CH519190A - Oscillateur électromécanique pour appareil horaire
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Oscillateur électromécanique pour appareil horaire
Info
Publication number
CH519190A
CH519190ACH947769ACH947769ACH519190ACH 519190 ACH519190 ACH 519190ACH 947769 ACH947769 ACH 947769ACH 947769 ACH947769 ACH 947769ACH 519190 ACH519190 ACH 519190A
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 Horstmann Magnetics LtdfiledCriticalHorstmann Magnetics Ltd
Priority to CH947769ApriorityCriticalpatent/CH519190A/fr
Priority to CH947769Dprioritypatent/CH947769A4/xx
Publication of CH519190ApublicationCriticalpatent/CH519190A/fr
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
G04C3/108—Driving circuits
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Physics & Mathematics
(AREA)
Electromagnetism
(AREA)
General Physics & Mathematics
(AREA)
Apparatuses For Generation Of Mechanical Vibrations
(AREA)
CH947769A1969-06-201969-06-20Oscillateur électromécanique pour appareil horaire
CH519190A
(fr)