JPS5413379A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
JPS5413379A
JPS5413379A JP7858477A JP7858477A JPS5413379A JP S5413379 A JPS5413379 A JP S5413379A JP 7858477 A JP7858477 A JP 7858477A JP 7858477 A JP7858477 A JP 7858477A JP S5413379 A JPS5413379 A JP S5413379A
Authority
JP
Japan
Prior art keywords
electronic watch
resistance
circuit
fluctuations
eliminate
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
JP7858477A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6115383B2 (enrdf_load_stackoverflow
Inventor
Masaharu Shida
Akira Torisawa
Katsuhiko Sato
Jun Ueda
Masaaki Bandai
Kazuhiro Asano
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 JP7858477A priority Critical patent/JPS5413379A/ja
Publication of JPS5413379A publication Critical patent/JPS5413379A/ja
Publication of JPS6115383B2 publication Critical patent/JPS6115383B2/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)
JP7858477A 1977-07-01 1977-07-01 Electronic watch Granted JPS5413379A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7858477A JPS5413379A (en) 1977-07-01 1977-07-01 Electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7858477A JPS5413379A (en) 1977-07-01 1977-07-01 Electronic watch

Publications (2)

Publication Number Publication Date
JPS5413379A true JPS5413379A (en) 1979-01-31
JPS6115383B2 JPS6115383B2 (enrdf_load_stackoverflow) 1986-04-23

Family

ID=13665949

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7858477A Granted JPS5413379A (en) 1977-07-01 1977-07-01 Electronic watch

Country Status (1)

Country Link
JP (1) JPS5413379A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5697553A (en) * 1980-01-09 1981-08-06 Satake Eng Co Ltd Method and device for grinding beans
JPS57106397A (en) * 1980-12-18 1982-07-02 Seiko Instr & Electronics Ltd Driving device for stepping motor
JPS62159636A (ja) * 1985-12-28 1987-07-15 株式会社トプコン 検眼装置
JPS62160097A (ja) * 1986-01-06 1987-07-16 Toshiro Higuchi ステツプモ−タ

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5697553A (en) * 1980-01-09 1981-08-06 Satake Eng Co Ltd Method and device for grinding beans
JPS57106397A (en) * 1980-12-18 1982-07-02 Seiko Instr & Electronics Ltd Driving device for stepping motor
JPS62159636A (ja) * 1985-12-28 1987-07-15 株式会社トプコン 検眼装置
JPS62160097A (ja) * 1986-01-06 1987-07-16 Toshiro Higuchi ステツプモ−タ

Also Published As

Publication number Publication date
JPS6115383B2 (enrdf_load_stackoverflow) 1986-04-23

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