CH644488B - Dispositif de commande d'un moteur pas a pas. - Google Patents

Dispositif de commande d'un moteur pas a pas.

Info

Publication number
CH644488B
CH644488B CH8131/81A CH813181A CH644488B CH 644488 B CH644488 B CH 644488B CH 8131/81 A CH8131/81 A CH 8131/81A CH 813181 A CH813181 A CH 813181A CH 644488 B CH644488 B CH 644488B
Authority
CH
Switzerland
Prior art keywords
driving
pulse
driving pulse
control device
rotor
Prior art date
Application number
CH8131/81A
Other languages
English (en)
Other versions
CH644488GA3 (fr
Inventor
Ueda Makoto
Original Assignee
Seiko Instr & Electronics
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 of CH644488B publication Critical patent/CH644488B/fr
Application filed by Seiko Instr & Electronics filed Critical Seiko Instr & Electronics
Publication of CH644488GA3 publication Critical patent/CH644488GA3/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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P8/00—Arrangements for controlling dynamo-electric motors of the kind having motors rotating step by step
    • H02P8/34—Monitoring operation
CH8131/81A 1980-12-18 1981-12-18 Dispositif de commande d'un moteur pas a pas. CH644488B (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55179504A JPS57106397A (en) 1980-12-18 1980-12-18 Driving device for stepping motor

Publications (2)

Publication Number Publication Date
CH644488B true CH644488B (fr)
CH644488GA3 CH644488GA3 (fr) 1984-08-15

Family

ID=16066964

Family Applications (1)

Application Number Title Priority Date Filing Date
CH8131/81A CH644488B (fr) 1980-12-18 1981-12-18 Dispositif de commande d'un moteur pas a pas.

Country Status (4)

Country Link
US (1) US4518906A (fr)
JP (1) JPS57106397A (fr)
CH (1) CH644488B (fr)
GB (1) GB2090086B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH653850GA3 (fr) * 1983-08-12 1986-01-31
DE3519008C1 (de) * 1985-05-25 1986-10-09 Pforzheimer Uhren-Rohwerke Porta GmbH, 7530 Pforzheim Schrittmotor-Antriebsschaltung
EP0982846B1 (fr) * 1998-08-25 2011-10-19 ETA SA Manufacture Horlogère Suisse Procédé et dispositif de commande d'un moteur pas à pas

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4219999A (en) * 1977-03-03 1980-09-02 Citizen Watch Company, Limited Electronic timepiece equipped with battery life display
JPS5413379A (en) * 1977-07-01 1979-01-31 Seiko Instr & Electronics Ltd Electronic watch
JPS5477169A (en) * 1977-12-02 1979-06-20 Seiko Instr & Electronics Ltd Electronic watch
US4283783A (en) * 1978-11-28 1981-08-11 Citizen Watch Company Limited Drive control system for stepping motor
US4321521A (en) * 1978-12-25 1982-03-23 Kabushiki Kaisha Daini Seikosha Detection device of electronic timepiece

Also Published As

Publication number Publication date
CH644488GA3 (fr) 1984-08-15
GB2090086B (en) 1984-04-18
GB2090086A (en) 1982-06-30
JPS57106397A (en) 1982-07-02
JPH0127680B2 (fr) 1989-05-30
US4518906A (en) 1985-05-21

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