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PCE
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DIFF Subgroup
H04N 21/222

Secondary servers, e.g. proxy server, cable television Head-end

Introduced: January 2011

Title

Titles differ between systems:

IPC: Secondary servers, e.g. proxy server or cable television Head-end

CPC: Secondary servers, e.g. proxy server, cable television Head-end

Full Title

Full titles differ between systems:

IPC:

Selective content distribution, e.g. interactive television or video on demand [VOD] > Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof > Server components or server architectures > Secondary servers, e.g. proxy server or cable television Head-end

CPC:

Selective content distribution, e.g. interactive television or video on demand [VOD] (real-time bi-directional transmission of motion video data H04N7/14 ) > Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof > Server components or server architectures > Secondary servers, e.g. proxy server, cable television Head-end

CPC subdivides this area 3x more granularly than IPC with 2 additional codes.

2 codes are CPC-only extensions.

IPC defines codes here since 2011.

Child Classifications

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