Speed or phase control by synchronisation signals

Introduced: September 1968

Full Title

Arrangements for synchronising receiver with transmitter > Speed or phase control by synchronisation signals

Of 5 combined children, 3 exist in both systems.

2 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

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H04L 7/041 +6 CPC CPC only CPC only
H04L 7/048 CPC only CPC only
H04L 7/06 the synchronisation signals differing from the information signals in amplitude, polarity or frequency +1 CPC IPC+CPC Available in IPC and CPC
H04L 7/08 the synchronisation signals recurring cyclically IPC+CPC Available in IPC and CPC
H04L 7/10 Arrangements for initial synchronisation IPC+CPC Available in IPC and CPC

Class H04,2013–2023, worldwide · Source: EPO PATSTAT

Class H04,2013–2023, worldwide · Source: EPO PATSTAT