IPC Subgroup
H04B 14/08 characterised by the use of a sub-carrier
Introduced: January 1985
Last revised: January 2006
Full Title
Transmission systems not characterised by the medium used for transmission > characterised by the use of a sub-carrier
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- TRANSMISSION