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

Introduced: January 1995

Title

Titles differ between systems:

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

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

Full Title

Full titles differ between systems:

IPC:

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

CPC:

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

Of 3 combined children, 2 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 1995.

Child Classifications

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H04N 7/0255 CPC only CPC only
H04N 7/03 Subscription systems therefor since 1995 IPC+CPC Available in IPC and CPC
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 since 1995 +3 CPC IPC+CPC Available in IPC and CPC