JPH0127680B2 - - Google Patents

Info

Publication number
JPH0127680B2
JPH0127680B2 JP55179504A JP17950480A JPH0127680B2 JP H0127680 B2 JPH0127680 B2 JP H0127680B2 JP 55179504 A JP55179504 A JP 55179504A JP 17950480 A JP17950480 A JP 17950480A JP H0127680 B2 JPH0127680 B2 JP H0127680B2
Authority
JP
Japan
Prior art keywords
rotor
pulse
drive
circuit
detection
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
JP55179504A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57106397A (en
Inventor
Jun Ueda
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP55179504A priority Critical patent/JPS57106397A/ja
Priority to US06/327,234 priority patent/US4518906A/en
Priority to GB8136629A priority patent/GB2090086B/en
Priority to CH8131/81A priority patent/CH644488B/fr
Publication of JPS57106397A publication Critical patent/JPS57106397A/ja
Publication of JPH0127680B2 publication Critical patent/JPH0127680B2/ja
Granted 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
    • G04C3/143—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 rotating step by step
    • H02P8/34—Monitoring operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Stepping Motors (AREA)
  • Electromechanical Clocks (AREA)
  • Valve Device For Special Equipments (AREA)
JP55179504A 1980-12-18 1980-12-18 Driving device for stepping motor Granted JPS57106397A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP55179504A JPS57106397A (en) 1980-12-18 1980-12-18 Driving device for stepping motor
US06/327,234 US4518906A (en) 1980-12-18 1981-12-03 Driving device of stepping motor
GB8136629A GB2090086B (en) 1980-12-18 1981-12-04 A driving device for a stepping motor
CH8131/81A CH644488B (fr) 1980-12-18 1981-12-18 Dispositif de commande d'un moteur pas a pas.

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
JPS57106397A JPS57106397A (en) 1982-07-02
JPH0127680B2 true JPH0127680B2 (en, 2012) 1989-05-30

Family

ID=16066964

Family Applications (1)

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

Country Status (4)

Country Link
US (1) US4518906A (en, 2012)
JP (1) JPS57106397A (en, 2012)
CH (1) CH644488B (en, 2012)
GB (1) GB2090086B (en, 2012)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH653850GA3 (en, 2012) * 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
GB2090086B (en) 1984-04-18
CH644488GA3 (en, 2012) 1984-08-15
US4518906A (en) 1985-05-21
CH644488B (fr)
GB2090086A (en) 1982-06-30
JPS57106397A (en) 1982-07-02

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