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IPC Subgroup
H04N 1/403

Discrimination between the two tones in the picture signal of a two-tone original

Introduced: January 1995

Last revised: January 2006

Full Title

Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof > Picture signal circuits > Discrimination between the two tones in the picture signal of a two-tone original

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC COMMUNICATION TECHNIQUE
Subclass:
PICTORIAL COMMUNICATION, e.g. TELEVISION