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CPC Subgroup
H04N 7/025

Systems for the transmission of digital non-picture data, e.g. of text during the active part of a television frame

Full Title

Television systems (details H04N3/00, H04N5/00; methods or arrangements, for coding, decoding, compressing or decompressing digital video signals H04N19/00; selective content distribution H04N21/00) > Systems for the transmission of digital non-picture data, e.g. of text during the active part of a television frame

3 direct subcodes

Child Classifications

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  • H04N 7/03 Subscription systems therefor