IPC Subgroup
H04H 20/34 using an out-of-band subcarrier signal
Introduced: January 2008
Full Title
Arrangements for broadcast or for distribution combined with broadcast > Arrangements for simultaneous broadcast of plural pieces of information > by plural channels > using an out-of-band subcarrier signal
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- BROADCAST COMMUNICATION