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US3797224A
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Compensation of the thermal frequency drift of a mechanical oscillator for timekeeping
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GB1316877A
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Rotary mechanical oscillator particularly for use in a timepiece
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US3628326A
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Automatically winding watch
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DE1954607A1
|
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Correction device for a date display equipped with a fuse in clockworks
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US3611706A
|
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Calendar watch
|
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GB1197015A
|
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A Rotary Mechanical Oscillator particularly for use in a Timepiece
|
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US3492810A
|
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Timepiece case with movement-securing shock-absorbing means
|
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DE1523907A1
|
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Device for stabilizing the frequency of a mechanical oscillator for timing devices
|
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US3351788A
|
|
Apparatus for mechanically converting the oscillating movement of an electro-mechanical oscillator
|
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US3308313A
|
|
Torsion oscillator
|
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DE1258803B
|
|
Torsional oscillator for watches
|
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US3248868A
|
|
Setting means for a date timepiece
|
|
DE1231630B
|
|
Clock with date display
|
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GB1024995A
|
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Oscillator for electronic clocks
|
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DE1267619B
|
|
Torsional oscillator for electronic clocks
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GB1028335A
|
|
Improvements in and relating to electric motors
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DE1263914B
|
|
Electric motor, in particular DC motor
|
|
GB1011550A
|
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Improvements in electronic means for stablising the speed of a time-piece motor
|
|
DE1254744B
|
|
Circuit arrangement for stabilizing the speed of an electric motor
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DE1673740A1
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Vibration system, especially for an electric timepiece
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