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Application filed by App Electr Soc DfiledCriticalApp Electr Soc D
Publication of CH664ApublicationCriticalpatent/CH664A/fr
G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
G04C3/02—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 pendulum
G—PHYSICS
G04—HOROLOGY
G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
G04B17/00—Mechanisms for stabilising frequency
G04B17/02—Oscillators acting by gravity, e.g. pendulum swinging in a plane
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
CH664A1889-03-041889-03-04Appareil pour arrêter un système de pendules en cas de mauvais fonctionnement et annoncer cet arrêt
CH664A
(fr)