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
- H04N 7/035 Circuits for the digital non-picture data signal, e.g. for slicing of the data signal, for regeneration of the data-clock signal, for error detection or correction of the data signal