HK90793A - Control apparatus for two bidirectional step motors - Google Patents

Control apparatus for two bidirectional step motors

Info

Publication number
HK90793A
HK90793A HK907/93A HK90793A HK90793A HK 90793 A HK90793 A HK 90793A HK 907/93 A HK907/93 A HK 907/93A HK 90793 A HK90793 A HK 90793A HK 90793 A HK90793 A HK 90793A
Authority
HK
Hong Kong
Prior art keywords
transistors
motors
coil
branches
circuit
Prior art date
Application number
HK907/93A
Other languages
English (en)
Inventor
Rene Besson
Yves Guerin
Original Assignee
Ebauchesfabrik Eta Ag
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 by Ebauchesfabrik Eta Ag filed Critical Ebauchesfabrik Eta Ag
Publication of HK90793A publication Critical patent/HK90793A/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
    • G04C3/146—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor incorporating two or more stepping motors or rotors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Stepping Motors (AREA)
  • Electromechanical Clocks (AREA)
HK907/93A 1983-06-29 1993-09-02 Control apparatus for two bidirectional step motors HK90793A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH354883A CH650125GA3 (xx) 1983-06-29 1983-06-29

Publications (1)

Publication Number Publication Date
HK90793A true HK90793A (en) 1993-09-10

Family

ID=4258357

Family Applications (1)

Application Number Title Priority Date Filing Date
HK907/93A HK90793A (en) 1983-06-29 1993-09-02 Control apparatus for two bidirectional step motors

Country Status (6)

Country Link
US (1) US4558268A (xx)
EP (1) EP0131760B1 (xx)
JP (1) JPS6016193A (xx)
CH (1) CH650125GA3 (xx)
DE (1) DE3473799D1 (xx)
HK (1) HK90793A (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4820963A (en) * 1986-11-19 1989-04-11 Brother Kogyo Kabushiki Kaisha Driving device for step motor
US5673412A (en) 1990-07-13 1997-09-30 Hitachi, Ltd. Disk system and power-on sequence for the same
US5216347A (en) * 1991-03-29 1993-06-01 Sgs-Thomson Microelectronics, Inc. Stepper motor control system
JP2000069796A (ja) * 1998-06-10 2000-03-03 Asmo Co Ltd ステッピングモ―タの駆動回路及びその駆動装置
JP3440938B2 (ja) * 1998-12-14 2003-08-25 セイコーエプソン株式会社 電子機器および電子機器の制御方法
JP3799300B2 (ja) * 2002-06-05 2006-07-19 キヤノン株式会社 ステッピングモータ駆動装置
US6914855B2 (en) * 2002-09-27 2005-07-05 Timex Group B.V. Circuit for driving motor coils in stepping motors
DE102004033399B4 (de) * 2004-07-02 2009-04-02 Visteon Global Technologies, Inc., Dearborn Schaltung zur Ansteuerung mehrerer miteinander gekoppelter Schrittmotoren
JP6071671B2 (ja) * 2013-03-18 2017-02-01 シチズン時計株式会社 電子時計
US11785715B2 (en) 2021-12-17 2023-10-10 Exro Technologies Inc. Article for power inverter and power inverter

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5077812A (xx) * 1973-11-15 1975-06-25
JPS52125712A (en) * 1976-04-13 1977-10-21 Sanyo Electric Co Ltd Control circuit of electric motor
US4055786A (en) * 1976-05-06 1977-10-25 General Electric Company Control system for time sharing multiple stepper motors with a single controller
CH616554B (fr) * 1978-07-11 Ebauches Electroniques Sa Montre electronique a moteur pas a pas equipee d'un systeme d'alarme.
GB2054978B (en) * 1979-07-06 1984-06-13 Ebauches Sa Electromagnetic motor rotatable in either direction
CH632128B (fr) * 1979-09-07 Ebauches Sa Dispositif de commande de deux moteurs pas a pas dans une piece d'horlogerie electronique.
WO1981001205A1 (en) * 1979-10-18 1981-04-30 Portescap Step by step micromotor for a clockwork
EP0030611B1 (de) * 1979-12-12 1985-07-03 Braun Aktiengesellschaft Verfahren und Anordnung zur Steuerung und Regelung eines Motors mit permanentmagnetischem Läufer
JPS5740672A (en) * 1980-08-25 1982-03-06 Seiko Instr & Electronics Ltd Electronic watch
CH647128GA3 (xx) * 1982-02-15 1985-01-15
CH647382GA3 (xx) * 1982-04-21 1985-01-31

Also Published As

Publication number Publication date
CH650125GA3 (xx) 1985-07-15
EP0131760A1 (fr) 1985-01-23
DE3473799D1 (en) 1988-10-13
US4558268A (en) 1985-12-10
JPS6016193A (ja) 1985-01-26
EP0131760B1 (fr) 1988-08-31

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Legal Events

Date Code Title Description
PE Patent expired

Effective date: 20040613

PE Patent expired