of CH672043B5 publication Critical patent/CH672043B5/fr
Priority to US07/585,797 priority patent/US5237254A/en
Priority to SG117994A priority patent/SG117994G/en
Priority to HK142594A priority patent/HK142594A/xx

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)
CH513/88A 1988-02-12 1988-02-12 CH672043B5 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CH513/88A CH672043B5 (fr) 1988-02-12 1988-02-12
DE8989101879T DE68900226D1 (de) 1988-02-12 1989-02-03 Regelkreis fuer einen schrittmotor, insbesondere fuer uhren.
EP89101879A EP0327989B1 (fr) 1988-02-12 1989-02-03 Circuit de commande d'un moteur pas-à-pas, notamment pour montre
JP1031250A JP2905856B2 (ja) 1988-02-12 1989-02-13 ステッピングモータの制御回路
US07/585,797 US5237254A (en) 1988-02-12 1990-09-20 Control circuit for a stepping motor
SG117994A SG117994G (en) 1988-02-12 1994-08-19 Stepper motor control circuit, especially for watches
HK142594A HK142594A (en) 1988-02-12 1994-12-15 Stepper motor control circuit, especially for watches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH513/88A CH672043B5 (fr) 1988-02-12 1988-02-12

Publications (2)

Publication Number Publication Date
CH672043GA3 true CH672043GA3 (fr) 1989-10-31
CH672043B5 CH672043B5 (fr) 1990-04-30

Family

ID=4188724

Family Applications (1)

Application Number Title Priority Date Filing Date
CH513/88A CH672043B5 (fr) 1988-02-12 1988-02-12

Country Status (5)

Country Link
EP (1) EP0327989B1 (fr)
JP (1) JP2905856B2 (fr)
CH (1) CH672043B5 (fr)
DE (1) DE68900226D1 (fr)
HK (1) HK142594A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0704774B1 (fr) * 1994-04-06 1999-08-25 Citizen Watch Co., Ltd. Rythmeur electronique
JP5265821B1 (ja) 2013-01-28 2013-08-14 日本食品化工株式会社 油脂加工澱粉およびその製造方法
JP7066361B2 (ja) * 2017-09-21 2022-05-13 セイコーインスツル株式会社 時計、電子機器、および時計の制御方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4381481A (en) * 1979-11-07 1983-04-26 Gebruder Junghans Gmbh Control circuit for a stepping motor in battery-operated instruments
JPS5979886A (ja) * 1982-10-29 1984-05-09 Rhythm Watch Co Ltd 時計のモ−タ駆動回路
EP0140089A1 (fr) * 1983-09-16 1985-05-08 Omega SA Procédé d'alimentation d'un moteur pas à pas

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5676078A (en) * 1979-11-28 1981-06-23 Citizen Watch Co Ltd Circuit for electronic time piece
US4383209A (en) * 1980-10-15 1983-05-10 Minnesota Mining And Manufacturing Company Control system for transducer positioning motor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4381481A (en) * 1979-11-07 1983-04-26 Gebruder Junghans Gmbh Control circuit for a stepping motor in battery-operated instruments
JPS5979886A (ja) * 1982-10-29 1984-05-09 Rhythm Watch Co Ltd 時計のモ−タ駆動回路
EP0140089A1 (fr) * 1983-09-16 1985-05-08 Omega SA Procédé d'alimentation d'un moteur pas à pas

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 8, no. 192 (P-298)[1629], 4 septembre 1984; & JP-A-59 079 886 (RHYTHM TOKEI KOGYO K.K.) 09-05-1984 *
XIe CONGRES INTERNATIONAL DE CHRONOMETRIE, Besançon, 4-6 octobre 1984, vol. 1, pages 129-132; M. ACKERMANN: "Geregelte Mikroschrittmotore in Quarzanaloguhren" *

Also Published As

Publication number Publication date
CH672043B5 (fr) 1990-04-30
EP0327989A1 (fr) 1989-08-16
JP2905856B2 (ja) 1999-06-14
HK142594A (en) 1994-12-23
JPH01243891A (ja) 1989-09-28
DE68900226D1 (de) 1991-10-02
EP0327989B1 (fr) 1991-08-28

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PL Patent ceased