JPS55101072A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
JPS55101072A
JPS55101072A JP17307779A JP17307779A JPS55101072A JP S55101072 A JPS55101072 A JP S55101072A JP 17307779 A JP17307779 A JP 17307779A JP 17307779 A JP17307779 A JP 17307779A JP S55101072 A JPS55101072 A JP S55101072A
Authority
JP
Japan
Prior art keywords
pulse
rotor
step motor
reversing
reverse
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.)
Granted
Application number
JP17307779A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6257956B2 (enExample
Inventor
Hisafumi Kashimura
Joichi Miyazaki
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 JP17307779A priority Critical patent/JPS55101072A/ja
Publication of JPS55101072A publication Critical patent/JPS55101072A/ja
Publication of JPS6257956B2 publication Critical patent/JPS6257956B2/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)
JP17307779A 1979-12-27 1979-12-27 Electronic watch Granted JPS55101072A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17307779A JPS55101072A (en) 1979-12-27 1979-12-27 Electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17307779A JPS55101072A (en) 1979-12-27 1979-12-27 Electronic watch

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2765775A Division JPS51101577A (ja) 1975-03-04 1975-03-04 Denshidokeisochinoshuseisochi

Publications (2)

Publication Number Publication Date
JPS55101072A true JPS55101072A (en) 1980-08-01
JPS6257956B2 JPS6257956B2 (enExample) 1987-12-03

Family

ID=15953773

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17307779A Granted JPS55101072A (en) 1979-12-27 1979-12-27 Electronic watch

Country Status (1)

Country Link
JP (1) JPS55101072A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0389900A (ja) * 1989-08-31 1991-04-15 Seikosha Co Ltd 正逆回転パルスモータ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0389900A (ja) * 1989-08-31 1991-04-15 Seikosha Co Ltd 正逆回転パルスモータ

Also Published As

Publication number Publication date
JPS6257956B2 (enExample) 1987-12-03

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