IPC Subgroup
H04N 7/081 the additional information signals being transmitted by means of a subcarrier
Introduced: January 1995
Last revised: January 2006
Full Title
Television systems > Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band > the additional information signals being transmitted by means of a subcarrier
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- PICTORIAL COMMUNICATION, e.g. TELEVISION