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Publication of CH583768A4publicationCriticalpatent/CH583768A4/xx
G04C13/10—Secondary clocks actuated intermittently by electromechanical step advancing mechanisms
G04C13/11—Secondary clocks actuated intermittently by electromechanical step advancing mechanisms with rotating armature
H—ELECTRICITY
H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02K—DYNAMO-ELECTRIC MACHINES
H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures