Synchronisation of independently-driven clocks

Introduced: September 1968

CPC subdivides this area 2x more granularly than IPC with 4 additional codes.

4 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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G04C 11/002 CPC only CPC only
G04C 11/005 CPC only CPC only
G04C 11/007 CPC only CPC only
G04C 11/02 +2 CPC CPC only CPC only
G04C 11/04 over a line +2 CPC IPC+CPC Available in IPC and CPC
G04C 11/06 with direct mechanical action on the time-indicating means since 1980 IPC+CPC Available in IPC and CPC
G04C 11/08 using an electro-magnet or-motor since 1980 +2 CPC IPC+CPC Available in IPC and CPC