CH400917A - Electric timepiece - Google Patents

Electric timepiece

Info

Publication number
CH400917A
CH400917A CH194162A CH194162A CH400917A CH 400917 A CH400917 A CH 400917A CH 194162 A CH194162 A CH 194162A CH 194162 A CH194162 A CH 194162A CH 400917 A CH400917 A CH 400917A
Authority
CH
Switzerland
Prior art keywords
electric timepiece
timepiece
electric
Prior art date
Application number
CH194162A
Other languages
French (fr)
Inventor
Kodaira Kozo
Yamai Keikichi
Kawamura Yasukazu
Original Assignee
Suwa Seikosha Kk
Seiko Instr & Electronics
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 Suwa Seikosha Kk, Seiko Instr & Electronics filed Critical Suwa Seikosha Kk
Publication of CH400917A publication Critical patent/CH400917A/en

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/08Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
    • G04C3/12Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by piezoelectric means; driven by magneto-strictive means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
CH194162A 1961-02-16 1962-02-15 Electric timepiece CH400917A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP716361 1961-02-16
JP532361 1961-02-18

Publications (1)

Publication Number Publication Date
CH400917A true CH400917A (en) 1965-06-30

Family

ID=26339246

Family Applications (1)

Application Number Title Priority Date Filing Date
CH194162A CH400917A (en) 1961-02-16 1962-02-15 Electric timepiece

Country Status (3)

Country Link
CH (1) CH400917A (en)
DE (1) DE1523943A1 (en)
GB (1) GB993140A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3462939A (en) * 1965-02-12 1969-08-26 Tokei Kk Mechanical vibrator for timepiece
US3512352A (en) * 1967-04-12 1970-05-19 Seiko Instr & Electronics Frequency regulator and method for regulating frequency of electric timepieces
DE2035587A1 (en) * 1970-07-17 1972-01-20 Siemens Ag Uhrantneb with piezoelectric tuning fork

Also Published As

Publication number Publication date
GB993140A (en) 1965-05-26
DE1523943A1 (en) 1969-12-11

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