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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