CPC Subgroup
H04H 20/28 Arrangements for simultaneous broadcast of plural pieces of information
Full Title
Arrangements for broadcast or for distribution combined with broadcast > Arrangements for simultaneous broadcast of plural pieces of information
3 direct subcodes
Child Classifications
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- H04H 20/30 by a single channel
- H04H 20/33 by plural channels
- H04H 20/36 for AM broadcasts