IPC Subgroup
H04H 20/3 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
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- BROADCAST COMMUNICATION
1 direct subcode
Child Classifications
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- H04H 20/31 using in-band signals, e.g. subsonic or cue signal