G04C11/00—Synchronisation of independently-driven clocks
G04C11/08—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction
G04C11/085—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-motor
G04C11/088—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-motor acting on the balance
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Supporting Of Heads In Record-Carrier Devices
(AREA)