超小型アナログ水晶時計の開発 : 婦人用水晶時計キャリバー47について A Lady's Dress Watch with a Quartz Oscillator

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抄録

This paper relates to a lady's dress watch (caliber 47) in the analog display type with the quartz oscillator of which movement is the smallest one at present among the same kind of watches and is of nearly the same size as that of the usual 1 lady's mechanical dress watches. The movement has a casing diameter of 15.3 mm, a width of 13.6 mm in 3-9 H direction and a height of 3.8 mm. This paper describes the various techniques and consideration which have been applied to caliber 47 for the purpose of the improvement of the reliability and the minimization of the size, viz., the design of the micro quartz oscillator, the reduction of the power consumption of the oscillator circuit, the resitance for the external magnetic field on the open type stepping motor and the optimum condition for the stepping interval of the motor.

収録刊行物

  • 日本時計学会誌

    日本時計学会誌 80(0), 1-13, 1977

    一般社団法人 日本時計学会

各種コード

  • NII論文ID(NAID)
    110002777543
  • NII書誌ID(NCID)
    AN00195723
  • 本文言語コード
    JPN
  • ISSN
    00290416
  • NDL 記事登録ID
    1817608
  • NDL 刊行物分類
    M061(測定・測定器)
  • NDL 雑誌分類
    ZN12(科学技術--機械工学・工業--精密機械)
  • NDL 請求記号
    Z16-440
  • データ提供元
    NDL  NII-ELS  J-STAGE 
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