179396 ⎘
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 Controlling frequency or amplitude of the oscillating system
Vibrator generator having swing unit, frame and elastic member
#2Vibrator generator having swing unit, frame and elastic member
#3Vibrator generator having swing unit, frame and elastic member
#4Vibration generator having swing unit, frame and elastic member
#5Method for adjusting the mean frequency of a time base incorporated in an electronic watch
#6HAND POSITION IDENTIFICATION DEVICE, TIMEPIECE, AND HAND POSITION IDENTIFICATION METHOD
#7HAND POSITION CONTROL DEVICE, TIMEPIECE, AND HAND POSITION CONTROL METHOD
#8Vibration generator having swing unit, frame and elastic member
#9Vibration motor and portable device
#10Electromechanical timepiece
#11Method for testing the rate of a quartz watch
#12Vibration generator having swing unit, frame and elastic member
#13Mechanical timepiece movement provided with a feedback system for the movement