IPC Subgroup
H04N 7/025 Systems for transmission of digital non-picture data, e.g. of text during the active part of a television frame
Introduced: January 1995
Last revised: January 2006
Full Title
Television systems > Systems for transmission of digital non-picture data, e.g. of text during the active part of a television frame
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- PICTORIAL COMMUNICATION, e.g. TELEVISION
2 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