CH885064A4 - Clock, in particular wristwatch, with a tuning fork drive - Google Patents

Clock, in particular wristwatch, with a tuning fork drive

Info

Publication number
CH885064A4
CH885064A4 CH885064D CH885064D CH885064A4 CH 885064 A4 CH885064 A4 CH 885064A4 CH 885064 D CH885064 D CH 885064D CH 885064 D CH885064 D CH 885064D CH 885064 A4 CH885064 A4 CH 885064A4
Authority
CH
Switzerland
Prior art keywords
clock
tuning fork
fork drive
particular wristwatch
wristwatch
Prior art date
Application number
CH885064D
Other languages
German (de)
Inventor
Hirose Masakazu
Iwaki Koichi
Original Assignee
Jeco Kk
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 Jeco Kk filed Critical Jeco Kk
Publication of CH885064A4 publication Critical patent/CH885064A4/en

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
    • G04C3/08—Electromechanical 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
    • G04C3/10—Electromechanical 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 electromagnetic means
    • G04C3/101—Electromechanical 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 electromagnetic means constructional details
    • G04C3/107—Controlling frequency or amplitude of the oscillating system
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B11/00—Click devices; Stop clicks; Clutches
    • G04B11/02—Devices allowing the motion of a rotatable part in only one direction
    • G04B11/04—Pawl constructions therefor, e.g. pawl secured to an oscillating member actuating a ratchet
    • 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
    • G04C3/008—Mounting, assembling of components
    • 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
    • G04C3/08—Electromechanical 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
    • G04C3/10—Electromechanical 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 electromagnetic means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromechanical Clocks (AREA)
CH885064D 1963-07-14 1964-07-06 Clock, in particular wristwatch, with a tuning fork drive CH885064A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP3833963 1963-07-14
JP3833863 1963-07-14
JP9086963 1963-12-05

Publications (1)

Publication Number Publication Date
CH885064A4 true CH885064A4 (en) 1966-06-30

Family

ID=27289793

Family Applications (1)

Application Number Title Priority Date Filing Date
CH885064D CH885064A4 (en) 1963-07-14 1964-07-06 Clock, in particular wristwatch, with a tuning fork drive

Country Status (3)

Country Link
CH (1) CH885064A4 (en)
DE (1) DE1523929B2 (en)
GB (1) GB1033342A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2166739B2 (en) * 1971-06-24 1981-11-05 Kabushiki Kaisha Suwa Seikosha, Tokyo Quartz crystal wrist watch with an electromechanical converter
US4437768A (en) * 1980-04-11 1984-03-20 Citizen Watch Company Limited Movement structure for an electronic timepiece

Also Published As

Publication number Publication date
GB1033342A (en) 1966-06-22
DE1523929A1 (en) 1970-03-05
DE1523929B2 (en) 1972-06-08

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