CH548638A - - Google Patents

Info

Publication number
CH548638A
CH548638A CH1518771A CH1518771A CH548638A CH 548638 A CH548638 A CH 548638A CH 1518771 A CH1518771 A CH 1518771A CH 1518771 A CH1518771 A CH 1518771A CH 548638 A CH548638 A CH 548638A
Authority
CH
Switzerland
Prior art keywords
tuning fork
branches
magnetic material
piece
magnetic
Prior art date
Application number
CH1518771A
Other languages
English (en)
French (fr)
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 CH548638A publication Critical patent/CH548638A/fr

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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
CH1518771A 1970-10-19 1971-10-19 CH548638A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9150870 1970-10-19

Publications (1)

Publication Number Publication Date
CH548638A true CH548638A (ja) 1974-04-30

Family

ID=14028336

Family Applications (2)

Application Number Title Priority Date Filing Date
CH1518771A CH548638A (ja) 1970-10-19 1971-10-19
CH1518771D CH1518771A4 (ja) 1970-10-19 1971-10-19

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH1518771D CH1518771A4 (ja) 1970-10-19 1971-10-19

Country Status (1)

Country Link
CH (2) CH548638A (ja)

Also Published As

Publication number Publication date
CH1518771A4 (ja) 1973-11-15

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