JPS6261910B2 - - Google Patents

Info

Publication number
JPS6261910B2
JPS6261910B2 JP4218078A JP4218078A JPS6261910B2 JP S6261910 B2 JPS6261910 B2 JP S6261910B2 JP 4218078 A JP4218078 A JP 4218078A JP 4218078 A JP4218078 A JP 4218078A JP S6261910 B2 JPS6261910 B2 JP S6261910B2
Authority
JP
Japan
Prior art keywords
drive
rotor
coil
potential
circuit
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
JP4218078A
Other languages
English (en)
Japanese (ja)
Other versions
JPS54134667A (en
Inventor
Yoshiaki Kato
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.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch Co Ltd
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 Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Priority to JP4218078A priority Critical patent/JPS54134667A/ja
Publication of JPS54134667A publication Critical patent/JPS54134667A/ja
Publication of JPS6261910B2 publication Critical patent/JPS6261910B2/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)
JP4218078A 1978-04-12 1978-04-12 Drive control system of pulse motor for watch Granted JPS54134667A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4218078A JPS54134667A (en) 1978-04-12 1978-04-12 Drive control system of pulse motor for watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4218078A JPS54134667A (en) 1978-04-12 1978-04-12 Drive control system of pulse motor for watch

Publications (2)

Publication Number Publication Date
JPS54134667A JPS54134667A (en) 1979-10-19
JPS6261910B2 true JPS6261910B2 (enrdf_load_stackoverflow) 1987-12-23

Family

ID=12628781

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4218078A Granted JPS54134667A (en) 1978-04-12 1978-04-12 Drive control system of pulse motor for watch

Country Status (1)

Country Link
JP (1) JPS54134667A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993019404A1 (en) * 1992-03-18 1993-09-30 Citizen Watch Co., Ltd. Electronic machine with vibratory alarm
JP2000139098A (ja) * 1992-03-18 2000-05-16 Citizen Watch Co Ltd 電子機器

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6150788A (en) * 1999-02-16 2000-11-21 Seiberco Incorporated Load torque detection and drive current optimization determination met

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993019404A1 (en) * 1992-03-18 1993-09-30 Citizen Watch Co., Ltd. Electronic machine with vibratory alarm
JP2000139098A (ja) * 1992-03-18 2000-05-16 Citizen Watch Co Ltd 電子機器

Also Published As

Publication number Publication date
JPS54134667A (en) 1979-10-19

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