GB2058414B - Apparatus for controlling stepping motors in electronic time pieces - Google Patents

Apparatus for controlling stepping motors in electronic time pieces

Info

Publication number
GB2058414B
GB2058414B GB8028202A GB8028202A GB2058414B GB 2058414 B GB2058414 B GB 2058414B GB 8028202 A GB8028202 A GB 8028202A GB 8028202 A GB8028202 A GB 8028202A GB 2058414 B GB2058414 B GB 2058414B
Authority
GB
United Kingdom
Prior art keywords
transistors
motor
motors
pairs
electronic time
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
Application number
GB8028202A
Other languages
English (en)
Other versions
GB2058414A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ebauches SA
Original Assignee
Ebauches SA
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 Ebauches SA filed Critical Ebauches SA
Publication of GB2058414A publication Critical patent/GB2058414A/en
Application granted granted Critical
Publication of GB2058414B publication Critical patent/GB2058414B/en
Expired legal-status Critical Current

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)
GB8028202A 1979-09-07 1980-09-01 Apparatus for controlling stepping motors in electronic time pieces Expired GB2058414B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH809979A CH632128B (fr) 1979-09-07 1979-09-07 Dispositif de commande de deux moteurs pas a pas dans une piece d'horlogerie electronique.

Publications (2)

Publication Number Publication Date
GB2058414A GB2058414A (en) 1981-04-08
GB2058414B true GB2058414B (en) 1983-04-13

Family

ID=4335141

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8028202A Expired GB2058414B (en) 1979-09-07 1980-09-01 Apparatus for controlling stepping motors in electronic time pieces

Country Status (5)

Country Link
JP (1) JPS5646697A (cg-RX-API-DMAC7.html)
CH (1) CH632128B (cg-RX-API-DMAC7.html)
DE (1) DE3032838A1 (cg-RX-API-DMAC7.html)
FR (1) FR2465358A1 (cg-RX-API-DMAC7.html)
GB (1) GB2058414B (cg-RX-API-DMAC7.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0048217A1 (fr) * 1980-09-12 1982-03-24 Compagnie des Montres Longines, Francillon S.A. Pièce d'horlogerie électronique
JPS592593A (ja) * 1982-06-25 1984-01-09 Sony Corp 複数モ−タの正逆転回路
CH650125GA3 (cg-RX-API-DMAC7.html) * 1983-06-29 1985-07-15
US6327225B1 (en) * 1998-12-14 2001-12-04 Seiko Epson Corporation Electronic unit, and control method for electronic unit
DE10007201A1 (de) 2000-02-17 2001-08-23 Zeiss Carl Jena Gmbh Verfahren zur Synchronsteuerung mehrerer Schrittmotoren
US6914855B2 (en) * 2002-09-27 2005-07-05 Timex Group B.V. Circuit for driving motor coils in stepping motors
CN102263535A (zh) * 2010-05-28 2011-11-30 飞思卡尔半导体公司 步进电机控制器以及控制步进电机的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1451359A (en) * 1973-11-30 1976-09-29 Citizen Watch Co Ltd Pulse motor driven circuit
JPS52125712A (en) * 1976-04-13 1977-10-21 Sanyo Electric Co Ltd Control circuit of electric motor
CH613837B (fr) * 1977-06-14 Suisse Horlogerie Montre electronique a affichage mecanique.
SE7807961L (sv) * 1977-07-20 1979-01-21 Janome Sewing Machine Co Ltd Drivanordning for symaskinspulsmotor

Also Published As

Publication number Publication date
CH632128B (fr)
DE3032838A1 (de) 1981-04-02
CH632128GA3 (cg-RX-API-DMAC7.html) 1982-09-30
GB2058414A (en) 1981-04-08
FR2465358B1 (cg-RX-API-DMAC7.html) 1982-12-10
JPS5646697A (en) 1981-04-27
FR2465358A1 (fr) 1981-03-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee