BE711629A - - Google Patents

Info

Publication number
BE711629A
BE711629A BE711629DA BE711629A BE 711629 A BE711629 A BE 711629A BE 711629D A BE711629D A BE 711629DA BE 711629 A BE711629 A BE 711629A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE711629A publication Critical patent/BE711629A/xx

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
    • G04C3/10Electromechanical 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
    • G04C3/101Electromechanical 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
    • G04C3/107Controlling frequency or amplitude of the oscillating system
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00Mechanisms for stabilising frequency
    • G04B17/20Compensation of mechanisms for stabilising frequency
    • 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
    • G04C3/10Electromechanical 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
    • G04C3/101Electromechanical 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
    • G04C3/102Electromechanical 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 of the mechanical oscillator or of the coil

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
BE711629D 1967-03-31 1968-03-04 BE711629A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH457567A CH469299A (fr) 1967-03-31 1967-03-31 Résonateur mécanique pour pièce d'horlogerie

Publications (1)

Publication Number Publication Date
BE711629A true BE711629A (en:Method) 1968-09-04

Family

ID=4278644

Family Applications (1)

Application Number Title Priority Date Filing Date
BE711629D BE711629A (en:Method) 1967-03-31 1968-03-04

Country Status (9)

Country Link
US (1) US3486049A (en:Method)
AT (1) AT278665B (en:Method)
BE (1) BE711629A (en:Method)
CH (1) CH469299A (en:Method)
DE (1) DE1673635A1 (en:Method)
FR (1) FR1559271A (en:Method)
GB (1) GB1163706A (en:Method)
NL (1) NL6803274A (en:Method)
SE (1) SE345754B (en:Method)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH247769A4 (en:Method) * 1969-02-19 1971-12-15
CH713150A2 (fr) * 2016-11-23 2018-05-31 Eta Sa Mft Horlogere Suisse Mécanisme régulateur à résonateur rotatif à guidage flexible entretenu par un échappement libre à ancre.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA741517A (en) * 1966-08-30 Ishikawa Kazuo Added mass type circular tuning fork
NL283314A (en:Method) * 1961-09-18
CH406984A (de) * 1964-01-20 1965-09-15 Centre Electron Horloger Mechanischer Resonator für Normalfrequenzoszillatoren in Zeitmessgeräten
CH196664A4 (en:Method) * 1964-02-18 1965-11-30
CH421827A (de) * 1964-07-31 1967-04-15 Centre Electron Horloger Mechanischer Resonator für Normalfrequenzoszillatoren in Zeitmessgeräten

Also Published As

Publication number Publication date
DE1673635A1 (de) 1972-02-10
NL6803274A (en:Method) 1968-10-01
CH469299A (fr) 1969-04-15
US3486049A (en) 1969-12-23
FR1559271A (en:Method) 1969-03-07
GB1163706A (en) 1969-09-10
SE345754B (en:Method) 1972-06-05
AT278665B (de) 1970-02-10

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