FR1172522A - Perfectionnements aux horloges électriques - Google Patents

Perfectionnements aux horloges électriques

Info

Publication number
FR1172522A
FR1172522A FR1172522DA FR1172522A FR 1172522 A FR1172522 A FR 1172522A FR 1172522D A FR1172522D A FR 1172522DA FR 1172522 A FR1172522 A FR 1172522A
Authority
FR
France
Prior art keywords
electric clocks
clocks
electric
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.)
Expired
Application number
Other languages
English (en)
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.)
Bulova Watch Co Inc
Original Assignee
Bulova Watch Co 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 Bulova Watch Co Inc filed Critical Bulova Watch Co Inc
Application granted granted Critical
Publication of FR1172522A publication Critical patent/FR1172522A/fr
Expired 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
    • G04C3/08—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
    • 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
    • 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
    • G04C3/102—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 of the mechanical oscillator or of the coil
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
FR1172522D 1955-03-11 1956-03-12 Perfectionnements aux horloges électriques Expired FR1172522A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH830518X 1955-03-11

Publications (1)

Publication Number Publication Date
FR1172522A true FR1172522A (fr) 1959-02-11

Family

ID=4540267

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1172522D Expired FR1172522A (fr) 1955-03-11 1956-03-12 Perfectionnements aux horloges électriques

Country Status (6)

Country Link
CA (1) CA578729A (fr)
CH (1) CH336025A (fr)
DE (1) DE1038487B (fr)
FR (1) FR1172522A (fr)
GB (1) GB830518A (fr)
IT (1) IT550130A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH447956A (fr) * 1965-11-30 1967-05-31 Centre Electron Horloger Dispositif de protection contre les chocs d'un résonateur mécanique pour pièce d'horlogerie électro-mécanique

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1911062A (en) * 1927-03-17 1933-05-23 Conrad Frank Electric clock
DE696032C (fr) * 1931-11-21 1940-09-09 Georg Heinrich Schieferstein
US2260847A (en) * 1938-05-27 1941-10-28 Warren Telechron Co Vibratory frequency standard
CH213932A (de) * 1939-09-18 1941-03-31 Russenberger Max Mechanischer Schwinger mit Steuervorrichtung zur Begrenzung eines Parameters der Schwingung.
FR972360A (fr) * 1941-02-14 1951-01-29 Hatot Leon Ets Horloges électromagnétiques perfectionnées
FR1090564A (fr) * 1953-09-17 1955-03-31 Hatot Leon Ets Perfectionnements apportés aux mécanismes horaires et aux appareils analogues

Also Published As

Publication number Publication date
CH336025A (de) 1959-01-31
DE1038487B (de) 1958-09-04
IT550130A (fr)
CA578729A (fr) 1959-06-30
GB830518A (en) 1960-03-16

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