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 David Perret ColonelfiledCriticalDavid Perret Colonel
Publication of CH29832ApublicationCriticalpatent/CH29832A/fr
G04C13/00—Driving mechanisms for clocks by primary clocks
G04C13/02—Circuit arrangements; Electric clock installations
G04C13/04—Primary clocks
G04C13/0463—Arrangements for generating normal driving pulses
G04C13/0481—Arrangements for generating normal driving pulses by switching on an electromagnetic driving device, e.g. electro-motor, controlling the contacts
Landscapes
Physics & Mathematics
(AREA)
Electromagnetism
(AREA)
General Physics & Mathematics
(AREA)
CH29832A1903-08-111903-08-11Installation électrique pour la transmission de l'heure
CH29832A
(fr)