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PCE
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DIFF Subgroup
H04H 20/30

by a single channel

Introduced: January 2008

Full Title

Arrangements for broadcast or for distribution combined with broadcast > Arrangements for simultaneous broadcast of plural pieces of information > by a single channel

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 2008.

Child Classifications

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  • H04H 20/31 using in-band signals, e.g. subsonic or cue signal since 2008 IPC+CPC Available in IPC and CPC