G04C13/0463 - CPC Classification

Driving mechanisms for clocks by master-clocks; Circuit arrangements; Electric clock installations; Master-clocks Arrangements for generating normal driving pulses

• G04C13/0472 » {by starting an independent mechanical driving devices, e.g. motor controlling the contacts} 0
• G04C13/0481 » {by switching on an electromagnetic driving device, e.g. electro-motor, controlling the contacts} 0
• G04C13/049 » {by using current generating driving device} 1