CH584932B5CH49673ACH49673ACH584932B5CH 584932 B5CH584932 B5CH 584932B5CH 49673 ACH49673 ACH 49673ACH 49673 ACH49673 ACH 49673ACH 584932 B5CH584932 B5CH 584932B5
Authority
CH
Switzerland
Application number
CH49673A
Original Assignee
Suisse Horlogerie
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 Suisse HorlogeriefiledCriticalSuisse Horlogerie
Priority to CH49673DpriorityCriticalpatent/CH49673A4/xx
Priority to CH49673Aprioritypatent/CH584932B5/xx
Publication of CH584932B5publicationCriticalpatent/CH584932B5/xx
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