G04C13/02 - CPC Classification Index

ClassID:

179435 ⎘

G04C13/02 - CPC Classification

Classification description:

Driving mechanisms for clocks by master-clocks Circuit arrangements; Electric clock installations

Sub-classes:

G04C13/021 » {master-slave systems using transmission of singular pulses for driving directly slave-clocks step by step } 1
G04C13/027 » {master-slave systems using transmission of other driving signals, e.g. coded signals} 2
G04C13/028 » {transmission systems for synchronisation of pendulum of slave-clocks by pendulums of master-clocks} 1
G04C13/03 » Pulse transmission systems with additional means for setting the time indication of slave-clocks 2
G04C13/04 » Master-clocks 0

Recent Application in this class:

20170329283

Digital-to-digital correction unit for analog clock display

20100322267

Time synchronization system and time synchronization method in train

20090131762

Medical device synchronization system for use in cardiac and other patient monitoring

20070291592

Street clock